Kt120 Tube

With two high quality broadband EI output transformer, special power transformer 5. TOROIDALTRANSFORMER. Power Tubes - 6550 / KT88 / KT120 / KT150 Tube Basics and FAQ. Find many great new & used options and get the best deals for Musical Paradise Mp-501 V4 Kt120 Kt150 Tube Amplifier at the best online prices at eBay! Free shipping for many products!. If you want to feel the real power of Rock, Pop or Orchestra, Auris Fortissimo is your weapon. This driver is specifically optimized for the high current KT120 tube, but also yields superior results with the venerable 6550/KT88 tube. Tubes: KT120. 24k gold plated top rank shuguang electron vacuum tube 12au7 12au7-t: SG-6DJ8 Shuguang 6DJ8 ( Replacing ECC82/6922/6N11 ) SG-KT120 Shuguang KT120 tube(replacing KT88) SG-350C Shuguang 350C (replacing 5881A 6L6 series) new vacuum tube: SG- KT88-Z Shuguang Treasure Series Vacuum Tubes KT88-Z new: SG-KT66-Z Shuguang Treasure Series Vacuum Tubes. Datasheet search engine for Electronic Components and Semiconductors. But a much lower mu input tube can be used, such as the 12AY7 or 12AT7 or, even, a 6N1P. In a relatively short period of time, both Conrad Johnson and ARC have abandoned the 6550 in favor of the new KT-120. These are burned in for 24 hours and then factory matched at real world voltages. Shop our great selection of KT88, 6550, KT90, KT120, KT150, vacuum tubes now. KT120 - In the spirit of Tung-Sol’s creation of the 5881 and 6550 power tubes, New Sensor Corporation released the KT120 under its Tung-Sol label in 2010. Even bigger than KT120: EL509: Switching tube for TV deflection, generally referred to as Sweep tube. I'm having a hard time sourcing the cylinder for my bike's engine but found this nearly identical looking B105P Engine on ebay. Since 1962, Air Engineering has been supporting major manufacturing facilities around the world. When used at the parameters found in existing 6550/KT88/KT90 circuits, the Tung-Sol KT120 is impervious to overload, delivering peak power with extreme reliability and long tube life. 5 watt plate dissipation, opening the doors to the hi-fi movement of the 1950s. I've read some other forums, mainly hi-fi oriented, and they're pretty impressed with the results. When used at the parameters found in existing 6550/KT88/KT90 circuits, the Tung-Sol KT120 is impervious to overload, delivering peak power with extreme reliability and long tube. While they do fit under the cage, they get very close to the bars. A pair of KT120s in push-pull configuration can deliver power levels of 150 or more watts. The JL7 even uses the same driver tube technology as THE STATEMENT amplifier. Therefore, it has the power of competitors boasting 35-45W. Supports various output tubes Semi-auto bias adjustment supports 6L6GC series (KT66,etc), KT88 series (6551, KT90,etc),as well as the default EL34 series (6CA7, KT77, etc) tubes. The tube operates in pure class A ultra linear mode, with the screen grid connected tap of. Please check with your amplifier manufacturer before substituting with KT120. Tung-Sol KT120, which has a plate dissipation of 60 watts, making it the most powerful tube in the 6550/KT88/KT90 family. Can substitute in existing 6550/KT88/KT90 circuits, impervious to overload, extremely reliable, long life, super-powerful tube. I get the new tube's durability and design but given that your amp was originally designed around one of the older tubes has anybody gone back. Hope to be able to add them all in a couple of weeks. The unit under review is the “Hot Rod Inspire Fire-Bottle SE Stereo Power Amplifier”. The KT150, not so much. Selling Tung-sol KT120 power tube in good condition 90% Asking: sold Please whatsapp / contact +60 16 800 8896 Mr Tan for more info. New Sensor now announces the Tung-Sol KT120, which has a plate dissipation of 60 watts, making it the most powerful tube in the 6550/KT88/KT90 family. Psvane hifi tube KT120 from Psvane factory original matched. Datasheet file is in PDF format. Operating point: The KT120 Tung Sol tube can be easily and accurately adjusted with the NGV. Vacuum Tubes. Williamson to tube audio, and to provide information to users and DIY constructors of the features, advantages and disadvantages of this amplifier. or KT120 output tubes (some use different bias). Audio Research ships the amplifier with Russian KT120 tubes, but tube-rollers may opt to use any of the following instead: 6550, KT88, KT90, or KT150. 1set mono pair pull push tube amp DIY pcb for EL34 KT88 KT120 PCB size:200*135*2. With a plate dissipation rating of 60W (compare that with the 35W of the 6550, the 42W of the KT88, and the 50W of the KT90), a pair of these KT120 tubes in push-pull configuration can deliver 150 watts or more of audio power. The Music Room is now the largest online retailer of pre-owned HiFi equipment in the world. Components of the Audion components:. AD Audio is pleased to announce a licensing agreement with Oddwatt Audio to build their amplifiers and preamplifiers. Be sure to click the "Additional Info" tab when viewing a specific KT88 / KT90 / KT120 tube. Price for Topaz KT120 as pictured above $2545. Radio tubes are valves. Using French Solen coupling capacitor 6. Home Page, Home, Page. Tube Testing Equipment Why We Don't Sell Certain Brands Filter by All 300B / 845 / VT4C & Other Triodes 6550 / KT88 / KT120 / KT150 6BQ5 / EL84 / 7189 6L6GC / KT66 / 5881 6V6GT Types EL34 / 6CA7 / KT77 Misc. Handily outperforming amplifiers costing many times its price, the Rogue Atlas Magnum II sets a new standard in affordable tube amplification. And while the whole picture is slightly "bigger" with the KT120, I feel like the image and realistic spacing is better with some of the less powerful tubes like the KT66 and the EL34. It is a bromide to say that a tube amplifier clips "softly," rounding off transient peaks when it runs short on steam rather than shearing them off the way a solid-state amp does (with. 5 watt plate dissipation, opening the doors to the hi-fi movement of the 1950s. This is my first experience with the KT120 tube. View KT120 datasheet online at HeberTech. But a much lower mu input tube can be used, such as the 12AY7 or 12AT7 or, even, a 6N1P. My Favorite Tubes and Their Substitutes by Robert H. Other than the KT120, from what I've read so far, the EH KT90 looks like the top dog right now for the big power tubes. Therefore, it has the power of competitors boasting 35-45W. This tube is no KT88. The output power climbs up to 220 W RMS into 4 Ohms with 300 W Impulse Power. 4 pairs of inputs and speaker terminals for 4, 8, 16 ohm speakers are located on theback panel. A good analogy from the automotive world is the idle speed of a motor. KT120 parts, chips. Electro-Harmonix owns 100% of the largest remaining vacuum factory in the world. Today's new production Tung-Sol tubes are constructed with the same commitment to quality and reliability. This experimental video shows whether 2 different tubes can. The appliance can be conn. I wrote about the VS115 and the sound of the KT-120 tube on this forum several years. Components of the Audion. The Tung-Sol KT120 has a plate dissipation of 60 watts, making it the most powerful tube in the 6550/KT88/KT90 family. KT120 - In the spirit of Tung-Sol's creation of the 5881 and 6550 power tubes, New Sensor Corporation released the KT120 under its Tung-Sol label in 2010. That's 10W more than the already impressive Tung-Sol KT120 tube. Handily outperforming amplifiers costing many times its price, the Rogue Atlas Magnum II sets a new standard in affordable tube amplification. It has a very smooth sweet breakup just like. As current flows through it via a series of screens, the current is being amplified. [About $200 for a quad of KT120 vs almost $400 for four KT150]. A heavy output transformer provides. Vacuum Tube Audio ST-120 Tube Power Amplifier Review. Biasing an amp requires some knowledge of tube amp circuits and experience with high voltage. As I said before, on the MV60SE this was quite significant but then when I had the Classic60SE, the KT120's were far superior on this amp compared to any cj amp I previously owned having 6550's. Tung-Sol KT 120 Power Tetrode made in Russia. All our power tubes are computer tested and matched at the highest standards. Tube KT 120 or Röhre KT120 ID71420, Beam Power Tube, Octal (Int. TOROIDALTRANSFORMER. In fact, strings of all kinds were served up with honor and flavor. Unless you find it too harsh/edgy, go ahead and start using it. "… "It is a steal!" The review was done with a high end Ayon integrated tube amp which uses KT88 and KT120 type tubes. Vacuum tubes are guaranteed to meet manufacturers specifications. Watford Valves, one of Europe's leading suppliers of tested, graded and guaranteed valves to the professional music industry. If you have questions, please contact us or call us at 708-498-2925. Pzannuci and parlophone1, Thank you for your inputs. Great prices on Vise Tool! Featuring a big assortment of vise tool in stock and ready for shipping today online!. I am becoming an ever increasing fan of both the KT-120 and KT-150 output tubes. These are difficult to find at a reasonable price, so this is an opportunity to obtain a world class tube at a price that won't break the bank. This tube is a drop-in replacement for KT88s no special re-wiring required! The KT120 is rated to have a plate dissipation of 6. 24 watts into an 8 ohm load. Tung-Sol KT120 (Power Vacuum Tube) n September of 1950 Tung-Sol introduced the 5881, an uprated and industrial version of the 6L6GA with a 23. Prices are per tube, not for a pair. That’s 10W more than the already impressive Tung-Sol KT120 tube. This rugged tube also found a home in the '59 Fender Bassman and servo amplifiers used in B-52 bombers. Technical Differences Between KT120 and KT150 Valves; If this is your first visit, be sure to check out the FAQ by clicking the link above. This rugged tube also. com ~$73 CDN each. Humans have a primal, unconscious guard up against potentially harmful sounds. Electro-Harmonix owns 100% of the largest remaining vacuum factory in the world. 6550/KT88/KT120 Power Tube Amps. Rogue has just begun to offer new "tops" for the Cronos Magnum ($100) that allow for the wider KT120 tubes. One hundred watts per channel, Class AB Integrated Stereo Amplifier with KT120 output power tubes, 12AX7, 12AU7 and 6SN7 input tubes. [Note orders are picked and shipped on weekends. This electrical spec enables to design powerful amplifiers without parallel connection. HiFi KT120-1 HiFi KT120-2 HiFi KT120-3 * Subject. Triode Other Pages and Links Page for other tube related info and links to sites with schematics Tube Data page for tube data sheets. Power Tubes or more accurately termed Output tubes are what provide the big sound. A pair of these tubes in push-pull configuration can deliver power levels of 150 or more watts. Tung-Sol KT 120 Power Tetrode made in Russia. After the soaking period is completed, the tubes are slowly brought up to room temperature over the next 12 to 24 hours and stabilized. Experience shows that, as practical and effective as the standard models are, the SEs bring that special something to proceedings. [Vacuum Tube Cross Reference Table ]Analog Metric www. however, what they say is that tube will have far more headroom to deliver what it's capable of, plus will have double the extended life. Triode and ultra linear amplifiers really sing with these bottles, making them the ultimate upgrade for your Valve Amp or Tube Amplifier. KT120 data sheet, alldatasheet, free, databook. We have a great online selection at the lowest prices with Fast & Free shipping on many items!. European and 4 digit number to USA. New, factory Platinum matched OCTET (8) Tung-Sol KT120 tubes. The JL5 even uses the same driver tube technology as THE STATEMENT amplifier. User bias control has been used for bias adjustment. The output tubes are operated in ultralinear configuration which offers a desir able combination of high power and low distortion. New Vacuum Tubes. Please see our notes about substituting KT120 tubes for 6550 and KT88 tubes. As a result, KT88's and 6550's are produce cleaner tones and have low distortion, making it popular amongst bass amplifiers and high end audio applications. When used at the parameters found in existing 6550/KT88/KT90 circuits, the Tung-Sol KT120 is impervious to overload, delivering peak power with extreme. And at $1600 for a replacement set, I. Vacuum Tubes & Sockets. Big collection of S 2 Carburetor at good prices. The bias controls the current that flows through the tube and defines the quiescent point of the tube, so that the tube reacts immediately to an input signal and so that it amplifies that signal accurately. It is one of the largest tubes in its class and can handle significantly higher plate voltages than similar tubes, up to 800 volts. The plate is 2-1/4″ long. MUZISHARE X7 KT88 Push-Pull tube amplifier HIFI EXQUIS GZ34 Lamp Amp Best Selling With Phono and Remote - MUZISHARE is one of best chinese hi-fi equiment - Category: KT88 KT120 KTxx Push-Pull Amp - Price: $ 1057. Powerful enough to drive difficult loads and give you a unique sonic experience. View KT120 datasheet online at HeberTech. It has a 470 ohm Cathode resistor which is bypassed. Ability to use 6L6 tubes to increase headroom. The above circuit assumes that a 12AX7 is the input tube and a 6CG7 or 12AU7 or 12BH7 as an output tube. TS-KT120 offered from PCB Electronics Supply Chain shipps same day. This was great because I could then compare the difference between the valve types (tube rolling as it is called). I've read some other forums, mainly hi-fi oriented, and they're pretty impressed with the results. The Tung-sol reissue valves are produced by the Sovtek Corporation to high standards at their reflector plant in Russia. 4D32 RK-4D32 Raytheon NOS Pair/2Tubes Kt88 KT90 KT120 120 Watt 4D32-RK-4D32-Raytheon-NOS-Pair-2Tubes-Kt88: pin. Shop our great selection of KT88, 6550, KT90, KT120, KT150, vacuum tubes now. KT120 SE ,single ended amplifier This circuit is designed for a KT120 tube, the driver stage consists of a strong double triode, 6n6P. The amp can also handle the even more powerful KT150. These are the biggest tubes in an amp that pump out serious wattage. [About $200 for a quad of KT120 vs almost $400 for four KT150]. The Tung-Sol KT120 has a plate dissipation of 60 watts, making it the most powerful tube in the 6550/KT88/KT90 family. 6550 / kt88 / kt90 KT88's generate a lot power, handling significantly more plate voltage than other power tubes. Then using our "Certified Matched" process, they are hand matched in sets with tolerances 10x tighter than standard off-the-shelf tubes, thus ensuring the finest audio quality possible. Only a few of the most popular tubes are shown. The Audion KT120 Amplifier Super Sterling is the world's first Single Ended Class A 120. Thanks to Bruce, of Oddwatt Audio fame, I not only heard of the tube but now am using them in my simple two stage single-ended (SE), ultra-linear (UL) tube power amp. This tube is a drop-in replacement for KT88s no special re-wiring required! The KT120 is rated to have a plate dissipation of 60W compared with the 35W of the 6550, the 42W of the KT88, that. The Tung-sol reissue valves are produced by the Sovtek Corporation to high standards at their reflector plant in Russia. Seated 113x52mmØ "This is the most powerful audio power tube in production today. This electrical spec enables to design powerful amplifiers without parallel connection. Tung-Sol KT120 pricing information. This is the Tung-Sol's KT120 Pentode Tube. We have had great success with these valves in PrimaLuna amplifiers. I get the new tube's durability and design but given that your amp was originally designed around one of the older tubes has anybody gone back. A pair of these tubes in push-pull configuration can deliver power levels of 150 or more watts. The tube operates in pure class A ultra linear mode, with the screen grid connected tap of Lundahl LL1623 output transformer. When it's run in circuits designed for 6550/KT88/KT90 tubes, the Tung-Sol KT120 resists being overdriven and reliably delivers peak power. Some of these parts improvements include precision resistors and capacitors, better tubes, gold tube sockets, improved binding posts, and audiophile-grade output wiring. By the way did some serious listening last weekend to both sets of tubes (KT120 & 6550C). Bass amps seem to have a lot in common with hi-fi gear so that kind of spurs my interest in the 120. KT150 TUNG-SOL With a massive plate dissipation of 70 watts, the Tung-Sol KT150 is the most powerful octal beam tetrode ever produced. Get the best deals for kt120 tube amp at eBay. I used DiaLogue Premium HP as a stereo amplifier loaded with eight EL34 tubes, eight KT120 tubes and often in monoblock configuration. 6550/KT88/KT120 Power Tube Amps. 5 watt tube driver transformers, 124 series - we have already added 3 parts since their introduction in 2000 (Listed Late 2000)! High power, high impedance, single ended output transformer added to our line - our 75 watt, P/N 1642SE (Listed 2000). Very sexy looking and with sound qualities that are between KT120 and KT88 - It has midrange of KT88 and drive of KT120. Allnic T-2000 Tube Integrated Amplifier Review. TS-KT120 offered from PCB Electronics Supply Chain shipps same day. 26 results for tung sol kt120 Save tung sol kt120 to get e-mail alerts and updates on your eBay Feed. Listening to the wonderful Melody Gardot it isn’t hard to notice that the EL34 is the ‘midrange tube’. Platinum Matched tubes. cj moved to the KT120 tube because of reliability, longetivity and sound [note neither VTL or VAC have switched over!]. Hard to find parts including Dynakit™ original drop-in replacement components typically ship within 24 hours of ordering. Glenn Young January 4, 2017 Power Amplifiers. In this article a typical single ended tube amplifier circuit has been conversed. Because of our tradition of supplying the highest quality tubes, we are proud that our ouput is the very best in the world for upgrade and replacement. Please see the substitutes at the top of the page for more details. Please see our notes about substituting KT120 tubes for 6550 and KT88 tubes. With its tube complement of 20 mighty Tung-Sol KT120 power tetrodes (18 as output tubes, two used as screen regulators) per channel, the Silver Seven 900 is without peer. 5 watt plate dissipation, opening the doors to the hi-fi movement of the 1950s. I am currently looking at the Cayin A88T MKII with the optional KT120 tubes. Home Page, Home, Page. Optimizing the HP for various output tubes is facilitated by the handy switch on the right side of the chassis. Also a fantastic upgrade for Audio Research amplifiers. This circuit is designed for a KT120 tube, the driver stage consists of a strong double triode, 6n1P. This tube was used in the Dynaco Mark III and Sunn amplifers. Please remember that this is a DIY kit. The function phase shifter is assured by a triode double ECC82 and the function driver by an ECC83. Tung-Sol KT120, This is the most powerful audio power tube in production today. In 1955 Tung-Sol raised the bar of high fidelity with the introduction of the 35 watt 6550. Thanks to Jadis' custom-made signature transformers the DA50S delivers a very robust 30 watts, allowing the amplifier to maintain a surprisingly firm grip over moderately difficult to control loudspeakers. Essentially a KT88 / 6550 on steroids, they are capable of pushing 150 watts per pair of clean power in a push-pull configuration. Directly interchangeable with any KT120 based amplifier, and in many cases KT88 and 6550 though the KT150's seated height is 127mm and has higher heater current draw (~20%) than typical KT88 tubes. Because of my experience with the AricAudio Transcend Series KT120 SE amplifier, I now have to put Aric Kimball on my short list of innovative designers of world-class tube designs. Also see Studio & Music Electronics page for electronic crossovers, mic preamps, compressors, reverbs, tremolos, etc. Buy Motorcraft KT12 Tube-Htr Water at Walmart. Important Notice:. The above circuit assumes that a 12AX7 is the input tube and a 6CG7 or 12AU7 or 12BH7 as an output tube. It's difficult not to be impressed when looking at this tube. Power Tubes or more accurately termed Output tubes are what provide the big sound. powerful tube in the 6550/KT88/KT90 family. I used to own a Prologue 5 and Prologue 7 monoblocks. You may have to register before you can post: click the register link above to proceed. Swapping tubes from KT88 to KT120 with PrimaLuna. When used at the parameters found in existing 6550/KT88/KT90 circuits, the Tung-Sol KT120 is impervious to overload, delivering peak power with extreme reliability and long tube. Pentode/Triode selector switch. A pair of KT150s can allow an amplifier with a power output approaching 300 watts to be built. This tube is a drop-in replacement for KT88s no special re-wiring required! The KT120 is rated to have a plate dissipation of 60W compared with the 35W of the 6550, the 42W of the KT88, that. This page cross references both ways. My experience with the KT120 in my Rogue M180s was that the. Psvane hifi tube KT120 from Psvane factory original matched. LT1166 Here is a quick quiz: what does the following circuit do? The LT1166 is an interesting device from Linear Technology. Because of my experience with the AricAudio Transcend Series KT120 SE amplifier, I now have to put Aric Kimball on my short list of innovative designers of world-class tube designs. The Russian Tung-Sol KT120 has a plate dissipation of 60 watts, making it the most powerful tube in the 6550/KT88/KT90 family. A pair of these tubes in push-pull configuration can deliver power levels upwards of 150 watts. It has been designed around the magnificent KT120, one of the toughest tubes available. This rugged tube also found a home in the '59 Fender Bassman and servo amplifiers used in B-52 bombers. I have had a few different answers from the suppliers. 25 kilovolt) and a higher power output capability of 200 watts in class AB1 push–pull. The recommended tube complement is 4 X KT88, 6550, KT90, KT100 or KT120 output tubes, 2 X 12AU7 or 12BH7 driver tubes, and a 5AR4/GZ34 tube rectifier or a Weber WZ68 Copper cap solid state rectifier. Unless you find it too harsh/edgy, go ahead and start using it. com ~$73 CDN each. Russia made KT120 has 60 watts plate dissipation. This is the same tube that comes stock in the award-winning PrimaLuna amplifiers. If you have questions, please contact us or call us at 708-498-2925. are the KT88, KT100, KT120 and KT150 Tubes safely interchangable generally speaking in a well built tube amplifier? The KT120 and KT150 are both pentode devices and the KT88 and KT100 are described as beam tetrodes so no, I wouldn't think these can be easily interchanged even though the data sheets have the same "pin-out". Besides being arguably one of the ugliest looking new tubes I've seen in quite a while, this tube does specify a pretty heft filament current. Please see our notes about substituting KT120 tubes for 6550 and KT88 tubes. ELEKIT TU-8340. Shuguang KT120 (KT88) Vacuum Tube. This tube is a drop-in replacement for KT88s no special re-wiring required! The KT120 is rated to have a plate dissipation of 60W compared with the 35W of the 6550, the 42W of the KT88, that. 6550 / kt88 / kt90 KT88's generate a lot power, handling significantly more plate voltage than other power tubes. You can buy better tube amps, but you had better be prepared to spend a whole lot of money. 100 watt – $2400 200 watt – $2800. I used to own a Prologue 5 and Prologue 7 monoblocks. I wanted to start cheap, so I went with the Sovtek 12AX7LPS, becuase some people had reported improvements over the OEM tube, and other sources suggested this one should be pretty quiet and is good for use in phono preamps. Audio Experience THE REAL KT150 Mono Block Power Amplifier is a Class AB1 PP design power amplifier. Our history runs deeper than any other audio transformer maker in the world. There are links to tables of equivalent of European and World War II military type numbers. The recommended tube complement is 4 X KT88, 6550, KT90, KT100 or KT120 output tubes, 2 X 12AU7 or 12BH7 driver tubes, and a 5AR4/GZ34 tube rectifier or a Weber WZ68 Copper cap solid state rectifier. The KT120 is one of the very few power audio tubes that can deliver this kind of grunt without becoming over-stressed. Power supply regulation is also achieved by vacuum tube with a 6550WE and 6H30 driver. By the way did some serious listening last weekend to both sets of tubes (KT120 & 6550C). The transmitting tubes TT21 and TT22 have almost identical transfer characteristics to KT88 but a different pinout, and by virtue of their anode being connected to the top cap have a higher plate voltage rating (1. In 1958 GEC introduced the KT88, designed specifically as a hi-fi valve and intended to be the best. I'm going to ask Bruce to chime in here, he is the tube guru and the one who put me on to these tubes a few weeks back. I own many tubes a lot of nos and also tried almost every new production tube out there. At the very least they draw more filament current than KT88s. With a plate dissipation of 60 watts, the Tung-Sol KT120 is the most powerful tube in the 6550/KT88/KT90 family. Shuguang produce 2 types Shuguang Treasure KT120T tube,and regular KT120 with red label looks like a big KT88-98. Fast shipping Australia wide. They can work with various types of penthodes: KT120, KT88, 6CA7 or EL34. Please see the substitutes at the top of the page for more details. Here at Dynakit™ you will find the right parts to restore, repair or upgrade your original Dynaco™ vacuum tube amplifier. for audio serice applications oxide coated indirectly heated. KT150 can do 300W in P&P. KT88 is upwards compatible with 6550 tubes. This tube is a drop-in replacement for KT88s no special re-wiring required! The KT120 is rated to have a plate dissipation of 6. New Sensor now announces the Tung-Sol KT120, which has a plate dissipation of 60 watts, making it the most powerful tube in the 6550/KT88/KT90 family. A pair of these tubes in push-pull configuration can deliver power levels of 150 or more watts. Twin KT120 output tubes joyride 24 Class A watts per channel (into 8 ohms). Seated 113x52mmØ "This is the most powerful audio power tube in production today. Allnic T-2000 Tube Integrated Amplifier Review. " The KT120 lists a slightly higher filament current but I. The KT120 is a high-power tetrode vacuum tube originally developed in the mid-1950s by Tung-Sol of Newark, New Jersey. That’s 10W more than the already impressive Tung-Sol KT120 tube. Tung-Sol KT120 pricing information. The transmitting tubes TT21 and TT22 have almost identical transfer characteristics to KT88 but a different pinout, and by virtue of their anode being connected to the top cap have a higher plate voltage rating (1. With a plate dissipation rating of 60W (compare that with the 35W of the 6550, the 42W of the KT88, and the 50W of the KT90), a pair of these KT120 tubes in push-pull configuration can deliver 150 watts or more of audio power. Next Project some day ? KT120 Single Ended Amplifier Just Show you schematic diagram. Output power is developed by KT120 power tubes (two pairs per channel in the LP125sa, four pairs in the LP260m), chosen for their excellent sonic character, high power capability, and reliability. 2 types of amplifier modes - Switch between Ultra Linear and Triode. We have been doing business with famous companies in USA,Japan,Germany,Australia,Italy and Netherland. Cary Audio SLM 100 TUBE MONOBLOCK Amplifiers KT120 Power Tubes 100+ Watts per Channel. This amp not only can be an Integrated Amplifier, but also can be a Power Amplifier. Due to the high current and power capability of these tubes, it is very important that the KT88 tubes are well matched. Vacuum tubes are guaranteed to meet manufacturers specifications. Here at Dynakit™ you will find the right parts to restore, repair or upgrade your original Dynaco™ vacuum tube amplifier. Plate dissipation of 60 watts and higher current handling capacity has allowed the design of new amplifiers which are unique, extremely powerful and stable. Pzannuci and parlophone1, Thank you for your inputs. To start viewing messages, select the forum that you want to visit from the selection below. The 200 watt version uses the newly designed KT120 power tubes – these extra large tubes are industrial strength and should last for many, many years before requiring replacement. About the CAD-120S MkII amplifier. The pending list of tubes that will be added now includes: ECL84, ECL85 kt120 EL86, 6AH6, A2134, 12E1 GM70, GU50 6GU7 6CG7 12BH7 45, 101D, 205D. Tung-Sol tubes reflect the b | KT120 TS PL. With the use of 2 KT120 output tubes, 2 6SN7 driver tubes (per channel) under Class A push-pull Triode mode, the M-100 is capable to deliver 120 watts of power. Trend of the sound of single-ended amplifier will get involved in the quality of the output transformer to be a single. Looks like a larger EL34, but linearity is a compromise as with all switching tubes. A selection of vintage tubes KT88 till someone make an amp with KT120. These are the biggest tubes in an amp that pump out serious wattage. You could say that tubes are fragile, glass tube that allows a specific amount of current to run through it (hence the other name: valve). Choose Yours High End Tube Headphone Amplifier, Integrated or Tube Power Amp, Tube Premap, DAC with DSD or DXD, MQA or PCM 32bit in unique design. Shuguang, China 's oldest and largest manufacturer of vacuum tubes has been in business since 1958. Tubes audiophile pour les amplificateurs à lampes haute fidélité 6550 , KT88 , KT90 , KT100 , KT120 , KT150. I had a set of 6550 tubes that still had lots of life, so I included them with my amp and these have been sitting around for a year. Rogue has just begun to offer new "tops" for the Cronos Magnum ($100) that allow for the wider KT120 tubes. Everett, WA. are the KT88, KT100, KT120 and KT150 Tubes safely interchangable generally speaking in a well built tube amplifier? The KT120 and KT150 are both pentode devices and the KT88 and KT100 are described as beam tetrodes so no, I wouldn't think these can be easily interchanged even though the data sheets have the same "pin-out". Vacuum Tube - KT120, Tung-Sol Reissue. And this just scratches the surface. These are recreations of some of the most popular Audio and guitar valves and they also produce some original designs under the Tung-Sol name such as the KT120. Their first two products, the Cherry 180 and Black Beauty Tube Amplifiers look awesome. the highs are supposed to be the same compared to KT80, KT90 & the 6550c, with just a little. The operating point of the KT120 Tung Sol tube can be easily and accurately adjusted with the NGV. It should, however, be modeled well enough to determine if the driver tubes can supply the necessary current. Full power of KT120 tubes. Therefore, it has the power of competitors boasting 35-45W. A pair of these tubes in push-pull configuration can deliver power levels of 150 or more watts. for audio serice applications oxide coated indirectly heated. Have read that KT120s should ha. Thought you guys might be interested; this from Bob Latino over at the Dynaco Tube Forum At about 5 PM on 4/15/10 the Big Brown Truck dropped off a matched quad of the new Tung-Sol KT120 tubes. This amp does 130 watts per channel and is in pristine shape. The Tung-Sol KT120 has a plate dissipation of 60 watts, making it the most powerful tube in the 6550/KT88/KT90 family. The monster power transformer in the TU-8340VK is rated to supply the juice these tubes require. Octal, IO) K8A, USA 1935 and Power/Output shown. The Bruiser is a heavy duty stereo tube amp designed to handle these types of speakers. Some of these parts improvements include precision resistors and capacitors, better tubes, gold tube sockets, improved binding posts, and audiophile-grade output wiring. Please remember that this is a DIY kit. TS-KT120, Vacuum Tubes, TUNGSOL KT120 PWR VACUUM TUBE. This tube is a drop-in replacement for KT88s no special re-wiring required! The KT120 is rated to have a plate dissipation of 60W compared with the 35W of the 6550, the 42W of the KT88, that's a lot of juice! The KT120 also draws more filament current from your amp's output transformer(s). New Sensor now announces the Tung-Sol KT120, which has a plate dissipation of 60 watts, making it the most powerful tube in the 6550/KT88/KT90 family. 1590 West Algonquin Road #111 Hoffman Estates, IL 60192. Here at Dynakit™ you will find the right parts to restore, repair or upgrade your original Dynaco™ vacuum tube amplifier. In 1958 GEC introduced the KT88, designed specifically as a hi-fi valve and intended to be the best. You can buy better tube amps, but you had better be prepared to spend a whole lot of money. the highs are supposed to be the same compared to KT80, KT90 & the 6550c, with just a little. Pzannuci and parlophone1, Thank you for your inputs. Sold My m180 monoblocks that used kt120 tubes 4 tubes about 70% of life is left. " "This new KT120 is the steamroller of audio tubes, prepare to be flattened. When used at the parameters found in existing 6550/KT88/KT90 circuits, the Tung-Sol KT120 is impervious to overload, delivering peak power with extreme reliability and long tube life. Operating point : The KT120 Tung Sol tube can be easily and accurately adjusted with the NGV. Find great deals on eBay for kt120 tubes and kt150 tubes. KT88 is a low distortion, high output power tube developed specifically for audio. I inherited these tubes when I purchased a used CAYIN A88T MKII valve amplifier whose owner had sold the original KT88's so I've since bought some Gold Lion KT88's and they seem in harmony with the rest of my system giving me the sound. New Sensor now announces the Tung-Sol KT120, which has a plate dissipation of 60 watts, making it the most powerful tube in the 6550/KT88/KT90 family. Local pickup (28 miles away) Posted 2 years ago in Electronics. The technician will need to remove the bottom cover of the amplifier, turn the amplifier so that the PC board faces out and locate the 10 ohm resistor near the tube socket, between pin 1 and pin 8 of the tube socket. That is an extra 1. Notes: The above examples of possible combinations are to help you narrow down the choices of transformers for your favorite tube types. Power supply regulation is also achieved by vacuum tube with a 6550WE and 6H30 driver. PrimaLuna KT120 Tube – Silver Label $ 185. Therefore, it has the power of competitors boasting 35-45W. Plate dissipation of 60 watts and higher current handling capacity has allowed the design of new amplifiers which are unique, extremely powerful and stable. This experimental video shows whether 2 different tubes. That’s 10W more than the already impressive Tung-Sol KT120 tube. A heavy output transformer provides. Today's new production Tung-Sol tubes are constructed with the same commitment to quality and reliability. Dynaco mentions in the Mark VI manual that there is no substitute for the 8417 tube. The monster power transformer in the TU-8340VK is rated to supply the juice these tubes require. I grew interested in this tube as a replacement for the 6550/KT88s in my Dynaco Mark IIIs - but had problems getting it to bias without modifying the stock circuit. The replacement tube arrived today, and I went to set the bias on the new tube and reset it on the 3 old ones. By the way did some serious listening last weekend to both sets of tubes (KT120 & 6550C). The goal of this design was to produce a zero negative feedback single-ended Class A amplifier with enough power to drive a variety of speakers. " "The M-100 Tube Amplifier uses the latest mono-block circuitry and only highest quality parts and components are used throughout the amplifier circuit. EL34 tubes. View KT120 datasheet online at HeberTech. Please take this into consideration when placing your order. The tube operates in pure class A ultra linear mode, with the screen grid connected tap of. Hard to find parts including Dynakit™ original drop-in replacement components typically ship within 24 hours of ordering. Because of my experience with the AricAudio Transcend Series KT120 SE amplifier, I now have to put Aric Kimball on my short list of innovative designers of world-class tube designs. I have used may PP powerstage bench - picture and schematic below - able to drive AB1 and AB2. Hong Kong Contact Information. The 7189A power pentode is the same as the 7189 but has two pinout differences, as follows: The 7189, the EL84, and the 6BQ5 tubes all reserve pin #1 for "Internal Connection" by the tube manufacturer. These are burned in for 24 hours and then factory matched at real world voltages. Power Tubes NOS Tubes PrimaLuna Brand Tubes. Super-premium Octal Beam Tetrode, impervious to overload when used at parameters found in existing 6550/KT88/KT90 circuits. KT-120 tubes vs Gold Lion KT88's. This is the current $7000. Unless you find it too harsh/edgy, go ahead and start using it. KT88 is a low distortion, high output power tube developed specifically for audio. The KT150, not so much. "With a plate dissipation rating of 60W (compare that with the 35W of the 6550, the 42W of the KT88, and the 50W of the KT90), a pair of these KT120 tubes in push-pull configuration can deliver 150 watts or more of audio power. Hand-built Vacuum Tube Amplifiers, and Preamplifiers for the the discriminating music lover. Please take this into consideration when placing your order. One hundred watts per channel, Class AB Integrated Stereo Amplifier with KT120 output power tubes, 12AX7, 12AU7 and 6SN7 input tubes. La livraison est rapide. They are available as a single tube, matched pairs or matched quads. powerful tube in the 6550/KT88/KT90 family. Still most folks do not really need more than 40 to 45 watts of audio power. A pair of these tubes in push-pull configuration can deliver power levels upwards of 150 watts. The amp can also handle the even more powerful KT150. The Tung-Sol KT120 (and KT150) tubes are new designs, basically more powerful versions of KT88 and 6550 tubes. I have used may PP powerstage bench - picture and schematic below - able to drive AB1 and AB2. The KT120 is an incredible tube. It’s difficult not to be impressed when looking at this tube. The output tubes are operated in ultralinear configuration which offers a desir able combination of high power and low distortion. Gold Lion KT88. The Atlas Magnum II was designed to box outside of its weight class and in that spirit it is truly a world champion. KT120 Push Pull Amplfier. powerful tube in the 6550/KT88/KT90 family. Positive Feedback ISSUE 76 november/december 2014. " "This new KT120 is the steamroller of audio tubes, prepare to be flattened. It’s long been the bane of tube amplification that limited power means limited speaker choice, but the KT120 – one of the most recent additions to the ranks of output pentodes – was created to deliver the sort of power that most glass lovers could hitherto only dream about. Up to a few weeks ago I didn't even know the KT120 tube existed. 02uF coupling cap are encountered. This is a well built tube, and it delivers an amazingly clear and detailed sound with good bass to boot!. With a flick of a switch and a quick tube balancing operation you are ready to enjoy. The MRE 220, Octave’s second amplifier designed for the KT 120, achieves a performance that was previously deemed impossible with tube amplifiers with the KT 120 and its new Power Supply and Output-Transformer-Section designs. さて、最近kt120の注文がよく入るようになってきました。発表されてからもう一年以上経ちますが、ようやく知名度があがってきたと言う事でしょうか。 このkt120はエレハモkt90ehをさらに大型化したようなものです。. Any tube comes with a qualified certificate of the Shuguang corporation. If you have questions, please contact us or call us at 708-498-2925. Right out of the box (I bought a wired amplifier – not a kit), the amplifier sounds very, very good; excellent dynamics and tight bass with no glare at all. Please take this into consideration when placing your order. At the very least they draw more filament current than KT88s. Once again I can only say every tubes has a certain signature and Bruce, on another thread, out-lined a number of tubes and made a comment about how he found their individual sonics. Every conrad-johnson Classic Amplifier is patiently and carefully hand assembled, then individually inspected and its performance verified by an experienced audio technician. Find great deals on eBay for kt120 tubes and kt150 tubes. This amp not only can be an Integrated Amplifier, but also can be a Power Amplifier. That is an extra 1. Therefore, it has the power of competitors boasting 35-45W. Operating point: The KT120 Tung Sol tube can be easily and accurately adjusted with the NGV. A pair of these tubes in push-pull configuration can deliver power levels of 150 or more watts. Tungsol KT120 In September of 1950 Tung-Sol introduced the 5881, an uprated and industrial version of the 6L6GA with a 23. KT120 is not always a direct replacement for 6550/KT88 or KT90 (power supply). The technician will need to remove the bottom cover of the amplifier, turn the amplifier so that the PC board faces out and locate the 10 ohm resistor near the tube socket, between pin 1 and pin 8 of the tube socket. Watch in HD. The KT120 is a high-power tetrode vacuum tube originally developed in the mid-1950s by Tung-Sol of Newark, New Jersey. The article also discusses a few enhancements in the form of. Any tube comes with a qualified certificate of the Shuguang corporation. I've read some other forums, mainly hi-fi oriented, and they're pretty impressed with the results. All our power tubes are computer tested and matched at the highest standards. Still most folks do not really need more than 40 to 45 watts of audio power. The monster power transformer in the TU-8340VK is rated to supply the juice these tubes require. Line Magnetic LM-501IA Hifi KT120*4 Integrated Vacuum Tube Amplifier - Features: 1. There are a few amps that can use the tubes, but have been designed for KT120. You could say that tubes are fragile, glass tube that allows a specific amount of current to run through it (hence the other name: valve). 00 (built on optional Jarrah Chassis) Standard model with Tung-sol 6SL7's and Tasmanian Oak Chassis is $2495. 80) less than 50 hours I have decided to. Free 2-day shipping. Only a few of the most popular tubes are shown. This rugged tube also found a home in the '59 Fender Bassman and servo amplifiers used in B-52 bombers. The amp can also handle the even more powerful KT150. Features Appollon, Power Amplifier, 2 x 70 Watt, (8 x EL 34, 4 x 12AT7). The original Dynaco designs are among the best tube amps ever made. The Audion Super Sterling 120 uses Tungsol KT120 pentode tubes the amp delivers approx. Unfollow tung sol kt120 to stop getting updates on your eBay Feed. Original triple boxing for shipping. That's about 1/2″ longer than the KT120 tube, and almost 1″ longer than a typical KT88 tube. They are available as a single tube, matched pairs or matched. The Fezz Audio Titania Tube Amplifier [English Version] Introduction Last year, in December, I wrote about a premiere tube amplifier, a product of the polish company called Fezz Audio ; it was the Silver Luna model (read the test HERE ), based on the EL34 vacuum tubes. Triode and ultra linear amplifiers really sing with these bottles, making them the ultimate upgrade for your Valve Amp or Tube Amplifier. The Tung-Sol KT-150 was selected for the output tube because of its 60W plate dissipation and good linearity when wired as a triode. The JL7 was designed to bring the famous CAT quality into a smaller more convenient chassis and make tube biasing much easier. Operating screen grid currents between the tubes don't differ significantly per the datasheets. In comparing the datasheets between the 6550 and the KT120, the current draw at idle shouldn't between the two tubes shouldn't be enough to cause that much of a difference in plate voltage. This tube is a drop-in replacement for KT88s no special re-wiring required! The KT120 is rated to have a plate dissipation of 60W compared with the 35W of the 6550, the 42W of the KT88, that. User bias control has been used for bias adjustment. EL34 tubes. 6mm*2pc 1set(2pc mono pcb),output tube you can select EL34,KT88 KT120*4PC driver tube you can select 6cg7 6fq7,12au7 ecc82 ecc83 or other 9pin dual triode tubes,but i have. If you order 8 tubes, we will supply you with 2 matched quads, as close as possible to each. thanks for looking pp and shipping is free. KT150 TUNG-SOL. Both EL156 and KT120 are very good and enjoyable sounding tubes, with different character of sound. KT120 Datasheet, KT120 PDF. A pair of these tubes in push-pull configuration can deliver power levels upwards of 150 watts. Kind of lived with it for a while until the channel with that valve in it started popping and clicking. We have a great online selection at the lowest prices with Fast & Free shipping on many items!. Lew feels that being that these new KT120s are run far more conservatively in their circuit than the 6550, the new tubes should have a longer lifespan. It is one of best power tubes I've heard. 25 kilovolt) and a higher power output capability of 200 watts in class AB1 push–pull. The KT120 tube is an exciting development in new production vacuum tubes. Watch in HD. Thanks to Bruce, of Oddwatt Audio fame, I not only heard of the tube but now am using them in my simple two stage single-ended (SE), ultra-linear (UL) tube power amp. This addition is long overdue. Class-A integrated vacuum tube amplifier with an output power of 2 x 50 W. Find great deals on eBay for kt120 tubes and kt150 tubes. Trend of the sound will be determined by the output transformer and vacuum tube of the points driver stage two when given the proper voltage. One single triode per tube, it has a thick plate to withstand an excess of 40mA plate current, cranking up the consumption to that of a small power pentode! In this design I use two per channel, making this the lowest noise tube phono pre-amp I can imagine. Classic vintage 6V6 tone with natural breakup. This tube also draws more filament current (100-300 mA more per tube) than 6550/KT88/KT90 tubes do, so you need to be sure your power supply can handle the increased demand. With the use of 2 KT120 output tubes, 2 6SN7 driver tubes (per channel) under Class A push-pull Triode mode, the M-100 is capable to deliver 120 watts of power. Compatibility. HiFi KT120-1 HiFi KT120-2 HiFi KT120-3 * Subject. The technician will need to remove the bottom cover of the amplifier, turn the amplifier so that the PC board faces out and locate the 10 ohm resistor near the tube socket, between pin 1 and pin 8 of the tube socket. GROUPING_QUAD_TS-KT120, Vacuum Tube Sets, 4 OF TUNGSOL KT120 PWR VAC TUBE. Companies such as Cary Audio, McIntosh, and Jolida offer amps with KT88 tubes. Its intent is to present a tribute to the contribution of Mr. When it's run in circuits designed for 6550/KT88/KT90 tubes, the Tung-Sol KT120 resists being overdriven and reliably delivers peak power. Dynaco™ replacement parts & vacuum tube audio amplifier kits. But you may have to act fast as this top kt120 tube is set to become one of the most sought-after best-sellers in no time. Components of the Audion. Thanks to Jadis' custom-made signature transformers the DA50S delivers a very robust 30 watts, allowing the amplifier to maintain a surprisingly firm grip over moderately difficult to control loudspeakers. The KT120's are neither fiery hot, nor rosy-toned, but with the right parts and pieces surrounding them, they produce remarkably captivating music. It has a 470 ohm Cathode resistor which is bypassed. PrimaLuna KT120 - This tube is made by Tung Sol and is very dependable, sounds great, and looks even better. Homepage for Brent Jessee Recording Tube Sales. Plate dissipation of 60 watts and higher current handling capacity has allowed the design of new amplifiers which are unique, extremely powerful and stable. Listening to the wonderful Melody Gardot it isn’t hard to notice that the EL34 is the ‘midrange tube’. I wrote about the VS115 and the sound of the KT-120 tube on this forum several years. I’ve heard this amplifier with both the 6550 and the KT120 tubes. It's the world's first single-ended KT120 amplifier and it is promoted loud and proud as such; an amplifier than can take 86db standmounts by the scruff of the neck. If you have questions, please contact us or call us at 708-498-2925. 100 watt – $2400 200 watt – $2800. We accept bargain and extend favorable cooperation with friends worldwide. The KT120's are neither fiery hot, nor rosy-toned, but with the right parts and pieces surrounding them, they produce remarkably captivating music. A pair of these tubes in push-pull configuration can deliver power levels of 150 or more watts. HiFi KT120-1 HiFi KT120-2 HiFi KT120-3 * Subject. They are so satisfied with our products and order from us all the. Watford Valves, one of Europe's leading suppliers of tested, graded and guaranteed valves to the professional music industry. 2 types of amplifier modes - Switch between Ultra Linear and Triode. With circuitry borrowed from our most advanced amplifier designs, the Cronus Magnum's 100WPC effortlessly reproduces even the most demanding musical passages. Matched Quad Set By virtue of its smart design of power turbo, the electron curren. The KT120 Tung-Sol Power Pentode has to be one of, if not the most powerful tube in production today. Shop with confidence. Re: Sophia tubes, they aren’t building the tubes in America, just designed them here and having them built in China. This is the Tung-Sol's KT120 Pentode Tube. I have stocks of many. Out of curiosity, I contacted the manufacturer and they confirm that the KT150 typically pulls 1. I love and appreciate tube based audio gear and own sixteen pieces of tube gear between my two reference systems. Shop our great selection of KT88, 6550, KT90, KT120, KT150, vacuum tubes now. Tung-Sol KT120 pricing information. Right out of the box (I bought a wired amplifier – not a kit), the amplifier sounds very, very good; excellent dynamics and tight bass with no glare at all. I had a set of 6550 tubes that still had lots of life, so I included them with my amp and these have been sitting around for a year. The KT120 Tung-Sol Power Pentode has to be one of, if not the most powerful tube in production today. All power tubes are tested for microphonics, durability, and overall quality. That's 10W more than the already impressive Tung-Sol KT120 tube. Therefore, it has the power of competitors boasting 35-45W. La livraison est rapide. Vacuum Tube - KT120, Tung-Sol Reissue. Tung-Sol KT120 Beam Power Pentode (super 6550/KT88; 60 watt plate dissipation), 8 Pin, Original Box, Russia 30% Off BULK BUY Pricing. I used DiaLogue Premium HP as a stereo amplifier loaded with eight EL34 tubes, eight KT120 tubes and often in monoblock configuration. Nobsound Vacuum Tube Amp Amplifier Plate Bias Current Probe Tester 8 Pin Socket for EL34, KT88, 6L6, 6V6, 5881, 6550, KT66, KT100, KT120, 7027 (CT1-C, Cathode Current). This is a well built tube, and it delivers an amazingly clear and detailed sound with good bass to boot!. In comparing the datasheets between the 6550 and the KT120, the current draw at idle shouldn't between the two tubes shouldn't be enough to cause that much of a difference in plate voltage. The use of the mentioned alternative power tubes will yield a maximum output of approximately 25 watts verses the 45 to 55 watts output with the KT120 power tubes. Auto biasing design that eliminates manual adjustment. Russia made KT120 has 60 watts plate dissipation. Classic vintage 6V6 tone with natural breakup. Please take this into consideration when placing your order. or KT120 output tubes (some use different bias). Tung-Sol KT120 Super cool KT88 variant made by New Sensor in Russia. The plate is 2-1/4″ long. Please check with your amplifier manufacturer before substituting with KT120. KT120 - In the spirit of Tung-Sol's creation of the 5881 and 6550 power tubes, New Sensor Corporation released the KT120 under its Tung-Sol label in 2010. If you absolutely must have the best of the best and you can afford it, then look for some Conrad-Johnson tube hifi gear. The Bruiser is a heavy duty stereo tube amp designed to handle these types of speakers. 4 6V6 Power Tubes for increased headroom. Every conrad-johnson Classic Amplifier is patiently and carefully hand assembled, then individually inspected and its performance verified by an experienced audio technician. Tung-Sol KT120. although if replaced with an existing KT80, KT90 or 6550 the KT120 can run on existing amps using any of these tubes, but will not put out a higher wattage due to the trannys not wired for such high current. Every conrad-johnson Classic Amplifier is patiently and carefully hand assembled, then individually inspected and its performance verified by an experienced audio technician. If you order 8 tubes, we will supply you with 2 matched quads, as close as possible to each. The amp has been designed to work with lower efficiency loudspeakers from approx 86db and up. Think how jealous you’re friends will be when you tell them you got your kt120 tube on AliExpress. Thank You GOOD LUCK!. When used at the parameters found in existing 6550/KT88/KT90 circuits, the Tung-Sol KT120 is impervious to overload, delivering peak power with extreme. I'm sure the extra power has something to do with it, but there. Bold designators are close or identical, Italic designators are different ratings, different pinouts or different filament voltages. Remote volume control 5. Tube Data Sheet Locator. I've heard this amplifier with both the 6550 and the KT120 tubes. I get the new tube's durability and design but given that your amp was originally designed around one of the older tubes has anybody gone back. (Some call it a valve, those terms are interchangeable). OUTPUT PENDODE EL34 is an octal power tube with a maximum plate power of 25W. Model KT120. KT88 Tube Power Amplifier Class A Single Ended Valve Triode Amplifier has not same tone with Push Psu Amplifier. Glenn Young January 4, 2017 Power Amplifiers. The use of the mentioned alternative power tubes will yield a maximum output of approximately 25 watts verses the 45 to 55 watts output with the KT120 power tubes. The Tung-Sol KT120 has a plate dissipation of 60 watts, making it the most powerful tube in the 6550/KT88/KT90 family.