Price is for a matching quad 4 tubes of tungsol kt120. New sensor announces the tungsol kt120, which has a plate dissipation of 60 watts, making it the most powerful tube in the 6550kt88kt90 family. Tung sol kt150 cryo matched pair cryoset online store. With a massive plate dissipation of 70 watts, the tung sol kt150 is the most powerful octal beam tetrode ever produced. Kt120 datasheet pdf list of unclassifed manufacturers. I do feel that the kt120s are the best output tube to use in this amplifier. Tungsol kt120 matched pair from audio research no reserve. A pair of kt150s can allow an amplifier with a power output approaching 300 watts to be built. Virtual systems let the world see what youve built. Kt90, kt120 and kt150 are higherpowered direct replacement of kt88. Tungsol kt120 in september of 1950 tung sol introduced the 5881, an uprated and industrial version of the 6l6ga with a 23. The monster power transformer in the tu8340vk is rated to supply the juice these tubes require. Tungsol kt120 super cool kt88 variant made by new sensor in russia. With a plate dissipation of 60 watts, the tung sol kt120 is a powerful tube in the 6550kt88kt90 family.
Kt120 tubes vs gold lion kt88s audiogon discussion forum. Kt120 tube compatibility w jadis defy 7 amp mk 1 audiogon. Hi, i have an original jadis defy i just acquired for i liked its sound very much. What are your favorite new production kt88 and 6550 power. However, taking advantage of the higher current handling capacity of these tubes, a very unique and super powerful and stable amp can be designed using the tung. Scroll down to see sets of 2 pair, 4 quad, and 6 sextet. At the very least they draw more filament current than kt88s. Sold by tonal tubes and ships from amazon fulfillment. Can substitute in existing 6550kt88kt90 circuits, impervious to overload, extremely reliable, long life, superpowerful tube. Matching service is provided by the tung sol usa distributor and we ship from canada to buyers worldwide. Tung sol kt150 cryo matched pair cryoset online store tung sol. These are wonderful sounding tubes that are a direct replacement for any 6550 or kt88. At the time of initial installation into the circuit, the tube complement was as follows.
In response to strong demand for high output power tubes, we now carry tungsol kt120 and kt150 tubes in matched quad. They have spent 712 hours in a reference 150 and still bias nicely. In most cases you can use these tubes in place of kt88, but its best to check with your amp manufacturer first. A pair of these tubes in pushpull configuration can deliver power levels of 150 or more watts. Our thoughts go out to all who are affected by covid19. No manual adjustment needed most auto bias or cathode bias amps.
Tung sol kt120 super cool kt88 variant made by new sensor in russia. Both automatic or manual bias adjustment scenarios. We highly recommend these tubes the ultimate 12ax7. Tungsol kt150 speakers amp parts guitar strings hot rox uk. With a plate dissipation of 60 watts, the tungsol kt120 is the most powerful tube in the 6550kt88kt90 family. This is a matched set of 4 that have been cryogenically treated. I recently compared genalex kt88 and tung sol kt120 in my emotive audio vita amps. It has very similar midrange texture to the kt88s but it has better presence in the bass region so ive been running tung sol kt120s for about 1. Should have about 60% of usable hours remaining this estimate is accord. In 1955 tungsol raised the bar of high fidelity with the introduction of the 35 watt 6550. The kt120 also draws more filament current from your amps output transformers.
When the time comes to replace tung sol kt120 again. New from tung sol the kt150 power tube rated at 70w plate dissipation. Due to many requests by fans of our tungsol line of tubes, the tungsol el846bq5 has been reissued. A survey of four sets of power tubes in two pushpull amps. With balanced triods and low microphonics makes it a good choice in all preamp stages including the v1 position. Matching service is provided by the tungsol usa distributor and we. Tungsol kt120 in september of 1950 tungsol introduced the 5881, an uprated and industrial version of the 6l6ga with a 23. The tungsol kt150 is the most powerful octal beam tetrode ever produced and a pair of kt150s can allow an amplifier with a. Thats 10w more than the already impressive tungsol kt120 tube. The fact that the glass envelope has no flat sides means the tungsol kt150 has no problems with microphonics. The tungsol kt120 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 life.
The tungsol kt120 has a 60w dissipation tray, making it the most powerful tube in the 6550kt88kt90 family. When its run in circuits designed for 6550kt88kt90 tubes, the tungsol kt120. Reissue tungsol 12ax7, now manufactured by electro harmonix at the reflector factory in russia. This rugged tube also found a home in the 59 fender bassman and servo amplifiers used in b52 bombers. When its run in circuits designed for 6550kt88kt90 tubes, the kt120 resists being overdriven and reliably delivers peak power. Kt120tung sol ru tungsol russia the tungsol kt120 is a new valve which has a rated plate dissipation of 60 watts, which makes this the most powerful. The kt120 has a plateanode disapation of 60 watts compared to the 35watts of the original gec, and 42 watts for the svetlana winged c. Ok, so heres my second tube roll, these tungsols replace the stock shuguang tubes. Using the tung sol kt120 as a direct replacement for any 6550 of kt88 will provide much longer tube life and reliability. Merch rep the community and hobby you love so much.
Nice matched pair of kt120 tubes i purchased from arc. Tungsol kt120 power vacuum tube, platinum matched quad. Kt120 pushpull tube amplifier schematic oddwatt audio obho. The kt120 is a beam pentode power amplifier with a 60w plate dissipation rating enabling designs for up to 200w pushpull output. In september of 1950 tungsol introduced the 5881, an uprated and industrial version of the 6l6ga with a 23. New sensor now announces the tungsol kt120, which has a plate dissipation of 60 watts, making it the most powerful tube in the 6550kt88kt90 family. With a plate dissipation of 60 watts, the tungsol kt120 is the most powerful tube in. After the introduction of the highly successful tung sol kt120, russias premier vacuum tube inventors set to work to develop an even more powerful audio output valve. New sensor announces the tung sol kt120, which has a plate dissipation of 60 watts, making it the most powerful tube in the 6550kt88kt90 family.
Kt120 s can be used in place of kt88s in many amps, as long as the power supply, and bias system can accomodate them, the heater current with the kt120 s is a little higher ie. Plans are only valid for new or certified refurbished products purchased in the last 30 days with no preexisting damage. I do feel that the kt120 s are the best output tube to use in this amplifier. Also, there is a new tube out for the kt886550kt90el34 socket line called the kt120. Technical differences between kt120 and kt150 valves. Power tubes 6550 kt88 kt120 kt150 tube basics and faq. Just got hold of the kt120 output tubes last wednesday, replaced the 6550c tubes on my conrad johnson power amp. Tung sol kt120 matchingpair vacuum tubes claim a storied history that stretches back to september of 1950 when the company introduced the 5881, an industrial version of the 6l6ga with a 23. This valve is now well known amongst audiophiles but tube distinctions was one of the first companies in the uk to recognise its sonic qualities hence it is fitted as an optional extra in some of our equipment. The tungsol 12ax7 tube they produce is of high standard. New from tungsol the kt150 power tube rated at 70w plate dissipation. If the page is blank click here tungsol kt120 datasheet. When its run in circuits designed for 6550kt88kt90 tubes, the tungsol kt120 resists being overdriven and reliably delivers peak power.
It depends on the construction of the anode, and its ability to dissipate. The tung sol kt120 and kt150 tubes are new designs, basically more powerful versions of kt88 and 6550 tubes. The kt120 is rated to have a plate dissipation of 60w. Kt120 pushpull tube amplifier schematic oddwatt audio obho this kt120 tube amplifier is a follow on to the smaller oddwatt power amplifier. Protection plan documents will be delivered via email within 24 hours of purchase.
The tung sol kt150 glass envelope is a special eggshaped balloon that was developed to improve thermal dissipation and maintain a superior vacuum for the best sound. This rugged tube also found a home in the 59 fender bassman and servo amplifiers used in b. Tungsol kt120, this is the most powerful audio power tube in production today. Thats 10w more than the already impressive tung sol kt120 tube. Kt120 tung sol in september of 1950 tung sol introduced the 5881, an uprated and industrial version of the 6l6ga with a 23. Jan 09, 2007 it has been brought to my attention from igor boros, that the new ts kt66 arent really kt66s at all and the metal base like a 6550 will short the bias voltage if the tube clamp touches them. Kt120 datasheetpdf list of unclassifed manufacturers. When used at the parameters found in existing 6550kt88kt90 circuits, the tung sol kt120 is impervious to overload, delivering peak power with extreme reliability and long tube life. The tungsol kt150 glass envelope is a special egg shaped balloon that was developed to improve thermal dissipation and maintain a superior vacuum for the best sound. Due to its rugged construction and conservative ratings, it is the most reliable current production el84 type available for use in vox. I have one pair of the kt120 and wonder if i should get me a second pair and use them to my old. 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 pushpull configuration can deliver 150 watts or more of audio power. The tungsol el846bq5 was a popular oem tube for americanmade el846bq5 guitar amplifiers, such as those built by gibson and harmony.
The tung sol kt150 is the most powerful octal beam tetrode ever produced and a pair of kt150s can allow an amplifier with a power output approaching 300 watts to be built. These tung sol 6550 are made in russia to the original tung sol specifications. Kt120pr kt120 tungsol matched pair, valve audio tubes. Tungsol kt120 power tube high quality matched pair. Vacuum tube kt120, tungsol reissue antique electronic supply. Failure to do so will delay processing of your order. The tung sol kt150 glass envelope is a special egg shaped balloon that was developed to improve thermal dissipation and maintain a superior vacuum for the best sound.
Kt150 tung sol with a massive plate dissipation of 70 watts, the tung sol kt150 is the most powerful octal beam tetrode ever produced. In 1955 tung sol raised the bar of high fidelity with the introduction of the 35 watt 6550. I would like to build a 200 watt mono block but the only opts i found rated. Kt120 tungsol in september of 1950 tungsol introduced the 5881, an uprated and industrial version of the 6l6ga with a 23. Still most folks do not really need more than 40 to 45 watts of audio power. Tungsol kt120, this is the most powerful audio power tube. In response to strong demand for high output power tubes, we now carry tung sol kt120 and kt150 tubes in matched quad. Block diagram, pinout and kt120 circuit application inside.