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Precision Matched Power Tubes
Accurate power tube matching can minimize the risk of early tube failure and maximize power tube performance in your amp. All our premium matched new production power tubes are:
- Burned in. After performing thorough tests before and after burn in, we have found that the change in readings for current draw, transconductance, and gas was significant enough to require a 48 hour burn-in period for accurate matching.
- Tested at typical operating conditions. Click "more info" for any of the power tubes listed below to see the voltages we use for our standard testing and matching. If the operating conditions for your equipment differ significantly from our standard voltages, we can custom match power tubes to your specifications.
- Matched for both current draw (mA) and transconductance (Gm). We are almost always able to match new production tubes to within 1-4% on both scales. This takes more time on our part, but we feel the benefits are worth it.
Price: $162.00
Sale Price: $121.50
You Save: $40.50 (25 %)
In the Genalex / Marconi-Osram tradition of providing the highest quality triode tubes like the PX4 and PX25 of the 1930s, New Sensor has released the Genalex Gold Lion PX300B power triode. Price includes extended burn-in and precision matching.
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Price: $44.00
Sale Price: $35.20
You Save: $8.80 (20 %)
These new production Genalex Gold Lion KT77 power tubes can directly substitute for 6CA7 or EL34 type tubes. Price includes extended burn-in and precision matching.
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These new production Genalex Gold Lion KT88 power tubes are based on the original Marconi-Osram Valve Co. made in the 1960s. Price includes extended burn-in and precision matching.
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The SED Winged C 6550 power tubes are made exclusively at the SED SPb factory in St. Petersburg and they bear the "Winged C" logo. Price includes extended burn-in and precision matching.
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These 6L6GC power tubes are made exclusively at the SED SPb factory in St. Petersburg and they bear the "Winged C" logo. The current production SED SV6L6GC tubes meet or exceed the original version. Price includes extended burn-in and precision matching.
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Price: $74.00
Sale Price: $55.50
You Save: $18.50 (25 %)
This Shuguang 211 tube is a directly heated power triode with a carbon anode capable of up to 40 watts in single ended operation. Price includes extended burn-in and precision matching.
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The Sovtek 6550WE features thicker plates, improved heat dissipation, higher transconductance, and increased linearity. The result is higher output power, greater headroom, and superior tone. Price includes extended burn-in and precision matching.
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Price: $14.50
Sale Price: $11.60
You Save: $2.90 (20 %)
The Sovtek EL84M / 6BQ5WA tube's rugged construction enables it to withstand higher plate current than other new production EL84 tube types and makes it a suitable replacement for 7189 tubes. Price includes extended burn-in and precision matching.
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These new production Tung-Sol 5881 power tubes are based on the original 1960s Tung-Sol 5881--a favorite for Fender Tweed and Bassman amps. They are a 23 Watt 6L6GB equivalent rated for 400 V. Price includes extended burn-in and precision matching.
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Price: $23.00
Sale Price: $18.40
You Save: $4.60 (20 %)
These new production Tung-Sol EL34B power tubes have a higher impedance design with increased responsiveness and a hint of the 6L6 sound. Price includes extended burn-in and precision matching.
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With a plate dissipation of 60 watts, the Tung-Sol KT120 is the most powerful tube in the 6550/KT88/KT90 family. A matched pair in push-pull configuration can deliver 150 watts of power. Price includes extended burn-in and precision matching.
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These new production Tung-Sol STR 6L6GC power tubes are built to the same Special Tube Request specs of leading 1960s amp manufacturers. These 30 Watt power tubes are rated for 500 Volts, making them a great choice for demanding guitar amp circuits.
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.
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