JJ Tesla / 6SN7GT-JJ TESLA

6SN7GT-JJ TESLA 6SN7GT-JJ TESLA Click on image(s) above to view larger
£20.00
Select Test Options
  • Factory Tested
  • Balanced (Triodes)

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All prices contained on this page are exclusive of VAT. This is currently charged at 20% and is payable by the UK only.


A test report is available click here to view

The JJ factory was born out of the ashes of the former Tesla factory. They currently make a range of High quality valves based on some of Tesla most famous designs.
JJ 6SN7GT follows the American design of the 1950s but JJ have also made some excellent improvements to the 6SN7 which has resulted in a beautiful sounding audio valve.

JJ have used a thick glass envelope with a solidly constructed anode plate. These plates are supported with a metal clasps which are supported by connecting the top and bottom to the mica. This results in the valve being very resilient to microphonics and vibration.

JJ have also managed to produce an audio sound that rivals the best sounding vintage 6SN7 valves. It maintains a superb linear response and clear and musical sound characteristics.

Many customers have been thrilled with the performance of the JJ 6SN7 and at last we have found a superior sounding valve with ultra low noise at a sensible price

We offer two options:

1) Factory tested
2) Balanced -matched triode sections for Phase splitter, Audio & Tube microphones

All Balanced preamp valves are Dynamically Drive tested under real working condition and are matched on dB gain. They also have passed the following tests:

Gain (db) Drive Tested
Transconductance (gm) Drive Tested
Output Drive Tested
Noise 1 (signal to noise)
Noise 2 (Aural)
Microphonics Test 1(Ambient)
Microphonic Test 2 (Shock)
Cathode Test
Grid Leakage Test


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