6N2 Russian Military Manufacture, USSR c.1970/80s Life expectancy: 5000hrs. A very good sound Upgrade! Expect improved tighter and deeper bass, open midrange and detailed treble with better timing and overall cohesion.
JJ ECC83S ( 12AX7 ) Guitar Amp Vacuum Tube / Valve by barebonesAmps
ECC82 (12AU7) JJ Electronic Vacuum Tube Valve Tested UK stock
VACUUM TUBE VALVE 2X SET 6N2P-EV 6N2 ECC83 6AX7 VOSKHOD ROCKET OTK 6DJ8 NOS UK
2 x JJ ECC83S ( 12AX7 ) Guitar Amp Vacuum Tube / Valve by barebonesAmps
4 x JJ EL84 ( 6BQ5 ) Matched Quad Guitar Amp Vacuum Tube / Valve by barebonesAmp
Electro Harmonix 12AX7 (also ECC83, 7025) Preamp Vacuum Tube / Valve