(!!) 6EA7 Sylvania NOS 1960 era (2.1/43ma)

6EA7 Sylvania NOS 1960 era

2.1ma Gm=2200 (triode)

43ma Gm=6200 (pentode)

Tested on Amplitrex

Good Ma Triode = 1.4ma Gm=1500

Good Ma Pentode = 35-40ma Gm=6000-7000

for:

Joule Electra LA-100 MK3
Modwright power supply
Wright Sound phono wpp-200c
Wright Sound WLA12A preamp
Kenji Mizushima Kenso
Music Reference 6EM7 amp
Welbourne Apollo mono amps (KR/VAIC VV52B or 300B output tubes)