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6EM7 Sylvania NOS 1960's (1.7ma/75ma)

6EM7 Sylvania NOS 1960's (1.7ma/75ma)

$ 29.99

6EM7 Sylvania NOS 1960's

1.7ma Gm=1800 (triode)

75ma Gm=8800 (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)

 

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