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(!!) (Recommended Pair) 6DN7 GE branded RCA and Sylvania NOS 1960 era same build (39ma/37.6ma and 6.5/6.6ma)

(!!) (Recommended Pair) 6DN7 GE branded RCA and Sylvania NOS 1960 era same build (39ma/37.6ma and 6.5/6.6ma)

$ 39.99

1 pair) 6DN7 GE branded RCA and Sylvania NOS 1960 era same build

(1 plate) black (1 plate) gray

1 tube) 39/6.5ma Gm=7700/2200 (RCA) LV=1960)

1 tube) 37.6/6.6ma Gm=7500/2200 (Sylvania)

 

Tested on Amplitrex

1 section) Good NOS Ma=35-40ma and Gm=7000-7700

1 section) Good NOS Ma=7-8ma and Gm=2200-2500

 

- Bottlehead S.E.X. amp (Headphone amp)
- Bottlehead SMACK
- CONN organ console amp 1970's 2 channel
- MFA Luminence preamp 1990

See more: vacuum tube
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