6N7 RCA used/tests like new 1942 era (3.3/3.1ma)
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6N7 RCA used/tests like new 1942 era
3.3ma Gm=1600
3.1ma Gm=1500
(6N7=6A6=ECC31, 6N7=Type 53 with different filament voltage, also see 5694)
(the best sounding 6N7 type ever made is the ECC31 Mullard)
- Sun Audio SV-6V6SE 2008
See more: vacuum tube
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