6N7 RCA metal can used/good (6 in stock)
By Tube World
$ 4.99
6) 6N7 RCA used/good 1940's - 1950's
(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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