(!!!!) (Best Pair) 6EU7 RCA NOS 1967 (57-50/32 and 52/56/32)
$ 89.99
1 Matched Pair) 6EU7 RCA ribbed plates NOS 1967
1 tube) 57/32 and 50/32
1 tube) 52/32 and 56/32
tested on TV-7
(6EU7=12AX7 with non-tapped filament of 6.3V wired to pins #1 and #2 to reduce hum;
claimed to be quieter than 12AX7)
Recommended for
- Echoplex
- Sherwood
- Gibson GA-5
See more: vacuum tube
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 (Best Pair) 6EU7 RCA NOS 1967 (57-50/32 and 52/56/32) "Pin It")