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Description
1 low noise tube) 6EU7 RCA NOS ribbed plates 1970's
51/32
60/32
(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
- Sherwood
- Echoplex
- Gibson GA-5
