Tags:
Categories:
6EU7 Sylvania pinched gray plates NOS 1970's
67/32
70/32
(6EU7=12AX7 with non-tapped filament of 6.3V wired to pins #1 and #2 to reduce hum; claimed to be quieter than 12AX7)
- Sherwood
- Echoplex
- Gibson GA-5