(!!!) 6EU7 RCA used/good 1963 (38/32 and 52/32)

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6EU7 RCA used/good 1963 (ND) 38/32 52/32 (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 - She rwood - Echoplex - Gibson GA-5 Show more