(!!!!) (Best Pair) 6EU7 RCA NOS 1967 (57-50/32 and 52/56/32)
$89.99
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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
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