1 pair) 6EU7 RCA NOS 1965 (AV)

1 tube) 52/32 and 57/32 

1 tube) 51/32 and 55/32 

Matched on TV-7D/U

(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