(!!) (Best Value) 12AX7=ECC83 Zaerix East Germany NOS 1970's (Gm=1500/1500) 1% section balance
(!) 12AX7=CV492 RFT East Germany 1970's like new (Gm=1500/1500)
6EJ7 GE NOS (7.3ma)
6EJ7 RCA by Siemens Germany NOS 1971 (10ma)
6EJ7 RCA by Siemens Germany NOS 1972 (12.4ma)
6EJ7 RCA East Germany NOS 1970's (13.5ma)
6EJ7 Sylvania NOS (10.2ma)
6EJ7 Sylvania NOS (9ma)
6EJ7 Zaerix East German NOS 1970's (12ma) strong single