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(!!!!) (READ REVIEW) GB-5931 Sylvania brown base gold brand 1960's (60/40 and 65/40)

(!!!!) (READ REVIEW) GB-5931 Sylvania brown base gold brand 1960's (60/40 and 65/40)

$ 0.00
(!!!!) (Recommended GE Pair) 5U4GB GE NOS 1966 (56-59/40 and 56-58/40)

(!!!!) (Recommended GE Pair) 5U4GB GE NOS 1966 (56-59/40 and 56-58/40)

$ 54.99
(!!!!) (Recommended Pair) 12BH7A GE branded Zenith and Daystrom gray oval plates

(!!!!) (Recommended Pair) 12BH7A GE branded Zenith and Daystrom gray oval plates "O" getter NOS 1960's (11.0/11.3ma and 10.3/10.5ma)

$ 119.99
(!!!!) (Recommended Pair) 417A Western Electric NOS 1969 (28ma and 33ma)

(!!!!) (Recommended Pair) 417A Western Electric NOS 1969 (28ma and 33ma)

$ 299.99
(!!!!) (Recommended Pair) 6BQ5 Sylvania black plate NOS 1970 era (63ma and 68ma)

(!!!!) (Recommended Pair) 6BQ5 Sylvania black plate NOS 1970 era (63ma and 68ma)

$ 149.99
(!!!!) (Recommended Pair) 6BX7GT RCA NOS 1965-1966 (61.5/54ma and 49.2/58ma)

(!!!!) (Recommended Pair) 6BX7GT RCA NOS 1965-1966 (61.5/54ma and 49.2/58ma)

$ 39.99
(!!!!) (Recommended Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (48-48/40 and 49-49/40)

(!!!!) (Recommended Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (48-48/40 and 49-49/40)

$ 47.99
(!!!!) (Recommended Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (47-48/40 and 48-48/40)

(!!!!) (Recommended Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (47-48/40 and 48-48/40)

$ 49.99
(!!!!) (Recommended Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (49-49/40 and 48-49/40)

(!!!!) (Recommended Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (49-49/40 and 48-49/40)

$ 49.99
(!!!!) (Recommended Pair) 7N7 Sylvania branded GE chrome top NOS 1954-1956 (7.4/7.0ma and 7.4/7.2ma) 1-2% matched

(!!!!) (Recommended Pair) 7N7 Sylvania branded GE chrome top NOS 1954-1956 (7.4/7.0ma and 7.4/7.2ma) 1-2% matched

$ 49.99
(!!!!) (Recommended Single) 6DJ8 Philips Miniwatt Holland NOS 1960 era large

(!!!!) (Recommended Single) 6DJ8 Philips Miniwatt Holland NOS 1960 era large "O" getter halo (18.0/19.4ma)

$ 179.99
(!!!!) (Recommended Single) JG-6072 GE black plates triple mica

(!!!!) (Recommended Single) JG-6072 GE black plates triple mica "U" getter halo like new 1950's (2.5/3.1ma) (recommended for guitar amp or mic preamp)

$ 199.99
(!!!!) (Recommended Single) PCC88=7DJ8 Mullard Holland NOS 1973 (11.5/13.8ma)

(!!!!) (Recommended Single) PCC88=7DJ8 Mullard Holland NOS 1973 (11.5/13.8ma)

$ 54.99
(!!!!) (Single 1950's) 12BH7A RCA branded Westinghouse narrow black plates NOS

(!!!!) (Single 1950's) 12BH7A RCA branded Westinghouse narrow black plates NOS "U" getter mid-1950's (10.6/7.4ma) (1st series made)

$ 64.99
(!!!!) (Single) 12AT7 Philips by Mullard UK NOS 1965 (14.3/8.5ma)

(!!!!) (Single) 12AT7 Philips by Mullard UK NOS 1965 (14.3/8.5ma)

$ 69.99
(!!!!) (Single) 12AX7 RCA Motorola black plates

(!!!!) (Single) 12AX7 RCA Motorola black plates "D" getter used/good 1953 (0.8/0.8ma and Gm=1400/1400) 1% section balance

$ 99.99
(!!!!) (Single) 12BH7 Tungsol branded Shield gray oval plates

(!!!!) (Single) 12BH7 Tungsol branded Shield gray oval plates "U" getter halo NOS 1961 (11.8/16.5ma) (Highest mA and Gm)

$ 59.99
(!!!!) (Single) 12BH7A GE gray oval plates NOS mid-1960's (11.5/16ma)

(!!!!) (Single) 12BH7A GE gray oval plates NOS mid-1960's (11.5/16ma)

$ 54.99
(!!!!) (Single) 5692 RCA RED BASE black plates used/good 1953 (7/8ma) (Schiit Saga+)

(!!!!) (Single) 5692 RCA RED BASE black plates used/good 1953 (7/8ma) (Schiit Saga+)

$ 169.99
(!!!!) (Single) 6922=E88CC Siemens Halske Germany branded RCA gray shield used 1966 (12/9.2ma)

(!!!!) (Single) 6922=E88CC Siemens Halske Germany branded RCA gray shield used 1966 (12/9.2ma)

$ 49.99
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