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Preamp tubes

 
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(!!!) (Recommended GE Pair) 12SL7GT RCA black plates NOS 1969 (2.0/2.1ma and 2.1/2.1ma) 1% matched

(!!!) (Recommended GE Pair) 12SL7GT RCA black plates NOS 1969 (2.0/2.1ma and 2.1/2.1ma) 1% matched

$ 20.99
(!!!) (Recommended GE Pair) 12SL7GT RCA black plates NOS 1974 (2.1/2.2ma and 2.3/2.4ma) (same Gm)

(!!!) (Recommended GE Pair) 12SL7GT RCA black plates NOS 1974 (2.1/2.2ma and 2.3/2.4ma) (same Gm)

$ 18.99
(!!) (Best Pair) 12SL7GT GE NOS 1969 (2.4/2.6ma and 2.6/2.7ma)

(!!) (Best Pair) 12SL7GT GE NOS 1969 (2.4/2.6ma and 2.6/2.7ma)

$ 17.99
12SL7GT GE branded RCA NOS 1970's (2.2/2.4ma)

12SL7GT GE branded RCA NOS 1970's (2.2/2.4ma)

$ 8.99
12SL7GT GE NOS 1966 (2.0/2.3ma)

12SL7GT GE NOS 1966 (2.0/2.3ma)

$ 9.99
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