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(!!!!) (BEST BROWN BASE PAIR 1960's) EL37 Mullard NOS brown base gray plate NOS 1962-1966 (77ma and 85ma) (close Gm matching)

(!!!!) (BEST BROWN BASE PAIR 1960's) EL37 Mullard NOS brown base gray plate NOS 1962-1966 (77ma and 85ma) (close Gm matching)

$ 318.88

1 pair) EL37 Mullard NOS brown base gray plate, 2 round getter halos 1962 and 1966

1 tube) 77ma Gm=9,800 (1966)

1 tube) 85ma Gm=10,000 (1962)

 

Recommended for

- CARR MERCURY 2003
- Fisher 80-AZ

See more: vacuum tube
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