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(!!) (~ 2ND BEST BROWN BASE PAIR ~) CV586=EL37 Mullard brown base black plate NOS 1955-1958 (85ma and 93ma) (Very close Gm) tested on Amplitrex

$ 344.88

Sorry, this product is sold out!

1 pair) CV586=EL37 Mullard NOS black plate NOS build the same with different shape getter halos 

1 tube) 93ma Gm=10,100  (1 inverted-cup shape getter halo around 1955)

1 tube) 85ma Gm=10,000 (2 "O" getter halos 1958)


Recommended for

- CARR MERCURY 2003
- Fisher 80-AZ

See more: vacuum tube
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