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(!!!!) (Best Pair) 45 Tungsol ST-14 NOS and like new 1940's same build (31ma and 32.6ma)

$ 269.99

1 pair) 45 Tungsol ST-14 NOS 1940's - same internals - very good condition - in white boxes

1 tube) 31ma Gm=2000 Tungsol (NOS) excellent condition

1 tube) 32.6ma Gm=2120 Aristocrat (like new) excellent condition

 

Tested on Amplitrex

Vplate=275V

Vgrid=-54.8V

Good NOS ma 25-35ma

Good NOS Gm 1800-2000

 

Recommended for:

Tektron

Deja Vu

Victor RE-36 1929

DIY

 

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