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(!!!!!) (Best Pair) 328A Western Electric

(!!!!!) (Best Pair) 328A Western Electric "small punch plate" NOS 1955-1958 (5.3/5.6ma) (Same Gm)

$ 569.99

1 pair) 328A Western Electric "small punch plate" NOS 1955-1958 original boxes

1 tube) 5.3ma Gm=1700

1 tube) 5.6ma Gm=1700

 

Matched on Amplitrex

Vplate=250V

Vscreen=135V

Vgrid=-3V

Good Ma = 5 - 6ma

Good Gm = 1600-1800

See more: vacuum tube
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