(!!) (Best Single) 6550 Tungsol gray plate with vent holes NOS 1966 (163ma)
$ 389.99
6550 Tungsol gray plate with vent holes NOS 1966
163ma
Gm=12,000
Good mA range 120-140mA
Good Gm range 10,000-11,000
See more: vacuum tube
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 (Best Single) 6550 Tungsol gray plate with vent holes NOS 1966 (163ma) "Pin It")
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