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(!) 47 Cunningham used/tests like new 1948 (28ma Gm=2430)

(!) 47 Cunningham used/tests like new 1948 (28ma Gm=2430)

$ 21.99

1 tube) 47 Cunningham used/tests like new 1948 in white box

28ma

Gm=2430

 

NOS Ma range 26-31ma

NOS Gm range 2300-2500

 

 

(2.5 watts)

(2.5V filament)

See more: vacuum tube
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