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(!!) (Recommended Single) 47 Sylvania NOS 1952 (38.6ma Gm=2750)

(!!) (Recommended Single) 47 Sylvania NOS 1952 (38.6ma Gm=2750)

$ 29.99

47 Sylvania green printing 1952

38.6ma

Gm=2750

 

 

(2.5 watts)

(2.5V filament)

See more: vacuum tube
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