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(!!!) (slightly microphonic) 5687 Tungsol black plates

(!!!) (slightly microphonic) 5687 Tungsol black plates "U" getter halo branded GE NOS 1950's (36/40ma)

$ 29.99

1 low noise tube) 5687 Tungsol black plates "U" getter halo branded GE NOS 1950's in white box

1 section) 36ma Gm=11,000

1 section) 40ma Gm=11,800

 

 

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