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6939 Amperex high gain twin tetrode
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6939 Amperex high gain twin tetrode 6939 Amperex high gain twin tetrode

6939 Amperex high gain twin tetrode

Only 5 left!

6939, Amperex, high gain twin tetrode, 

Amperex 6939 high gain twin tetrode for use as a Class C amplifier, oscillator, frequency multiplier and modulator. 12.6v filament.

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