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ID = 5369
Tube type:  Space Charge Tetrode   Audio Frequency 
Identical to 12DS7A

Base Noval, 9 pin miniature (USA pico-9) B9A
Was used by Radio/TV-reception etc.
Filament Vf 12.6 Volts / If 0.4 Ampere / Indirect / Specified voltage AC/DC

Autoradioröhre für 12V Betriebsspannung. Es sind zusätzlich zwei Diodenstrecken eingebaut.

Information source Essential Characteristics, GE 1973   

12ds7a_sockel.png 12DS7A: Essential characteristics
Peter Hoddow

Just Qvigstad

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