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ID = 3810
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Space Charge Tetrode   Audio Frequency 
Identical to 12DS7
First Source (s)
26.May.1958 : Electron Tube Registration List

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 / Parallel, (AC/DC)

Car radio space charging tetrode for Ub 12 v whith two diodes

Text in other languages (may differ)
Tube prices 2 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
12DS7: Collection JR
Jacob Roschy

12DS7: GE Data Sheet
Egon Penker

12DS7: GE Data Sheet
Egon Penker

from Just Qvigstad

Usage in Models 11= 1959? ; 5= 1959 ; 16= 1960? ; 1= 1960 ; 4= 1961? ; 5= 1962? ; 2= 1963?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):44

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