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9D7

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ID = 18691
       
Country:
Great Britain (UK)
Brand: Brimar (STC); Foots Cray
Tube type:  Vacuum Pentode 
Identical to 9D7

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   

9d7.png
9D7: Courtesy Bureau Belper (De Muiderkring, Bussum)
Anonymous 10 Collector

9d7_sock_1.gif 9D7: Universal Vademecum, 1960
Anonymous 15 Collector

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Just Qvigstad
9d7_diagr.png
9D7: Brimar Manual
Heinz Höger

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Usage in Models 1= 1958 ; 5= 1959? ; 3= 1959 ; 1= 1960?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):10

Collection of

 
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