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R12

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ID = 27876
       
Country:
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to R12 = CV426

Base Wires only.
Filament Vf 6.3 Volts / If 0.09 Ampere / Half indirect / Specified voltage AC/DC
Description

Wire ended EHT rectifier 17kV 0.5mA peak.

 
Information source -- Original-techn. papers.   
 
r12.jpg
R12: Frank Cuffe
Frank Cuffe

 
r12_so.png
R12: RTT
Michael Schlör

 
r12_brimar_no.4_p167.png
R12: Brimar Radio Valves and Teletube Manual No.4
Anonymous 1038 Collector

More ...

Usage in Models 1= 1950 ; 5= 1953 ; 8= 1954

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):14


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