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ACVS

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ID = 12532
       
Country:
Great Britain (UK)
Brand: Graham Farish Ltd.; Bromley
Tube type:  Screen-grid Tetrode   Audio Frequency   Controlling (mu) 
Identical to ACVS
Similar Tubes
Normally replaceable-slightly different:
  MM4V
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79)

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect
Description

This is a variable mu tube

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
History of the British Radio Valve to 1940   p. 144
Universal Vade-Mecum, Electron Valves and Semiconductor Devices

s_8_g_2.gif ACVS: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20


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