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41MHF

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ID = 13455
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Triode, vacuum   Audio Frequency 
Identical to 41MHF = A4110 = REN904 = TL425 = TE24 = 70504
Similar Tubes
Normally replaceable-slightly different:
  ACHL ; MH4 ; SN4
Heater different:
  354V
First Source (s)
1929 : History of the British Radio Valve to 1940 p.173 & 178

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
7_53.png
41MHF: Telefunken Werkstattbuch
Wolfgang Bauer

 

from Just Qvigstad

Usage in Models 1= 1935?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

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