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MH41

Information - Help 
ID = 3183
       
Country:
Great Britain (UK)
Brand:
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 rare.
Identical to MH41 = CV1505 = CV1678 = VT110_GPO
Similar Tubes
Normally replaceable-slightly different:
  41MH ; 4DXAC ; 904V ; A30B ; AC2HL
Other characteristic (electr. data):
  484V
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 / Specified voltage AC/DC
Description

The Australian GPO number is Z8154.

 
Tube prices 1 Tube prices (visible for members only)
Information source - - Manufacturers Literature   
History of the British Radio Valve to 1940   p. 147 & 178
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49
mh41_so.png MH41: rtt
Anonymous 10 Collector

Just Qvigstad 		mh41_data.png
MH41: MARCONI RECEIVING VALVES, LONDON, 1938
Jose Casas-Avalos
Usage in Models 1= 1931 ; 1= 1934? ; 5= 1935 ; 6= 1936 ; 2= 1937
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):15

Collection of

Wesselin Tzenow † 25.5.10 (D)
 
mh41_gecovalve_p01_s.jpg

MH41
 
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