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HL23

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ID = 14313
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Triode, vacuum   Audio Frequency 
Identical to HL23
Similar Tubes
Other class quality (otherwise equal):
  CV1130 ; CV2994
Successor Tubes CV1130  

Base Octal-8 GB, (Mazda), K8B, MO (Codex=Vo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.05 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   
History of the British Radio Valve to 1940   p. 181
- - Manufacturers Literature

622_1.png HL23: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
hl23_mazda_data_01.png
HL23: Original data sheet
Otto Galli

More ...
Usage in Models 1= 1939? ; 1= 1942? ; 1= 1960

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3

Collection of

 
hl23.jpg

HL23
 

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