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CRM121

Information - Help 
ID = 9029
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Television picture tube black+white   Indication 
Identical to CRM121
Similar Tubes
Other class quality (otherwise equal):
  CRM121A
Different maximum ratings:
  CRM121B
Base Octal-8 GB, (Mazda), K8B, MO
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 1.3 Ampere / Indirect / Specified voltage AC/DC
Description

12 inch.

Electrical equivalent of CRM121A, but needs additional insulation between neck and deflecting and focusing coils.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
Wireless World (The), London (WW, 79)   
crm121_sock.png CRM121: Ediswan-Mazda Data Book 1956-57
Anonymous 15 Collector

Just Qvigstad 		crm121_data.png
CRM121: Ediswan-Mazda Data Book 1956-57
Anonymous 15 Collector
Usage in Models 2= 1939 ; 1= 1946 ; 1= 1947? ; 3= 1948 ; 8= 1949? ; 8= 1949 ; 2= 1950 ; 1= 1951
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):26

Collection of

Michael Niermann (D)
 
crm121.jpg

 
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