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ID = 25034
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Television picture tube black+white   Indication 
Identical to CRM121B
Similar Tubes
Normally replaceable-slightly different:
Different maximum ratings:
  CRM121 ; CRM121A

Base Octal-8 GB, (Mazda), K8B, MO
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 1.4 Ampere / Indirect / Specified voltage AC/DC

12 inch. Higher EHT (10kV) version of the 121 and 121A versions.

Information source Wireless World (The), London (WW, 79)   

crm121b_sock.png CRM121B: Ediswan-Mazda Data Book 1956-57
Anonymous 15 Collector

Just Qvigstad
CRM121B: Ediswan-Mazda Data Book 1956-57
Anonymous 15 Collector

Usage in Models 3= 1950 ; 4= 1951 ; 3= 1952 ; 1= 1953

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):11

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