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PM2BA

Information - Help 
ID = 16186
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Double Triode   Power/Output 
Identical to PM2BA
Similar Tubes
Normally replaceable-slightly different:
  BB240A ; CV1163 ; K33B ; PD220A
Successor Tubes NR35   CV1163  

Base British-7-Pin, old (M7A) (Codex=No)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.2 Ampere / Direct / Battery =
Description

Designed for class B operation. With small grid bias it results in improved reproduction at low signal levels (1935 data book).

 
Information source History of the British Radio Valve to 1940   p. 150 & 167
-- Original-techn. papers.   
- - Manufacturers Literature
Babani, International Radio Tube Encyclopaedia

518_3.png PM2BA: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
Usage in Models 1= 1930 ; 3= 1933? ; 1= 1934 ; 1= 1935? ; 1= 1935

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7

Collection of

 
pm2ba_1.jpg

PM2BA
 

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