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PM3

Information - Help 
ID = 3795
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Triode, vacuum   Universal 
Identical to PM3
Similar Tubes
Normally replaceable-slightly different:
  4075HF ; B9
Other base:
  PM3_UV ; PM3_UX
First Source (s)
1926 : Saga of the Vacuum Tube, Tyne p.379
1926 : History of the British Radio Valve to 1940 p. 160

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 3.6 Volts / If 0.075 Ampere / Direct / Battery =
Description

GB: PM3 is a British standard dull emitter valve. 4 Volts, small signal. HF or detector use. Gm=1.05 for Va=100, Ia=1.6mA and -Vg1=3.0.

 
Text in other languages (may differ)
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature
 
uk_mullard_pm3.jpg
PM3
Alan Scott Douglas † 16.11.15

 
1_221.png
PM3: Telefunken Werkstattbuch
Wolfgang Bauer

 

from Just Qvigstad

Usage in Models 1= 1926 ; 1= 1927?? ; 1= 1927 ; 3= 1929 ; 1= 1930

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


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