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PM1A

Information - Help 
ID = 14608
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Triode, vacuum   Audio Frequency 
Identical to PM1A = 210RC_Cossor = 210RC
Similar Tubes
Other characteristic (electr. data):
  PM1 ; PM1HF ; PM1HL ; PM1LF
Other base:
  PM1A_UX

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 2 Volts / If 0.1 Ampere / Direct / Battery =
Description Gm=1.2mA/V at Va=100, Ia=0.5mA and -Vg1=0.5 
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
 
pm1a.jpg
PM1A: RFJ
Roy Johnson

More ...
 
1_100.png
PM1A: Telefunken Werkstattbuch
Wolfgang Bauer

 
uk_mullard_pm1a_data.png
PM1A: From the collection of Andy Cowley (29MAR1948-23APR2012)
Jay Kinnard


from Just Qvigstad

Usage in Models 1= 1929? ; 1= 1929 ; 1= 1932

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


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