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PM1LF

Information - Help 
ID = 14611
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Triode, vacuum   Audio Frequency 
Identical to PM1LF = 3_Common = 210LF
Similar Tubes
Normally replaceable-slightly different:
  CV3642
Other class quality (otherwise equal):
  CV1307
Other characteristic (electr. data):
  PM1 ; PM1A ; PM1HF ; PM1HL

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 2 Volts / If 0.1 Ampere / Direct / Battery =
Description Gm 0.9. Ia=2.5mA for Va=100 and -Vg=4.5; 
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
 
gb_pm1lf.jpg
PM1LF: PM1LF
John Koster

 
1_103.png
PM1LF: Telefunken Werkstattbuch
Wolfgang Bauer

 
uk_mullard_pm1lf_data.png
PM1LF: From the collection of Andy Cowley (29MAR1948-23APR2012)
Jay Kinnard


from Just Qvigstad

Usage in Models 1= 1925? ; 1= 1926 ; 1= 1927? ; 1= 1927 ; 5= 1928?? ; 2= 1928? ; 2= 1928 ; 3= 1929?? ; 2= 1929 ; 2= 1930? ; 1= 1930 ; 1= 1931? ; 3= 1931 ; 1= 1932? ; 5= 1932 ; 1= 1933?? ; 8= 1933? ; 4= 1934? ; 1= 1935? ; 1= 1936

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):46


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