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PM1LF

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ID = 14611
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Triode, vacuum   Audio Frequency 
Identical to PM1LF = 3_Common = 210LF = TB102
Similar Tubes
Normally replaceable-slightly different:
  CV3642 ; HL2_Clarion ; TD2
Other class quality (otherwise equal):
  CV1307
Other characteristic (electr. data):
  PM1 ; PM1A ; PM1HF ; PM1HL
First Source (s)
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 2 Volts / If 0.1 Ampere / Direct / Battery =
Description

Gm 0.9. Ia=2.5mA for Va=100 and -Vg=4.5;

 
Information source L'ABCDaire des lampes de TSF des jeunes années   p. 79
- - Manufacturers Literature   
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49
1_103.png PM1LF: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad 		uk_mullard_pm1lf_data.png
PM1LF: From the collection of Andy Cowley (29MAR1948-23APR2012)
Jay Kinnard
Usage in Models 1= 1925? ; 1= 1926 ; 1= 1927 ; 5= 1928?? ; 3= 1928? ; 2= 1928 ; 3= 1929?? ; 1= 1929? ; 2= 1929 ; 1= 1930? ; 1= 1930 ; 2= 1931? ; 3= 1931 ; 2= 1932? ; 5= 1932 ; 1= 1933?? ; 8= 1933? ; 1= 1934?? ; 3= 1934? ; 1= 1935? ; 1= 1936
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):48

Collection of

Antonio Varrica (I)
Pedro Prieto-Castro (E)
Frank Cuffe (IRL)
Collection of a member from D
John Koster (NL)
 
gb_pm1lf.jpg

PM1LF
 
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