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PA1_Mullard

Information - Help 
ID = 28861
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Developer: Mullard Radio Valve Co. Ltd.;  
Tube type:  Triode, vacuum   Power/Output 
  <1925 rare.
Identical to PA1_Mullard
First year 1923 ? 70 Years of Radiotubes and V. p241
First Source (s)
1924 : British Radio Valves - The Vintage Years, Thrower p.37,38

Base Europe 4-Pin (A, 4A, B4, since 1914)
Filament Vf 6 Volts / If 1.5 Ampere / Direct / Battery =
Description Bright emitter output power valve. 
Dimensions (WHD)
incl. pins / tip
x 150 x 60 mm / x 5.91 x 2.36 inch
 
mullard_pa1.jpg
PA1_Mullard: Anonymous Australian Collector
Fin Stewart

 
pa1_spec.png
PA1_Mullard: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector


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