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M61HF

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ID = 82641
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Triode, vacuum   Audio Frequency 
Identical to M61HF
Similar Tubes
Other characteristic (electr. data):
  M61LF

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 2 Top contacts.
Was used by Radio/TV-reception etc.
Filament Vf 6 Volts / Indirect / Specified voltage AC/DC
Description

This is an early AC type tube based on the design of Kellogg and McCullough.

 
Information source -- Collector info (Sammler)   


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