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A104

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ID = 29370
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 rare.
Identical to A104
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 1 Volts / If 0.06 Ampere / Direct / Battery =
Description

LF amplification and output. Also listed in L'ABCDes Lampes de TSF

 
Dimensions (WHD)
incl. pins / tip		 42 x 88 x 29 mm / 1.65 x 3.46 x 1.14 inch
Weight 33 g / 1.16 oz
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 78, p. 107
- - Manufacturers Literature   1925
Babani, International Radio Tube Encyclopaedia
L'ABCDaire des lampes de TSF des jeunes années
b4direct_29.png A104
Peter den Boer

Just Qvigstad 		a104data.png
A104: own collection
Peter den Boer

Collection of

Peter den Boer (NL)
 
a104.jpg

 
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