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M72

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ID = 16048
       
Country:
Netherlands
Brand: Radio-Record - Röhrenmarke; Holland
Developer: Radio-Record - Röhrenmarke; Holland 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to M72
Similar Tubes
Normally replaceable-slightly different:
  B205
First year 1927 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 2 Volts / If 0.35 Ampere / Direct / Battery =
Dimensions (WHD)
incl. pins / tip
40 x 106 x 32 mm / 1.57 x 4.17 x 1.26 inch
Weight 35 g / 1.23 oz
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1927
 
m72.jpg
M72
Peter den Boer

 
m72_sock.png
M72: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

 
m72.png
M72: own collection
Peter den Boer


Collection of a member from D

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