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G1002

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ID = 11252
       
Country:
Netherlands
Brand: Radio-Record - Röhrenmarke; Holland
Developer: Radio-Record - Röhrenmarke; Holland 
Tube type:  Double Grid Power Amplifier   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to G1002
Similar Tubes
Normally replaceable-slightly different:
  B2043 ; PP2018

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fdo) Sidecontact
Filament Vf 20 Volts / If 0.18 Ampere / Indirect / Series, DC
Description Tungsram and Radio record used a special constructed tetrode with penthode characteristics to avoid the Philips penthode patent. 
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1932
 
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G1002
Peter den Boer

 
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G1002: own collection
Peter den Boer


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