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T1304

Country:  Netherlands      Brand:  Radio-Record - Röhrenmarke; Holland 
  Developer:  Radio-Record - Röhrenmarke; Holland 
  Tube type:  Vacuum Pentode   Power/Output 
  Ca. 1925 up to 1945 rare.
Tube ID = 11683
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Identical to T1304
Similar Tubes Normally replaceable-slightly different:
 E443H; PP4101; RES964

Base Europe 5-Pin (O5A, B5) (Codex=Foo)
Filament Vf 4 Volts / If: 1.1 Ampere / -: Direct / -: Parallel, (AC/DC) /
Description To avoid the Philips penthode patent,Tungsram and Radio Record made a special kind of tetrode with penthode characteristics. In most tube manuals they are listed as a penthode. 
Dimensions (WHD)
incl. pins / tip
50 x 128 x 35 mm / 1.97 x 5.04 x 1.38 inch
Weight 59 g / 2.08 oz
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   

t1304.jpg
T1304
Peter den Boer

 
t1304sockel.png
T1304
Peter den Boer

 
t1304data.png
T1304: own collection
Peter den Boer


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