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T1304_RR

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ID = 11683
       
Country:
Netherlands
Brand: Radio-Record - Röhrenmarke; Holland
Developer: Radio-Record - Röhrenmarke; Holland 
Tube type:  Vacuum Pentode   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to T1304_RR
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_RR
Peter den Boer

 
t1304sockel.png
T1304_RR
Peter den Boer

 
t1304data.png
T1304_RR: own collection
Peter den Boer



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