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P2-12

Information - Help 
ID = 82447
       
Country:
France
Brand: SFR (S.F.R.) - Société Française Radio-Électrique; Paris
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Double Beam Power Tube   UHF 
  Ca. 1925 up to 1945 rare.
Identical to P2-12
Similar Tubes
Normally replaceable-slightly different:
  832A ; QQE04/20
First Source (s)
Mar.1955 : - - Manufacturers Literature

Base Septar (1+6 pins) 2 Top contacts.
Was used by Transmittertube (Radio)
Filament Vf 12.6 Volts / If 0.8 Ampere / Indirect / Specified voltage AC/DC
Description

Also operation with 6.3 V and 1.6 A per central filament connection
Similar to the 832A with a straight glass bulb.Similar to the 832A with a straight glass bulb.

 
Text in other languages (may differ)
Information source - - Manufacturers Literature   

sp9a_g~~1.gif P2-12: RTT Schwandt
Günther Stabe † 19.8.20

brans_61_63_page_354_355_s~~3.png
P2-12: Brans Vademecum 1961-63
Patrice Zeissloff

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