radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

PR-12

Information - Help 
ID = 86996
       
Country:
United States of America (USA)
Brand: General Electric Co. (GE); Bridgeport CT, Syracuse NY
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to PR-12
Similar Tubes
Normally replaceable-slightly different:
  UV211
Other class quality (otherwise equal):
  PR-11-A
Base Jumbo 4-pin bayonet (1918)
Was used by Industrial
Filament Vf 10 Volts / If 3.25 Ampere / Direct
Description

This tube apparently used in GE carrier-current systems. Special PR-11-A

 
Information source Tube Lore (II)   p. 214

Just Qvigstad
 
You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
Data Compliance More Information