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

VT144_GPO

Information - Help 
ID = 48389
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Transmitting Tube, Pentode, air cooled 
  Ca. 1925 up to 1945 very rare. ***
Identical to VT144_GPO = ATP75 = CV1371 = PT6
Similar Tubes
Normally replaceable-slightly different:
  NT38 ; PZ1-75 ; SW75Pen

Base SPECIAL TUBEBASE in general Top contact with a cap.
Was used by Telephony
Filament Vf 10 Volts / If 2 Ampere / Direct / Specified voltage AND current AC/DC
Description

4-pin base similar to Americn 50 watt transmitting base. 75W plate dissipation.

 
Information source -- Original-techn. papers.   
 
pt6_7.png
VT144_GPO: Manufacturer's Literature
Emilio Ciardiello

 
cv1371atp75vt144_1.png
VT144_GPO: Manufacturer's Literature
Emilio Ciardiello

More ...

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]
  
rmXorg