radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

P425A

Information - Help 
ID = 19044
       
Country:
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Developer: Standard Telephones and Cables Ltd. (STC); London, Foots Cray 
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 very rare. ***
Identical to P425A

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Telephony
Filament Direct / Parallel / series AC/DC
 
standard_p425a.jpg
P425A: Anonymous Australian Collector
Fin Stewart

 
uv~~33.png
P425A: Fin Stewart
Fin Stewart

 

Usage in Models 1= 1926

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

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