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

A45

Information - Help 
ID = 28383
       
Country:
Great Britain (UK)
Brand: Metropolitan-Vickers (Metro-Vick, Cosmos); GB
Tube type:  Triode, vacuum   Universal 
Identical to A45
First year 1925 Saga of the Vacuum Tube, Tyne Seite 373
First Source (s)
1927 : History of the British Radio Valve to 1940 p.155

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4.5 Volts / If 0.65 Ampere / Direct / Battery =
Description

Descendant of type R. Bright Emitter.

Story of Cosmos valves see here

 
Tube prices 2 Tube prices (visible for members only)
Information source Saga of the Vacuum Tube, Tyne   p.373
70 Years of Radiotubes and V.   p.196
 
cosmos_a45_tube_e919.jpg
A45: Ebay item September 2019
Fin Stewart

 
b4_base_pins~~162.png
A45: Fin Stewart
Fin Stewart

 
a45_spec.png
A45: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector


from 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]
  
rmXorg