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AC/G

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ID = 36630
       
Country:
Great Britain (UK)
Brand: Metropolitan-Vickers (Metro-Vick, Cosmos); GB
Tube type:  Triode, vacuum   Universal 
  Ca. 1925 up to 1945 very rare. ***
Identical to AC/G
Successor Tubes AC/HL  

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Indirect / Parallel, (AC/DC)
Description

"Green Spot" Ra 17,500. gm 2 mA/V. Some of the AC/G tubes made by the Metropolitan Vickers Company Ltd for the Gramophone Company Ltd had this name is printed on the glass, as well as the "His Masters Voice" logo.

Story of Cosmos valves see here

 
Dimensions (WHD)
incl. pins / tip
x 125 x 55 mm / x 4.92 x 2.17 inch
Weight 58 g / 2.05 oz
Information source History of the British Radio Valve to 1940   page 175
70 Years of Radiotubes and V.   p.196
 
acg_cosmos.jpg
AC/G: Advertisement 1928
Roy Johnson

 

from Just Qvigstad

Usage in Models 2= 1929

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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