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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
Similar Tubes
Normally replaceable-slightly different:
  AC/R
Successor Tubes AC/HL  

Base cosmos-AC-5-pin
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage 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. The base of this tube has three long pins - cathode, anode and grid. The heater connetions are made with two short pins.

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 173
70 Years of Radiotubes and V.   p.196
-- Collector info (Sammler)
 
cosmos_ac_g_2_fs.jpg
AC/G: Fin Stewart collection
Fin Stewart

 

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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