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S4_Mullard

Information - Aide 
ID = 58378
       
Pays:
Royaume Uni
Fabricant: Mullard Radio Valve Co. Ltd.;
Concepteur: Mullard Radio Valve Co. Ltd.;  
Type:  Triode, vacuum   Audio Frequency 
  <1925 très rare
Identique à S4_Mullard
Première source
1923 : History of the British Radio Valve to 1940 p. 159

Culot SPECIAL TUBEBASE in general Autre combinaison de connexion.
Utilisé par Radio/TV-reception etc.
Chauffage Vf 3.6 Volt / If 0.65 Ampère / Direct / Battery =
Description

Tube similar in appearance to MOV V24 but has a moulded cap at one end which is a smaller version of the "Interservice" IS-1 base designed by S.R.Mullard. The diameter of the base is 27 mm. The base contains the anode and grid connections and a connedtion for one end of the filament. No other information available.

 
Dimensions
(l x h x p)
incl.pins/tip
x 73 x 27 mm / x 2.87 x 1.06 inch
Bibliographie British Radio Valves - The Vintage Years: 1904-1925   Pages 37 & 118

is1_small~~2.png S4_Mullard: Fin Stewart
Fin Stewart

 

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