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TH4

Information - Help 
ID = 8863
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Triode-Hexode   Frequency converter 
Identical to TH4
First Source (s)
1936 : History of the British Radio Valve to 1940

Base Europe 7-Pin (C7A, C, 1933) (Codex=Ng)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Description

Codex falsch erfasst!

 
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
gb_mullard_th4_rhre_1.jpg
TH4: R.P.
Ralf Plaga

 
554_4.png
TH4: Telefunken Werkstattbuch
Wolfgang Bauer

 
th4_techdat01.png
TH4: Mullard Valves 1936
Peter Hoddow


Usage in Models 2= 1935?? ; 12= 1936 ; 2= 1937? ; 9= 1937 ; 5= 1938 ; 4= 1939

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):34

Collection of a member from D

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