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ACTH1

Information - Help 
ID = 8615
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Triode-Heptode   Frequency converter 
Identical to ACTH1
Similar Tubes
Other base:
  ACTH1A

Base British-7-Pin, old (M7A) (Codex=Nao) Top contact with a cap
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1.3 Ampere / Indirect / Parallel, (AC/DC)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
e_mazda_ac_th1.jpg
ACTH1: PROPIA
Pedro Prieto-Castro

 
560_1.png
ACTH1: Telefunken Werkstattbuch
Wolfgang Bauer

 
acth1_spec1.png
ACTH1: data-sheet
Anonymous 15 Collector


Usage in Models 1= 1935?? ; 2= 1936? ; 4= 1936 ; 2= 1937? ; 29= 1937 ; 1= 1938? ; 31= 1938

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):70


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