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AC/TP

Information - Help 
ID = 22828
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Developer: Mazda = Valve (Tube) brand GB (see also France) 
Tube type:  Triode-Pentode 
  Ca. 1925 up to 1945 very rare. ***
Identical to AC/TP = VT170_GPO = CV1718

Base B9 British 9-Pin Top contact with a cap
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1.25 Ampere / Indirect / Parallel, (AC/DC)
Description

Anode; 250V und 6,5mA; 200V und 2,5mA; Steuergitter: - 5V; Steilheit: 0,7mA/V

 
Dimensions (WHD)
incl. pins / tip
x 142 x 45 mm / x 5.59 x 1.77 inch
Literature Babani, International Radio Tube Encyclopaedia   Pages 48-49
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Pages 702-703
 
gb_mazda_actp_valve.jpg
AC/TP: Mazda AC/TP
Howard Craven

 
actp~~2.png
AC/TP: Fin Stewart
Fin Stewart

 
actp_spec.png
AC/TP: data-sheet
Anonymous 15 Collector


Usage in Models 1= 1933?? ; 1= 1933 ; 1= 1934?? ; 2= 1934? ; 19= 1934 ; 13= 1935 ; 12= 1936 ; 6= 1937

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):55


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