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12Z-P1

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ID = 25223
       
 
   
Tube type:  Vacuum Pentode   Power/Output 
Identical to 12Z-P1 = 12ZP1
Similar Tubes
Heater different:
  12Z-P1A ; 12ZP1A
Successor Tubes 12Z-P1A  
Base 6-Pin-Base U6A, old, USA
Filament Vf 12 Volts / If 150 Ampere / Indirect / Specified voltage AC/DC
Description Japan. Ua= 180 V; Ug2= 180 V; Ug1=-10V; Ia= 15mA; Ig2= 2.5mA; S= 1,75 mA/V; Na= 1 W; Ra= 12kOhm;
or Ua= 100 V; Ug2= 100 V; Ug1=-5.5V; Ia= 7 mA; S= 1,4 mA/V; (Babani) 
Information source Babani, International Radio Tube Encyclopaedia   
-- Collector info (Sammler)   
12zp1_sockel.gif 12Z-P1: KoBi
Konrad Birkner † 12.08.2014

Just Qvigstad
Usage in Models 1= 1940 ; 1= 1941? ; 1= 1942? ; 1= 1942 ; 1= 1943 ; 1= 1946 ; 1= 1947??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7
 
12zp1_a.jpg

 
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