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AC2/Pen

Information - Help 
ID = 10908
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Vacuum Pentode   Power/Output 
Identical to AC2/Pen
Similar Tubes
Normally replaceable-slightly different:
  A70C ; A70D ; N41 ; Pen4VB ; PenA4
First Source (s)
Mar.1934 : -- Collector info (Sammler)
Base British-7-Pin, old (M7A) (Codex=Ndo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1.7 Ampere / Indirect / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip		 54 x 130 x mm / 2.13 x 5.12 x inch
Information source History of the British Radio Valve to 1940   p. 148 & 190
- - Manufacturers Literature   
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49
161_2.png AC2/Pen: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad 		ac2pen_1.png
AC2/Pen: own collection
Peter den Boer
More ...
Usage in Models 2= 1933? ; 1= 1933 ; 1= 1934?? ; 4= 1934? ; 10= 1934 ; 3= 1935?? ; 2= 1935? ; 13= 1935 ; 1= 1936? ; 6= 1936 ; 4= 1937 ; 4= 1938
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):51
Museum "Wireless In Wales Museum"

Collection of

Collection of a member from D
Antonio Varrica (I)
Bart Slager (F)
Siegfried Raedel (D)
 
ac2pen_optimized.jpg

AC2/Pen
 
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