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AC2HL

Information - Help 
ID = 13721
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Triode, vacuum   Audio Frequency 
Identical to AC2HL
Similar Tubes
Normally replaceable-slightly different:
  41MH ; 4DXAC ; 904V ; A30B ; MH41
Other class quality (otherwise equal):
  CV2806 ; CV2807
Other characteristic (electr. data):
  484V

Base Europe 5-Pin (O5A, B5) (Codex=F)
Filament Vf 4 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Description Va <200; Typ:- Va=100; Vg=0; gm=6.5 Ra= 11500 (Mazda data book)
Available in metallised and un-metallised versions. 
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
 
ac2hl.jpg
AC2HL: R. Aufils
Raynal Aufils

 
7_48.png
AC2HL: Telefunken Werkstattbuch
Wolfgang Bauer

 
achl_ac2hl.png
AC2HL: own collection
Peter den Boer


Usage in Models 2= 1931? ; 2= 1931 ; 1= 1932? ; 8= 1932 ; 1= 1934 ; 1= 1938?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):15


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