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HL134DD

Information - Help 
ID = 30286
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Double Diode-Triode   Audio Frequency   Controlling (mu) 
Identical to HL134DD

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 13 Volts / If 0.2 Ampere / Indirect / Series, AC/DC
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 298
 

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