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ID = 46495
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Triode, vacuum   Power/Output 
Identical to PM256A
First year Jun.1930 Experimental Wireless & Wireless Engineer Mullard Advertisement June 1930

Base Europe 4-Pin (A, 4A, B4, since 1914)
Filament Vf 6 Volts / If 0.25 Ampere / Direct / Parallel, (AC/DC)
Description Va <200; Ra 1,400 ohms gm 2.6mA/V at Va=100 and Vg=0 
Literature - - Manufacturers Literature   Advertisement June 1930
PM256A: Manufacturer's Data
Roy Johnson


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