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PM12M_UX

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ID = 71988
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu) 
Identical to PM12M_UX
Similar Tubes
Other base:
  PM12M

Base UX-Base (4 Pins (2 thick, USA 1924, UX) Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.18 Ampere / Direct / Battery =
Description

Va<150; Vg2<90; Gm=1.4mA/V at -Vg1=0; Gm=0.014mA/V at -Vg1=7.
Original documentation calls it a "Multi-Mu" valve.

 

pm12m_ux_4.png PM12M_UX: W.H.
Wolfgang Holtmann


Just Qvigstad

Collection of

 
pm12m_ux.jpg

 

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