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PM4DX

Information - Help 
ID = 14627
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Triode, vacuum   Detector 
Identical to PM4DX
Similar Tubes
Normally replaceable-slightly different:
  1515 ; 410LF ; CV1151 ; CV1152 ; D15 ; HX406 ; SM414
Other base:
  PM4DX_UX
Successor Tubes NR15  

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 3.8 Volts / If 0.1 Ampere / Direct / Series, DC
Description

Heater Voltage range 3.8 to 4V.

The PM4DX is also listed as suitable for battery sets as well as for series DC operation.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   Tube manual 1934-35
 
pm4dx_1.jpg
PM4DX: minha colecçao
Fernando Monteiro

 
pm3_4.png
PM4DX: Manufacturer's Literature
Emilio Ciardiello

 

from Just Qvigstad

Usage in Models 1= 1927? ; 3= 1928? ; 1= 1928 ; 3= 1929 ; 1= 1930 ; 2= 1931 ; 1= 1935?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):12


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