Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 16192
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Triode, vacuum   Power/Output 
Identical to PM252
First Source (s)
1929 : History of the British Radio Valve to 1940 P. 165

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.4 Ampere / Direct / Battery =

"Super Power" Valve. Gm= 3.7mA/V Ia=11.0 for Va=100 and -Vg=6.0. Optimum load 4.5k ohm. Early Mullard data gives filament current=0.3A.

Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   p. 130 & 131
- - Manufacturers Literature
PM252: RFJ
Roy Johnson

More ...
PM252: Fin Stewart
Fin Stewart

PM252: Mullard Maintenance Manual 1954
Achim Dassow

from Just Qvigstad

Usage in Models 2= 1928 ; 1= 1929 ; 1= 1932

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):4

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]