Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 74695
Brand: Common type France tube/semicond.
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to E.52_SFR = TM15 = E52

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 5.3 Volts / If 1.2 Ampere / Direct / Battery =

This tube also exists under the Radiotechnique brand, see type E52 on Radiomuseum. This is probably the same tube (civil version of the TM15) manufactured under the two brands given the links between the companies Radiotechnique and SFR.

Text in other languages (may differ)
Information source Saga of the Vacuum Tube, Tyne   page 408

Just Qvigstad


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]