radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

EW121

Information - Help 
ID = 18171
       
Country:
Germany
Brand: Siemens; D (S.& Halske / S. Electrogeräte)
Tube type:  Current Regulator, Iron in Hydrogen 
Identical to EW121 = EW1408
Similar Tubes
Normally replaceable-slightly different:
  WE45_Rectron
First year 1929 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=E)
Filament
Description 8...24 V; 1,32...1,5 A
Mittelabgriff für GL 1,5 
Dimensions (WHD)
incl. pins / tip
50 x 133 x mm / 1.97 x 5.24 x inch
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
ew121_siemens.jpg
EW121: Sammlung
Anonymous 557 Collector

 
sockel_3~~1.png
EW121: Beier, Röhrentaschenbuch 1958
Oskar Elm

 

Usage in Models 3= 1928? ; 3= 1929?? ; 4= 1929?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):10

Collection of a member from D

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]
  
rmXorg