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EL12spez

Information - Help 
ID = 11220
       
Country:
Germany
Brand:
Developer: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH 
Tube type:  Vacuum Pentode   Power/Output 
Identical to EL12spez = EL12sp
Similar Tubes
Other base and data slightly different:
  EL12N
Multiple differences or of other kind:
  EL12
First year 1939 Tube leaflet collection E.Erb Analysis by original leaflets (T8)

Base German Steel Y8A, 1938 (Codex=Rco) Top contact with a cap
Filament Vf 6.3 Volts / If 1.2 Ampere / Indirect / Parallel, (AC/DC)
Description

Launched 1938 by Telefunken.
Predecessors / Vorgänger: AL5; Successors / Nachfolger:~EL34
18 W power output pentode with almost twice the sensitivity as the AL5, intended for applications designed for normal output pentodes as the EL11, but where twice the output power is desired.
A suffix /xxx indicates the max. voltage this tube is especially selected for, otherwise it's 250 V.
The EL12 spez. has a plate top cap. The EL6 is a parallel type with P base.

 
Text in other languages (may differ)
Tube prices 12 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
  umgebungsschaltbild_el12_spez.png
  EL12spez: Röhrenkartei Drenkelfort
Peter Hoddow
 
el12sp_telefunken.jpg
EL12spez: O.R.
Ottmar Rollmann

 
st14.png
EL12spez: RTT 1974 (Franzis) 13. Auflage
Martin Renz

 
el12spez_data1.png
EL12spez: Telefunken 1940
Robert Schmalstieg


Usage in Models 1= 1938? ; 1= 1939? ; 1= 1940?? ; 1= 1940? ; 1= 1941? ; 1= 1941 ; 1= 1944? ; 1= 1950?? ; 1= 1950? ; 4= 1950 ; 1= 1951?? ; 4= 1951 ; 3= 1953 ; 1= 1956?? ; 1= 1958?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):23


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