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KTZ41

Information - Help 
ID = 10133
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to KTZ41 = CV1698 = 10E/153 = VT148_GPO
Similar Tubes
Normally replaceable-slightly different:
  A819 ; CV1191
First year Aug.1938 The Wireless World, London (WW, 79) Show Report

Base British-7-Pin, old (M7A) (Codex=Nho) Top contact with a cap
Filament Vf 4 Volts / If 1.5 Ampere / Indirect / Parallel, (AC/DC)
Description

High slope for TV use.

gm 12mA/V.

 
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
ktz41.jpg
KTZ41: M.N.
Michael Niermann

 
543.png
KTZ41: Telefunken Werkstattbuch
Wolfgang Bauer

 
ktz41_data.png
KTZ41: MARCONI RECEIVING VALVES, LONDON, 1938
Jose Casas-Avalos


Usage in Models 1= 1938? ; 2= 1938 ; 3= 1939

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):6


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