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L496D

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ID = 1722
       
Country:
Germany
Brand: Valvo Radioröhrenfabrik GmbH; Hamburg
Tube type:  Vacuum Pentode   Power/Output 
Identical to L496D = RES964 = E443H = PP4101 = RTP4 = P435
Similar Tubes
Other base:
  AL1
First year 1933 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Sep.1933 : Funkschau
Predecessor Tubes L427D  
Successor Tubes 1935   AL1  

Base Europe 5-Pin (O5A, B5) (Codex=Foo)
Filament Vf 4 Volts / If 1.1 Ampere / Direct
Description L496D Valvo = E443H Philips. By model of the very similar USA-types PZ or 47 from 1931, with the E443H (= L496D)Philips now introduced output pentodes in Europe with equally 250 Volts screen and plate voltage, it also brought the 7k-ohms load-standard to Europe which remained until the end of the tube era. The former E443N required 400 Vp, but extra 200 Vg2 [J.R. 2003-01-19] 
Text in other languages (may differ)
Tube prices 3 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
  l496d.png
  L496D
Egon Strampe
 
valvol496d_web.jpg
L496D: CA
Christian ADAM

 
4_22.png
L496D: Telefunken Werkstattbuch
Wolfgang Bauer

 
vv34_24.png
L496D: Valvo-Röhren-Daten 1934
Jacob Roschy


Usage in Models 2= 1933? ; 1= 1933 ; 2= 1934? ; 8= 1934 ; 1= 1935? ; 3= 1935 ; 1= 1936 ; 1= 1937? ; 1= 1938??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):20


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