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AZ4

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ID = 1888
       
Country:
Netherlands
Brand:
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to AZ4 = WE56
Similar Tubes
Other base:
  AZ12
Other base and other heater:
  1861
First year May.1938 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
May.1938 : Philips Bulletin
Predecessor Tubes 1561   RGN2004   AZ2   VG280   RGN2004_Topf-P8A   1561_P8A   1861  
Successor Tubes 1956   EZ81   GZ32   GZ34  
Base Europe side contact P8A (Au P, 8SC) (Codex=So)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 2.3 Ampere / Direct / Specified voltage AC/DC
Description

.

 
Tube prices 27 Tube prices (visible for members only)
Information source - - Manufacturers Literature   
Taschenbuch zum Röhren-Codex 1948/49   Design = Philips
Babani, International Radio Tube Encyclopaedia
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
az4_1.png
AZ4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
37_2.png AZ4: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
Just Qvigstad 		az4_spec.png
AZ4: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
More ...
Usage in Models 13= 1938 ; 2= 1939?? ; 1= 1939? ; 6= 1939 ; 3= 1940 ; 3= 1941?? ; 1= 1941? ; 11= 1941 ; 1= 1942? ; 11= 1942 ; 4= 1943?? ; 5= 1943 ; 2= 1944? ; 7= 1944 ; 2= 1945?? ; 4= 1945 ; 1= 1946?? ; 4= 1946 ; 1= 1947?? ; 2= 1947? ; 4= 1947 ; 2= 1948?? ; 5= 1948? ; 10= 1948 ; 1= 1949?? ; 1= 1949? ; 8= 1949 ; 10= 1950?? ; 2= 1950? ; 18= 1950 ; 1= 1951 ; 2= 1952?? ; 3= 1952? ; 1= 1952 ; 4= 1953 ; 1= 1954?? ; 3= 1954 ; 5= 1955?? ; 4= 1956? ; 1= 1956 ; 4= 1957?? ; 11= 1957? ; 2= 1957 ; 9= 1958? ; 1= 1958 ; 1= 1959 ; 1= 1960?? ; 2= 1960? ; 3= 1960 ; 2= 1961?? ; 2= 1961? ; 1= 1961 ; 1= 1962?? ; 1= 1962? ; 2= 1966 ; 1= 1967
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):214

Collection of

Hermann Fleischanderl (A)
Wolfgang Bauer (A)
Ken Shellberg (USA)
Bruce Morgenstern (CDN)
Christian Schaufelberger (CH)
Aldo Patriarca (CH)
Marco Lagendijk (NL)
Jacky Parmentier (F)
Justo Puertas-Paule (E)
Benedetto Pirani (I)
Giuseppe Antonio Tusini (I)
Georges Werts (B)
Milen Gaigadzhov (BG)
Hannu Alho (FIN)
Sándor Selyem-Tóth (H)
Danko Tkalec (HR)
Piotr Jachymczyk (PL)
Jozef Solyga (PL)
Adam Tatus (PL)
Paweł Banach (PL)
Tomasz Szczesniak (PL)
Valery Gromov (RUS)
Lars Nord (S)
Jacob Roschy (D)
Trev Levick (D)
Karlheinz Fischer (D)
Collection of a member from D
Günter Renz (D)
Reinhard Riek (D)
Jan Peter Brömme (D)
Chris Lepiarczyk (D)
Karl - Heinz Bossan (D)
Hans-Dieter Haase † 5.2.18 (D)
Heinz Schmidt (D)
Collection of a member from D
Jürgen Küting (D)
Roland Biesler (D)
 
az4_trm_49~~1.jpg

AZ4
 
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