Antique radios, Old Time Radios

AZ4

Country:	Netherlands		Brand:	Philips; Eindhoven (tubes international!); Netherlands
			Tube type:	Full-Wave Vacuum Rectifier Power-supply

Tube ID = 1888

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Identical to	AZ4 = WE56
Similar Tubes	Other base: AZ12
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
Successor Tubes	1956 EZ81 GZ32 GZ34

Base	Europe side contact base P (P8A) (Codex=So)
Filament	Vf 4 Volts / If: 2.3 Ampere / -: Direct /
Description	. Text in other languages (may differ)
Tube prices	0 Tube prices (visible for members only)
Literature	Taschenbuch zum Röhren-Codex 1948/49 Design = Philips


	AZ4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus †

AZ4: TreLe
Trev Levick

AZ4: Telefunken Werkstattbuch
Wolfgang Bauer

AZ4: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Usage in Models

1= 1936 ; 11= 1938 ; 1= 1939?? ; 7= 1939 ; 3= 1940 ; 1= 1941? ; 9= 1941 ; 1= 1942? ; 13= 1942 ; 5= 1943?? ; 4= 1943 ; 2= 1944? ; 4= 1944 ; 2= 1945?? ; 1= 1945? ; 4= 1945 ; 1= 1946?? ; 4= 1946 ; 1= 1947?? ; 2= 1947? ; 4= 1947 ; 1= 1948? ; 9= 1948 ; 7= 1949 ; 5= 1950?? ; 16= 1950 ; 1= 1951 ; 1= 1952?? ; 2= 1952? ; 1= 1952 ; 2= 1953 ; 1= 1954?? ; 3= 1954 ; 4= 1955?? ; 4= 1956? ; 1= 1956 ; 3= 1957?? ; 14= 1957? ; 11= 1958? ; 1= 1960?? ; 2= 1960 ; 2= 1961?? ; 1= 1961 ; 1= 1962? ; 2= 1966

Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 176

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