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5R4

Country: United States of America (USA) Brand: Common type USA tube/semicond. Tube type:  Full-Wave Vacuum Rectifier   Power-supply  Identical to 5R4 Similar Tubes Normally replaceable-slightly different:   U77 Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vy) Filament Vf 5 Volts / If 2 Ampere / Direct Description There is no metal tube 5R4, see under 5R4G, -GA, -GB, -GY, -WG, etc.   Text in other languages (may differ) Dimensions (WHD) incl. pins / tip 39 x 120 x mm / 1.54 x 4.72 x inch Weight 48 g / 1.69 oz Tube prices 1 Tube prices (visible for members only) Information source Taschenbuch zum Röhren-Codex 1948/49    5R4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus † 5R4: Aus der "Vademecum1948" von P.H.Brans Willy De Grande More ... Just Qvigstad 5R4: elektron taschenbuch 1952 Heinz Höger Usage in Models 1= 1943?? ; 1= 1945?? ; 1= 1948?? ; 1= 1948? ; 2= 1949?? ; 1= 1949 ; 1= 1951?? ; 2= 1951 ; 1= 1952?? ; 1= 1953? ; 3= 1954 ; 2= 1955?? ; 1= 1955? ; 1= 1956?? ; 1= 1956 ; 1= 1958 ; 1= 1960?? ; 3= 1961?? Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):25 Collection of Miguel Lopez (C) Siegfried Neumann (D)

5R4

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Hits: 4582     Replies: 1 5R4
Willy De Grande 15.Oct.05	1 5R4  Herren Admins, Weitere info:HEIZ  5v-2a ;Ann.span.5R4-900v-150mA : 5R4GYB-950V-178mA B,dia 39mm ;  H=120mm Gew =48 gramm Grüse aus Brügge Willy De Grande
Hans-Thomas Schmidt 16.Oct.05	2 No subject  Danke, die Einträge wurden vorgenommen, Gruß, HTS.

 

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