Antique radios, Old Time Radios

5R4

Country:	United States of America (USA)		Brand:	Common type USA tube
			Tube type:	Full-Wave Vacuum Rectifier Power-supply

Tube ID = 7348

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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	0 Tube prices (visible for members only)
Literature	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

Usage in Models	1= 1945?? ; 1= 1948?? ; 1= 1948? ; 1= 1949?? ; 1= 1951?? ; 1= 1952?? ; 1= 1954 ; 1= 1955?? ; 1= 1956?? ; 1= 1956 ; 1= 1958 ; 1= 1960?? ; 3= 1961??
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 15

Forum contributions about this tube
5R4
Threads: 1 | Posts: 2

Hits: 937 Replies: 0 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.

5R4
End of forum contributions about this tube

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