Antique radios, Old Time Radios

6A7S

Country:	United States of America (USA)		Brand:	Common type USA tube
			Tube type:	Pentagrid-Converter (Heptode) Pentagrid (old)

Tube ID = 8550

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Identical to	6A7S
Similar Tubes	Other shape (e.g. bulb type): 6A7

Base	7-Pin-Base U7A = small, old, USA (Codex=Mh)
Filament	Vf 6.3 Volts / If: 0.3 Ampere / -: Indirect / -: Parallel / series AC/DC /
Description	In 1941, RCA data sheet states "renewal type for Majestic receivers".
Literature	Taschenbuch zum Röhren-Codex 1948/49 - - Manufacturers Literature

6A7S: Rogers 6A7S Canada
John Albion

6A7S: Datenblatt
Wolfgang Bauer

6A7S: Manufacturer's Literature
Emilio Ciardiello

Usage in Models	1= 1932?? ; 14= 1933 ; 2= 1934?? ; 1= 1934? ; 22= 1934 ; 3= 1935 ; 1= 1936?
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 44

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