Antique radios, Old Time Radios

12SY7

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

Tube ID = 5449


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Identical to	12SY7
Similar Tubes	Other class quality (otherwise equal): 12SA7

Base	Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ud)
Was used by	Radio/TV-reception etc.
Filament	Vf 12.6 Volts / If: 0.15 Ampere / -: Indirect / -: Parallel / series AC/DC /
Tube prices	0 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49

Private collection
Emilio Ciardiello

RTT Schwandt
Günther Stabe

Usage in Models (calculation each 25th of the month)	1= 1954?? ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 1

No further Information for

12SY7

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