Antique radios, Old Time Radios

G-4-S

ID = 6648

Country:

United States of America (USA)

Brand:	Majestic tubes of Grigsby-Grunow
Developer:	Majestic tubes of Grigsby-Grunow
Tube type:	Double Diode Detector

Identical to

G-4-S

Similar Tubes

Normally replaceable-slightly different:

G-4

Base	UY-Base, 5 Pins (USA, April 1927) (Codex=H)
Was used by	Radio/TV-reception etc.
Filament	Vf 2.5 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Description	G-4 with sprayed metal shield.
Dimensions (WHD) incl. pins / tip	x 103 x 38 mm / x 4.06 x 1.50 inch
Weight	48 g / 1.69 oz
Information source	Taschenbuch zum Röhren-Codex 1948/49 Babani, International Radio Tube Encyclopaedia

G-4-S: USA
John Albion

G-4-S: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

Usage in Models

1= 1932? ; 9= 1932

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):10

Collection of John Albion (CDN)

Collection of Peter den Boer (NL)

Collection of Pedro Prieto-Castro (E)

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