Model: Photophone PG-31 (PG31)

Antique radios, Old Time Radios

Photophone PG-31 (PG31)

High Fidelity

Country: United States of America (USA) Manufacturer/Brand: RCA (RCA Victor Co. Inc.); New York (NY)
Year: 1932 Type: Recorder and/or PlayerMusic/speech recorder and/or -player.
Tonspeichergerät im weiteren Sinn, also auch Kassettengerät, CD-Player, Tonbandmaschine, Video-Maschine etc. möglich. Mod.-ID = 82037 previous | Result List | next | New search for Radios etc. Schematics etc.: 0 (for members) Power type and voltage Alternating Current supply (AC) / 115 VoltAC set plus voltage range.
/ = 2 different voltages
- = voltage from-to
* = «Special»
Apparareil à courant alternatif. Tensions mentionnées.
/ = 2 Spannungswahlen
- = von-bis
* = Fabrikwahl/«Spezial»
Normalerweise sind diese Geräte mit einem Trafo mit Primär- und Sekundärwicklungen versehen. Dadurch führt das Chassis kein gefährliches Potential.
Loudspeaker/pwr.out Electro Magnetic Dynamic LS (moving-coil with field excitation coil)Electro magnetic dynamic loudspeaker (moving-coil principle by Rice-Kellog) with field excitation coil - mostly used as choke.
Haut parleur dynamique avec bobine d`excitation - plus souvent aussi utilisé pour le self.
Elektrodynamischer Lautsprecher mit Erregerspule für das Magnetfeld (Fremderregung), meist gleichzeitig als Siebglied dienend.
www.radiomuseum.org Model: Photophone PG-31 (PG31) High Fidelity Shape Portable, e.g. Portable Radio (with or without mains > 8 inch).
Valves / Tubes 13: 224Siehe auch 224_Rectifier (more for members)
Notes Portable talking motion-picture equipment for sound on film (35mm). Consists of projector (one or two, with fader), one pre- and two power amplifiers, and Loudspeakers (one to four stage units). Employs 2 photo-cells.
Circuit diagram reference Rider's Perpetual, Volume 3Ave, RD 2, Canandaigua, NY 14424-9564, USA.
For your information:
Other big collections of schematics for the USA are the books «Most-Often-Needed Radio Diagrams», compiled by M.N.BEITMAN (beginning: 1926-1938 = Vol. 1).
and folders from:
Howard W. Sams Company, 2647 Waterfront Parkway East Drive, Indianapolis, IN 46214-2041, Tel.: 1-800-GET-SAMS or 1-800-428-5331 or 7267.

This model was suggested by Ernst Erb.

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Photophone PG-31 (PG31) High Fidelity (RCA (RCA Victor Co. Inc.); New York (NY))