Model: Equaphase G7
Antique radios, Old Time Radios
Equaphase G7
Country:
United States of America (USA)
Manufacturer/Brand:
Freshman Co. Inc.
Year: 1927
Type:
Radio or TunerBroadcast receiver (Radio).
Im Gegensatz zu Radioempfängern für kommerzielle und/oder militärische Zwecke und den frühen Empfängern für Morsezwecke nennen wir hier Radio bzw. Rundfunkempfänger. Aber: Gemäss internationaler Sprachregelung führt der Radiokatalog Band 1 alle Empfänger mit aktiven Bauteilen als RADIO. Wir unterscheiden hier ebenfalls nicht, ob mit Röhren bestückt, hybrid, mit Transistoren oder/und ICs.
Mod.-ID = 41103
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Schematics etc.: 0 (for
members)
Principle
TRF Tuned-radio-frequency (straight) general; 2 AF-stage(s)
Tuned circuits
4 AM circuit(s);
Wave bands
Broadcast only (MW).Mittelwellenempfänger
Power type and voltage
Alternating Current supply (AC) / 110-120 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: Equaphase G7
Material
Wooden caseWooden case. Most radios have a wooden cabinet until the WW2. Caisse en bois.
Die meisten Heim-Rundfunkempfänger führen von Beginn an bis etwa Ende 60er Jahre Holz als Gehäuse. Auch frühe Reiseempfänger zeigen Holz (speziell in den 20er Jahren) oder Holz mit Stoffüberzug etc.
Shape
Console with any shape - in general (details not known).
Valves / Tubes
7:
26
(more
for members)
Notes
Equaphase is featured in an add in "Radio Niews" October 1927 from Chas. Freshman Co., Inc, Freshman Building, New York, page 312. All four models came with four tuned circuits; single drive - one control; full floating tube shelf; drum type illuminated dial - calibrated in wavelengths; solid mahagony cabinet - artisitically highlighted.
The Freshman model Equaphase F1 is the cheapest of this family (battery operated table model for $ 70 without speaker), followed by G7 ($ 185), G10 (Low Boy for $ 195), and G4 ($ 225).
The Equaphase models G include the model G-60-S power supply unit with one or two filter chokes but the same name.Tubes named UC-226, UX-226, UX-226, UY-227, UX-226, UX-171 and UX-280 - or CX-3.. types. Rider is showing them on page Freshman 1-2 to 1-3 and the battery version together with the Masterpiece on 1-1.
Price in first year of sale
185
$
Collectors prices
1 Collector price
(for members)
External source of data
Ernst Erb
Source of data
Radio Collector`sGuide 1921-Radio Collector`sGuide 1921-; McMahon, Morgan E.; Vintage Radio, CA90274, USA. (1981)
Circuit diagram reference
Rider's Perpetual, Volume 1The Riders Perpetual contains 23 volumes of schematics. They can be ordered at: Alton H. Bowman, 4172 East Ave, 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 726
Mentioned in
Collector's Guide to AR4.Ed.,Bunis, tubeCollectors Guide to Antique Radios, Fourth Edition, 1997, Marty & Sue Bunis, Collector Books, Paducah, USA. See also the other editions.
Literature/Schematics
Collector's Guide to AR7.Ed. Slusser tubeCollectors Guide to Antique Radios, 7th Edition, 2008 by John Slusser. See also other editions (incl. Bunis). Collector Books, P.O.Box 3009, Paducah, KY 42002-3009 for 24,95 US$.
No further information
on
Equaphase G7 (Freshman Co. Inc.)
