- Country
- United States of America (USA)
- Manufacturer / Brand
- Magnavox Co., Commercial Wireless and Development Co.; San Francisco, later Fort Waye, IN
- Year
- 1922
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 137441
Horn speaker
Label
Base
Radio Digest Illustrated, 1922 Dec. 16, p. 4
Moving coil
Moving coil
Electromagnet
Mobile coil coupled to a steel diaphragm.
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- Horn / Ø 14 inch = 35.6 cm
- Material
- Metal case
- from Radiomuseum.org
- Model: R-3 - Magnavox Co., Commercial
- Shape
- Tablemodel, with any shape - general.
- Dimensions (WHD)
- 14 x 0 x 0 inch / 356 x 0 x 0 mm
- Notes
-
The Magnavox model R-3 uses an electrodynamic system. Straight neck horn. This 14-inch horn is featured in an add in "Radio World" 28th October 1922. It is also listed on a price list of March 17, 1922, together with R-2. The name is "Magnavox Train Dispatching Units" and it offers also Rectigon Material. An other price list of April 10, 1922 has Detector and One Stage Amplifier for $ 35, Two Stage Amplifier for $ 35, Detector and Tow Stage Amplifier Non-filament control for $ 45 and with full filament control for $ 55.
- Price in first year of sale
- 45.00 $
- Mentioned in
- Radio World (Date 28th October 1922, page 19)
- Literature/Schematics (2)
- Radio Digest Illustrated, 1922 Nov. 25, p. 15
- Literature/Schematics (3)
- Le Guide du Collectionneur TSF Biraud/Foster, Vol. II (page 437)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 1096 models, 527 with images and 799 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Magnavox Co., Commercial Wireless and Development Co.; San Francisco, later Fort Waye, IN
Collections
The model R-3 is part of the collections of the following members.