- Country
- United States of America (USA)
- Manufacturer / Brand
- Magnavox Co., Commercial Wireless and Development Co.; San Francisco, later Fort Waye, IN
- Year
- 1924
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 120218
Collection privée (réf.: 2326)
Ebay User wd1112 Item 190660284753
Ebay User wd1112 Item 190660284753
Ebay User wd1112 Item 190660284753
Ebay User wd1112 Item 190660284753
Ebay User wd1112 Item 190660284753
Ebay User wd1112 Item 190660284753
Ebay User wd1112 Item 190660284753
Ebay User wd1112 Item 190660284753
Radio Broadcast, Jun. 1924, p. 173
Radio Broadcast, Jul. 1924, p. 269
Radio Broadcast, Aug. 1924, p. 353
Radio Broadcast, Nov. 1924, p. 109
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- Horn / Ø 11 inch = 27.9 cm
- Material
- Metal case
- from Radiomuseum.org
- Model: M4 A - Magnavox Co., Commercial
- Shape
- Tablemodel, with any shape - general.
- Dimensions (WHD)
- 11 x 18.5 x 0 inch / 279 x 470 x 0 mm
- Notes
- Magnetic horn speaker (4- pole system) Curved neck (tin) while the horn bell is made of brass. Crystalline finish. Input impedance 1400 Ohms
- Net weight (2.2 lb = 1 kg)
- 1.8 kg / 3 lb 15.4 oz (3.965 lb)
- Price in first year of sale
- 25.00 USD
- Literature/Schematics (1)
- Radio Horn Speaker Encyclopedia, by Floyd A.Paul
- Literature/Schematics (2)
- Radio Broadcast, Jun. 1924, p. 173
- Author
- Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.
- Other Models
-
Here you find 1081 models, 499 with images and 831 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 M4 is part of the collections of the following members.