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R-3

R-3 ; Magnavox Co., (ID = 1537919) Speaker-P R-3 ; Magnavox Co., (ID = 1537922) Speaker-P
R-3 ; Magnavox Co., (ID = 1537924) Speaker-P R-3 ; Magnavox Co., (ID = 1444926) Speaker-P
R-3 ; Magnavox Co., (ID = 1444927) Speaker-P R-3 ; Magnavox Co., (ID = 1444928) Speaker-P
R-3 ; Magnavox Co., (ID = 1537925) Speaker-P R-3 ; Magnavox Co., (ID = 1537926) Speaker-P
R-3 ; Magnavox Co., (ID = 1537927) Speaker-P R-3 ; Magnavox Co., (ID = 1718185) Speaker-P
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R-3 ; Magnavox Co., (ID = 1537919) Speaker-P
Magnavox Co.,: R-3 [Speaker-P] ID = 1537919 933x1243
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For model R-3, Magnavox Co., Commercial Wireless and Development Co.; San Francisco, later Fort Waye, IN:
Horn speaker
 
Country:  United States of America (USA)
Manufacturer / Brand:  Magnavox Co., Commercial Wireless and Development Co.; San Francisco, later Fort Waye, IN
Year: 1922 perfect model Category: Loudspeaker, headphone or earphone
Wave bands - without
Details
Power type and voltage No Power needed
Loudspeaker Horn / Ø 14 inch = 35.6 cm
Power out
from Radiomuseum.org Model: R-3 - Magnavox Co., Commercial
Material Metal case
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 $
Collectors' prices  
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)

Model page created by Ernst Erb. See "Data change" for further contributors.



All listed radios etc. from Magnavox Co., Commercial Wireless and Development Co.; San Francisco, later Fort Waye, IN
Here you find 965 models, 476 with images and 671 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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