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Sparton 29 Equasonne Cabinet Speaker

Sparton 29 Equasonne Cabinet Speaker ; Sparks-Withington Co (ID = 1338772) Speaker-P Sparton 29 Equasonne Cabinet Speaker ; Sparks-Withington Co (ID = 1338774) Speaker-P
Sparton 29 Equasonne Cabinet Speaker ; Sparks-Withington Co (ID = 1712519) Speaker-P  
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Sparton 29 Equasonne Cabinet Speaker ; Sparks-Withington Co (ID = 1338772) Speaker-P
Sparks-Withington Co: Sparton 29 Equasonne Cabinet Speaker [Speaker-P] ID = 1338772 485x555
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For model Sparton 29 Equasonne Cabinet Speaker, Sparks-Withington Co., (Sparton); Jackson, Michigan:
By courtesy of member Alan Douglas from his book "Radio Manufacturers of the 1920's", volume 3, page 121.
 
Country:  United States of America (USA)
Manufacturer / Brand:  Sparks-Withington Co., (Sparton); Jackson, Michigan
Year: 1928–1930 perfect model Type: Loudspeaker (speaker or headphone)
Wave bands - without
Details
Power type and voltage No Power needed
Loudspeaker Magnetic loudspeaker (reed) generic.
Power out
from Radiomuseum.org Model: Sparton 29 Equasonne Cabinet Speaker - Sparks-Withington Co., Sparton
Material Wooden case
Shape Console with any shape - in general
Notes

The text of a Sparton flier from 1928 reads: "This perfectly balanced Equasonne built-in cabinet speaker produces a deep, resonant tone of wonderful volume."
It is mainly made for the Sparton Equasonne model 69, which then in 1928 had cost $ 199.50 as the combination. The model 69 could also be bought as open cabinet set (without speaker) for $ 147. See also the article here about different radio seasons.

Price in first year of sale 52.50 $
External source of data Radio Manufacturers of the 1920's, volume 3.
Literature/Schematics (1) Radio Manufacturers of the 1920s, Vol 3, Alan Douglas (page 121)

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

All listed radios etc. from Sparks-Withington Co., (Sparton); Jackson, Michigan
Here you find 653 models, 277 with images and 586 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.


  
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