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Mail-A-Voice BK-501

Mail-A-Voice BK-501 ; Brush Development Co (ID = 541469) R-Player Mail-A-Voice BK-501 ; Brush Development Co (ID = 541470) R-Player
Mail-A-Voice BK-501 ; Brush Development Co (ID = 1741378) R-Player Mail-A-Voice BK-501 ; Brush Development Co (ID = 1741379) R-Player
Mail-A-Voice BK-501 ; Brush Development Co (ID = 1741380) R-Player  
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Mail-A-Voice BK-501 ; Brush Development Co (ID = 541469) R-Player
Brush Development Co: Mail-A-Voice BK-501 [R-Player] ID = 541469 550x403
Select picture or schematic to display from thumbnails on the right and click for download.
For model Mail-A-Voice BK-501, Brush Development Co.; Cleveland, Ohio:
Thanks for Mr.Nagy Vilmos, Orsós Magnó Múzeum Terény, Hungary! More Info: ..magnomuzeum.hu/index.php?inf=muzeum
 
Country:  United States of America (USA)
Manufacturer / Brand:  Brush Development Co.; Cleveland, Ohio
alternative name
 
Brush Electronics
Year: 1948 ?? Category: Sound/Video Recorder and/or Player
Main principle Audio-Amplification
Wave bands - without
Details Other Recorder/Player
Power type and voltage Alternating Current supply (AC) / 110 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
from Radiomuseum.org Model: Mail-A-Voice BK-501 - Brush Development Co.;
Notes The model BK-501 Mail-A-Voice from "The Brush Development Company" is intended primarily for correspondence and dispenses with the solenoid of the BK-503.

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



All listed radios etc. from Brush Development Co.; Cleveland, Ohio
Here you find 41 models, 37 with images and 22 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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