Mail-A-Voice BK-501
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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.
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alternative name
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Brush Electronics | ||||
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| Year: 1948 ?? | Category: Sound/Video Recorder and/or Player |
| Main principle | Audio-Amplification |
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| 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.
