Spheroid 74A
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Shure; Chicago,: Spheroid 74A [Microphone/PU] ID = 2055564 1148x2100
Select picture or schematic to display from thumbnails on the right and click for download.
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| Year: 1935 | Category: Microphone or Pick-up element |
| Wave bands | - without |
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| Details | |
| Power type and voltage | No Power needed |
| Loudspeaker | - - No sound reproduction output. |
| Power out | |
| from Radiomuseum.org | Model: Spheroid 74A - Shure; Chicago, Evanston, |
| Material | Metal case |
| Shape | Miscellaneous shapes - described under notes. |
| Notes | The Shure 74A Spheroid is a non-directional microphone with a crystal element. |
| Price in first year of sale | 37.50 USD |
| Mentioned in | QST (November 1935 page 97) |
Model page created by Wayne Childress. See "Data change" for further contributors.
All listed radios etc. from Shure; Chicago, Evanston, Niles (IL)
Here you find 122 models, 116 with images and 44 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
