Dictogrand R-3
ID = 104487
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Dictograph Products: Dictogrand R-3 [Speaker-P] ID = 248220 560x700
| Country: United States of America (USA) | Manufacturer/Brand: Dictograph Products Co. |
| Year: 1923 | Type: Loudspeaker (speaker or headphone) |
| Principle | not available |
|---|---|
| Wave bands | - without |
| Power type and voltage | No Power needed |
| Loudspeaker/pwr.out | Horn |
| from Radiomuseum.org | Model: Dictogrand R-3 |
| Material | Various materials |
| Shape | Miscellaneous shapes - described under notes. |
| Dimensions (WHD) | 10.75 x 12.5 x 10.25 inch / 273 x 318 x 260 mm |
| Notes | Unique low profile horn design. Metal horn. Spacing between diaphragm and magnet adjustable with front panel knob (volume control). |
This model was suggested by Thomas Albrecht.
All listed radios etc. from Dictograph Products Co.
Here you find 3 models, 2 with images and 0 with schematics.
Collection of Thomas Albrecht (USA)
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