Gemchest 609 Mandarin Red
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Crosley Radio Corp.;: Gemchest 609 [Radio] ID = 820324 700x933
Select picture or schematic to display from thumbnails on the right and click for download.
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| Year: 1928/1929 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Valves / Tubes | 7: UX226 UX226 UX226 UY227 UX226 UX171A UX280 |
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| Main principle | TRF without regeneration; 3 AF stage(s); Neutrodyne |
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| Tuned circuits | 3 AM circuit(s) |
| Wave bands | Broadcast only (MW). |
| Details | |
| Power type and voltage | Alternating Current supply (AC) / 60 or 25 cycles 110 volt or 25 cycles 220 Volt |
| Loudspeaker | Magnetic loudspeaker (reed) generic. |
| Power out | |
| from Radiomuseum.org | Model: Gemchest 609 [Mandarin Red] - Crosley Radio Corp.; |
| Material | Metal case |
| Shape | Console, Lowboy (legs < 50 %). |
| Notes | One dial (primary tuning control knob) The grille was originally plain silver (not painted in colors). The models Gemchest 609, Gembox 609, Gembox 610 and Gembox 610 as AC versions share the same schematic with either a tube line up of UX-226, UX-226, UX-226, UY-227, UX-226, UX-171A, UX-280 or Cunningham tubes CX326, CX326, CX326, C327, CX362, CX371A and CX380. Gemchest is a console, Gembox a table radio. The mains transformer is either for 110 Volt 60 cycles, 110 Volt 25 cycles or 220 Volt 25 cycles.
The Crosley Gemchest was sold in colors Mandarin Red, Nanking Green and Manchu Black. Please regard the colors when uploading pictures. |
| Price in first year of sale | 95.00 $ + |
| External source of data | Ernst Erb |
| Source of data | Radio Collector`s Guide 1921-1932 |
All listed radios etc. from Crosley Radio Corp.; Cincinnati (OH)
Here you find 1647 models, 994 with images and 1124 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
