Cosmopolitan All Transistor Ch= TR-4
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Jewel Radio Corp.;: Cosmopolitan All Transistor Ch= TR-4 [Radio] ID = 2353436 1400x1050
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| Year: 1955 ? | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Semiconductors (the count is only for transistors) | 4: |
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| Main principle | Superheterodyne (common) |
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| Wave bands | Broadcast only (MW). |
| Details | |
| Power type and voltage | Dry Batteries / 1 x 9 Volt |
| Loudspeaker | Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) |
| Power out | |
| from Radiomuseum.org | Model: Cosmopolitan All Transistor Ch= TR-4 - Jewel Radio Corp.; New York, |
| Material | Leather / canvas / plastic - over other material |
| Shape | Very small Portable or Pocket-Set (Handheld) < 8 inch. |
| Notes | Most similar to several models listed under Jewel All Transistor Ch= D6-8 |
| Mentioned in | Antique Radio Magazine - Italy, Club Antique Radio Magazine (n.157 settembre-ottobre 2020 pag. 38-41.) |
Model page created by Aldo Andreani. See "Data change" for further contributors.
All listed radios etc. from Jewel Radio Corp.; New York, Long Island City, NY and East Newark, NJ
Here you find 101 models, 62 with images and 64 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
