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| Year: 1970 ?? | Category: Sound/Video Recorder and/or Player |
| Semiconductors (the count is only for transistors) | Semiconductors present. |
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| Main principle | Audio-Amplification |
|---|---|
| Wave bands | - without |
| Details | Cassette-Recorder or -Player |
| Power type and voltage | Line / Batteries (any type) / 117; 6; 4 x 1,5 Volt |
| Loudspeaker | Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) |
| Power out | |
| from Radiomuseum.org | Model: Cassette Tape Recorder TRQ-290 - Hitachi Ltd.; Tokyo |
| Material | Modern plastics (no Bakelite or Catalin) |
| Shape | Portable set > 8 inch (also usable without mains) |
| Notes | Portable Toploadig Cassette Tape Recorder with Leather case. Mic Input (3,5mm), Remote Radio output, Tone- and Volume-Controls. Power Consumption: DC 6V 2 watts; AC 117 60Hz 5 watts. |
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