Toyo CH-702 (1972)
Not much is documented about the Toyo CH-702 beyond a lab test in High Fidelity (January 1972, p.58). That report is clear enough. The CH-702 was a quadraphonic and stereo eight-track cartridge player with built-in power amplifiers, minus speakers. The review listed a price of $169.95 and dimensions of 18¾ by 5½ by 10 inches including the wood case. Toyo Radio of Japan made it, and Toyo Radio Company of America handled U.S. distribution.
The reviewer pointed out one quirk on p.59: the CH-702 had no apparent on/off switch. You pushed a cartridge into the slot at the lower left and the unit switched on by itself. Pushing the cartridge all the way in engaged the capstan and started playback. Frequency response measured roughly flat from 30 Hz to 10 kHz on the front channels, with the rear channels in a similar range. That was respectable for the format at the time.
Beyond that single High Fidelity test report, surviving documentation appears to be thin.
- Type: Quadraphonic / stereo 8-track cartridge player with built-in amplifiers
- Price (1972): $169.95
- Dimensions: 18¾ × 5½ × 10 in., including wood case
- No on/off switch — power engaged by cartridge insertion
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