Onkyo 810-PRO (circa 1991)
Little is documented about the Onkyo 810-PRO outside a single period test report, and even that was filed under a slightly different name. HiFI-Stereo (August 1991, p.34) reviewed the "Onkyo A-SV810PRO" as an A/V integrated amplifier. That review is essentially the whole record for this model.
According to the test, the 810-PRO did video switching on top of its amplifier duties. It had connections for a videodisc player and a direct-broadcast satellite (DBS) receiver, each with both an S-video and a composite video input, plus a fourth video circuit. The surround section offered Dolby modes with adjustable delay from 15 to 30 ms. Two Theater modes adjusted room size and shape instead of delay time. An on-screen display could reproduce nearly all of the front-panel information.
The HiFI-Stereo bench results (August 1991, p.37) gave the phono stage a termination of 43,000 ohms in parallel with 53 pF, overload at 110-135 mV (1 kHz equivalent), and noise figures of -89 and -77 dB. Beyond that, the record is thin. No production years, original price, power rating, or dimensions have surfaced.
- Type: A/V integrated amplifier with surround processing
- Video inputs: videodisc and DBS, each with S-video + composite; at least one further video circuit
- Dolby surround delay: 15–30 ms; two Theater modes (room size/shape adjustment)
- Phono termination: 43 kΩ ∥ 53 pF
- Phono overload: 110–135 mV (1 kHz equivalent)
- Noise: −89 dB / −77 dB (per period test)
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