Onkyo SV-515 (circa 1993)
Not much is documented about the Onkyo SV-515, and even the name is slippery. The one substantial period source is a receiver comparison in HiFI-Stereo (October 1993, p.89). It lists the receiver as the Onkyo TX-SV515PRO at $530, next to the Pioneer VSX-502 at $520 and the Yamaha RX-V470 at $499. The same table confirms it had music surround modes.
The review adds a little more. HiFI-Stereo (October 1993, p.88) says the testers ran the receivers in an actual system instead of judging them only by lab results. The accompanying text describes Onkyo's "Hall mode" as similar in concept to the early delay-line ambience-enhancement systems from AudioPulse and ADS, which generated simple reflection patterns. Past that, the record is empty. There is no production run, no full specification list, and no owner documentation.
- Listed as Onkyo TX-SV515PRO in HiFI-Stereo's October 1993 comparison
- Original price: $530
- Music surround modes; Onkyo Hall Mode (delay-line ambience/reflection processing)
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