Sanyo VCR-7500 (1985)
Not much is documented about the Sanyo VCR-7500 in the usual collector archives today, but the period hi-fi press covered it properly. HiFi-Stereo (April 1985, p.43) described it as a Beta Hi-Fi VCR with built-in stereo TV/SAP reception, priced at $750. The same review listed a five-motor quartz-locked transport running at Beta II and III speeds, a two-head rotary record/playback system, a fourteen-day, eight-event tuner/timer with 105 VHF/UHF/cable channels, wireless remote control, picture search, auto/memory rewind, audio dubbing, and nine-segment level meters.
A fuller lab test followed in HiFi-Stereo (August 1985, p.42). It explained how the Beta Hi-Fi audio was achieved: the two audio channels were encoded as separate frequency-modulated subcarriers in the general 1-2 MHz range, recorded by the rotating head drum. The testers found the hi-fi performance identical at both tape speeds, since the effective recording speed is set by the rotating head drum and not the linear tape speed. At any listenable volume they could hear no difference between the tape and the original source. Beyond those two period reviews, almost nothing else about this model has surfaced.
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