Is this normal/common symptom? SL-HF750 Beta hifi vcr plays hifi tapes fine however. Did the mono audio circuitry fail due to age?
Buzzing doesn’t occur in a mono vcr. Looks like mono VCR is best for mono tapes.
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Last edited by digicube; 19th Aug 2020 at 20:29.
That's a normal problem with mono head sounds,could be in the original recording plus more noise added.I think,therefore i am a hamster.
That hum can be really distracting and difficult to suppress at the source: it was common decades ago in many broadcasts, so wound up embedded in a lot of VCR recordings, where it could become magnified to truly awful scale by playing the affected tapes in a VCR that had its own audio hum issues. Lately I've noticed the hum being re-introduced in broadcasts of old TV shows and movies on "retro" ATSC sub-channels: annoying, because they have no excuse. In the bad old days it was often caused by the optical sound track of telecined film prints, but today these stations are basically broadcasting from dvd re-masters, so the loud hum shouldn't be present at all.
Clean you VCR audio head, If it is dirty and you try to raise the volume to bring the gain up you are raising the linear audio pre-amp gain as well which results in more noise.