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In this video I compare the audio qualities of a Panasonic Hi-Fi NV-HV61 VCR and Sony TC-399 Reel to Reel recorder. I use a Tascam 488 as the mixer and record direct to tape with a live 2 track recording session.
Here's a previous video I made which looks closer at the technology behind HiFi VHS recordings.
https://www.youtube.com/watch?v=fMOxHlzsxRU&t=3s