I still have cassette tapes encoded with dbx rather than Dolby and the former's sound quality is much better than the latter. I'd recorded them on Technics deck

I still have cassette tapes encoded with dbx rather than Dolby and the former's sound quality is much better than the latter. I'd recorded them on Technics decks, which is why I still keep an old deck of that brand for playback and ripping as the bias values are identical.