Dolby Deterioration


It’s my belief that recordings made in the 50s and early 60s, before the advent of Dolby, sounded more open and detailed than records made later. You can here the difference even in digital transfers of the earlier discs.  I’ve maintained this for many years.  I wonder if anyone else has noticed this phenomenon.  
Adding to the further deterioration, was the trend away from tubes to solid state equipment.
its a pleasure to hear pre solid state, and especially pre Dolby presentations.
rvpiano

Showing 2 responses by topoxforddoc

Dolby SR is IMO terrific. I use a pair off Dolby 363 units with Cat 300 SR/A cards for my R2R machines. You can get >90 dB S?N ratio with 1/4 inch tape at 15 IPS and Dolby SR. SR sounds really clean too - I'm a fan.
Dolby SR or Spectral Recording was Dolby’s piece de resistance for analogue tape/film recording. It is still sold by Dolby as part of their Dolby Analog suite

Review
https://rapmag.com/a/39-90/mar90/152-test-drive-dolby-sr-model-363-sr-a?showall=1
Schematic from manual
https://i.vgy.me/wWKZUz.png