My take on this: Some advances, but nothing that noticeable for large or medium-sized home speakers, compared to other advances. Related story: until not long

My take on this: Some advances, but nothing that noticeable for large or medium-sized home speakers, compared to other advances. Related story: until not long ago I used some inherited 70s Kef HiFi speakers with a cheap modernish amp, and they sounded lovely, even against more modern equivalents (which I also had). A mid-70s TV, though...