Your 80's comment had me worried. The 80's were awful for SS amps as so many chased after high wattage and low distortion instead of good sound. But the Scott seems to be from a bit before that and at any rate the web says good https://audiokarma.org/forums/index.php?threads/hh-scott-480a.139616/
Now as far as comparing with Marantz, you have the Scott. You're looking at the Marantz. So why don't you just run them side by side and find out for yourself? Why would you care what anyone here thinks when you can hear for yourself?
Now as far as comparing with Marantz, you have the Scott. You're looking at the Marantz. So why don't you just run them side by side and find out for yourself? Why would you care what anyone here thinks when you can hear for yourself?