What is this amp exactly worth these days? I obtained it from a friend, Googled it, and back in the early 2000s it was a $1900 amp, is this rare to have these days, and is it actually worth something? db drive platinum series pd1200

My stash box of stereo gear goes back 20 years or more. A knowledgeable work acquintence claims that current $160 speakers like a Hertz brand, will be far superior to my old kef kar110 midrange speakers. I had always thought that the old school theories and methods still hold true and that a...