Only a small number survive, and working ones have sold for hundreds of thousands of dollars at auction.A few classic models that shaped hip-hop and pop music now sell for thousands of dollars.These big, old-school tape machines are making a comeback with audio collectors.Well-kept vintage tube amps from respected brands can be worth thousands.Silver-faced receivers from the 70s with glowing dials are hot items with audio fans.DJs and vinyl lovers still pay good money for these tough, legendary record players.Big, chrome-covered boomboxes from the 80s can sell for hundreds or even thousands.The very first portable cassette player is a must-have for music and tech collectors.An unopened original iPod reportedly sold for tens of thousands of dollars.The first Mac from the mid-1980s is a prized piece of tech history, especially in its original box.