The best analog audio source is reel to reel tape player with master tape recording at 30 or 15 ips. The old recorder machine may require head, roller, capstan cleaning, head alignment and bias adjustment repair to get the best sound reproduction. Great gift for reel to reel tape deck and reel to reel tapes collector, owner, anyone who love analog audio at top sound reproduction. Bring back old memories from 60s, 70s, 80s music with reel to reel recording tape.