I posted a week or so ago about how I'd bought a Laserdisc player.  Anyway, I've been running it into my BeoMaster 5500, switching over the Aux imput when needed.  Anyway, whilst it's awesome, I'd obviously not want to have to switch or (even more) messy cabling.

1) If I fashioned a switch or merged cables, I suspect I'd get a load of feedback or interference

2) I could make a very low powered AM/FM modulator and wrap it around the ariel, effectively having it stored as a radio station.

Both have their downsides, although I have I missed something? Suggestions?

What else have you attached? I run multiple sources into mine by using both DIN and RCA inputs. As long as they are not Datalink, just the one playing will work. Tape 2 is a good input!!