The connector in question is an 8-pin DIN in the back, which in the days of yore (almost eight years ago) would have been used for a CD changer. Since CDs are old news now, [Kalle] made use of ...

Q. You recently recommended a refurbished Integra CDC-3.4 6-disc CD changer for $249 and a new Onkyo DX-C390 6-disc CD changer for $349. You seemed to prefer the Integra over the Onkyo.

And products such as Yamaha's five-disc changer, the high-end Hegel Viking, Arcam's CD5, Pure's C-D6 (a DAB radio with a built-in CD player), and B&O's hugely expensive vertical six-disc CD player ...

A Motorola MC6809 ran the show while a stepper driven robotic arm tipped with a suction cup fetched the selected disc. [nophead] has an interesting blog covering his work on building a 3d ...

A CD-ROM drive that holds a small number of CD-ROMs for individual use on a desktop computer. Although it can swap discs, it typically contains only one drive and can only read one at a time.