Roland CV Sequencer CMU-800 with Apple IIe

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via this auction
This is a fairly unique opportunity to get hold of a Roland CMU-800, and the computer required to run it, with an easy to use and space saving SD card floppy disk system, without having to spend months/years trying to put your own set-up together. Buy it all in one go and take all the ball ache out of the equation. Hook it up to your CV/Gate synths and start making music now.

Mint condition and working Roland CMU-800 8 channel CV/Gate Sequencer and manual,with built in 7 voice analogue drum machine supposedly similar to the TR-606.(I actually prefer the CMU's drums as they seem cleaner and snappier to me than the 606.The hats are also better in my opinion.

Also a very basic unfiltered 6 voice digitally generated synthesiser.(Actually quite useful for testing out compositions without having to fire up your precious vintage synths, and I'm sure I can hear these sounds on Doris Norton's Personal Computer album)The interface card is a clone I built myself and it works exactly as the original.

Plus it comes with an Apple IIe personal computer (rebuilt power supply)with SDISK II SD card floppy disk drive, so no bulky annoying 5.25" floppy disks or drives required.Working and in very good condition for it's age. I will supply this with 5 SD cards.

THE SOFTWARE LOADS UP FROM SD CARD AUTOMATICALLY ON POWER UP AND LOADS IN 8 SECONDS.
You treat each SD card as if they were 1 floppy disk. You use 1 SD card to load up the Sequencer, then you change SD cards and use another one for loading/saving your songs. Easy. And also easy to archive all your work. Just put the SD card in your computer and copy the file somewhere safe.Double easy.
You can also do the bulk of your programming on a PC based Apple II emulator(no sound or CV/Gate control possible of course) and then load that file up into the real thing for fine tuning and to see how it sounds.
(I may consider offering some spare parts(1 motherboard for spare chips/disk interface card and more) with this Apple IIe if you turn out to be a cool customer.This is totally at my discretion and is not guaranteed or offered as part of this auction.Contact me if you are interested in this proposition)

Also comes with a handy little 10" composite/vga monitor which is plenty big enough to work on and doesn't take up much room. This has a scratch on the front of the screen but it doesn't cause any problems during use of the sequencer software.This also comes with it's own power supply and composite lead.

Operation
If you build a complete song from start to finish then there are no problems that I have found, however, the loop function in the software can sound a little sluggish(at least to my ears) I'm guessing that this is because it takes time for the old 6502 to get back to bar 1 (a sloppy coded IRQ I suppose). Just put together a song by using the repeat command to repeat as many steps as is required (easy to do, and what this was really designed to for(the centre of your CV studio)).You also do the same for the internal rhythm channel if you are using that.That's about it for old school problems.(not a problem if you actually write a complete score)..."