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Re: Hi-res XPander images

2012-04-02 by Do It Yourself Synth

My first goal is to build a 'basic' 6 voices clone. Theorically, after studying the schematic, it seems that hardware support up to 24 voices (4 voices boards) is here. But I don't know if the firmware would support this. The second problem with a 24 voices system is the cost and the availability for 24 CEM3372 & CEM3374 !
There is still a lot of job to do. I almost finished to reproduce the schematics I found in the service manual. But there is a lot of debug to do on them and I need photos since there is some strange things on the service manual drawings. And finally, I will support more recent VFD displays.
One more thing, the six voices won't be soldered on the voices board but they will be individually plugged into the voices board. So if CEM chips becomes too hard to find, it will be possible to replace these boards with new one with different filters and/or oscillators.

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