Posted By
MIK
on 2018-04-03
05:38:54
 |  Re: Modern sound chip for the Plus/4?
That C64 Sound Expander might be an easy option to look at but really it's a bit too simple in my view. Unless you have full control over the sounds, as in sound editing synth software then it will offer very little. It might as well be called a pre-midi sound module.
Don't forget that like the Portasound keyboards that came around that time such as the PSS460/PSS470 they have FM drums. Those drums are regarded as cool today but could use 3 of the 9 voices. 
If such a thing was possible the 1988 PSS480/PSS680 era of 2-op FM chip keyboards would be the one to go for as these babies are 12 voice/note polyphonic. Another idea would be to have a midi box on the Plus4 and software so it can talk to these keyboards directly. That would reduce the need of an FM chip to put on a circuit board.
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