the JX3P sounds very different ti the Super JX-10 and MKS-70 because of the filters IR-309 which is the classic Roland filter eg used in SH-101 and MC-202
Super JX uses IR-309 VCF/VCA which has got a colder sound more like CEM

On 21/04/2011, at 11:32 AM, Florian Anwander wrote:

> HI David
>
>> Anyone here like the the MKS-70 and Super JX keyboard and idea of a CPU
>> upgrade for these
> I played a Super JX a long time ago, but don't remember well. As a Super
> JX is two JX-8Ps, which again are a quite similar in regards of voice
> hardware to the JX-3P, it should not be too difficult to adopt the
> firmware of the uP.
> But to be honest: there is not that much difference in the sound
> creation section between a JX-8P and a kiwitechnics JX-3P. So the most
> advantages might be seen in adding the
> Sequencer/Arpeggiator/Chordmemory/Pattern-stuff.
>
> Florian
>
>
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