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I’ve only been trying with a hardware controller so it’s hard to say anything about the software aspect. I think the software side of things would actually be less problematic. I have been in contact with the someone who worked for ensoniq and who actually implemented the midi specifications. It turns out it may be just one of the idiosyncrasies of the unit that it is troublesome to alter parameters in real time with a hardware controller, though I have some other workarounds to try.
If anyone is going to try and program a software editor I might have some information if they need it. I still like the DP4 regardless.
” title=”Smile” />After messing around for a few days with the Dp/4 and a kenton midi controller I haven’t go very far. I can’t get anything to work via the system/midi settings. I’m definitely on the right channel, set the controller etc. – nothing. It’s definitely receiving some sort of midi message, as indicated by the front midi led, but no changes. I did manage to get the sysex commands to work for changing parameters, though it is so temperamental as to be unusable. Any fast (or even slightly fast) turn of a knob causes the dp/4 to freak out. I get the feeling this is more how its receiving the data the a speed processing issue, though I could be wrong. The value of the parameters in the sysex string is contained within two bits. If I change just one bit of the value (say moving by 16 instead of 1) it would not cause the error, though it still freaks out if you change to a different parameter. Very confusing that from a fairly comprehensive midi implementation I can’t get any of it to work at all. Maybe I’m doing something dumb, or the kenton isn’t compatible for some reason.
I’ve attached the .pdf file here, hopefully it works.
I had a quick look for the manufacturer of the transformers, and it appears they are based in italy:
http://www.acem-transformers.com/
I emailed them for some specs but no reply yet.
Hi italo,
Sorry I don’t the answer to your question. I’d be interested to know if you can change the transformer yourself, however. I have the US model also (120v) and have to use a step-down
transformer to run it here in Australia on 240v mains. From memory when I looked at the service manual it didn’t help me much. If you go to the yahoo group for the DP/4 you can
download the service manual from the files section.Let me know if you can figure it out and explain it to me! If you actually have the dp/4+, rather than the dp/4 there is a way to switch the voltage without changing the transformer.
That would be really cool if you could upload the entire specifications.
Any problems setting it up jhn?
I have dp/4 arriving soon and plan to try and set it up with a kenton midi controller. From what I read on the yahoo group, soundquest doesn’t work very well with the dp4.
Where you able to find an alternative? I have a 16-page sysex/midi implementation manual (not sure if its complete) and will try to program the dp4 / kenton when it arrives.
