--- In
korgpolyex@yahoogroups.com, "Alexandre Souza" <alexandre-
listas@...> wrote:
>
> > Interesting but potentially dangerous if somebody else grabs that
> > midi feed not knowing there's power on it. You could also provide
it
> > from the audio cable on TRS I suppose, since you may not always need
> > a MIDI cable plugged in, but you will always need the audio out
> > cable...
>
> There are two pins which are not used in the MIDI specification.
You can
> feed 9VDC there and supply the Poly.
>
yeah, that means you have to build your own cable because those wires
don't exist in regular MIDI cables. So you've got a 9vdc adaptor
running into a hacked-together MIDI cable - what a mess. Why not just
plug the adaptor into the socket the Poly 800 already has??