I've been using a radio Shack 300mA supply on my korg for the last year without any problems.
But I would agree that having at least 500mA would be preferrable.
there are 1A 9v adapters on ebay everyday for about 5 dollars shipped... I may have to invest in one and upgrade mine.
-Blaine
--- In korgpolyex@yahoogroups.com, Michael Hawkins <korgpolyex800@...> wrote:
>
> Holy moly! My bad, I meant to say 600mA. But you're right that 1Amp is really the right size for it.
>
> Mike
>
>
>
> ________________________________
> From: Gordon JC Pearce <gordon@...>
> To: korgpolyex@yahoogroups.com
> Sent: Tuesday, October 2, 2012 1:05 PM
> Subject: Re: [korgpolyex] New Power Adaptor for Poly 800 and question about multi mods (Hawk)
>
>
> Â
> On 02/10/12 13:48, Michael Hawkins wrote:
> >
> >
> > You will need a 9V DC 300mA power adapter.
>
> 300mA doesn't really sound like enough; mine draws a good 650mA when
> it's running. The PSU that came with it is rated at 1A, but failed some
> time ago. I now use it with a 1.5A PSU because that was what I had
> kicking about ;-)
>
> --
> Gordon JC Pearce MM0YEQ
>