Vintage Synth Repair

That sounds like you'll need to find and replace one or more leaky electrolytic caps.  With any machine that old, you are likely to find that.  Can't help you on anything more specific without actully having the unit hooked up to a scope.  Sorry.

--- In vintagesynthrepair@yahoogroups.com, "letcista" <jose.gouveia.pereira@...> wrote:
>
> Hello group.
> I bought an old elkatwin 61.
> Poly section (A or B) has both the same problem.
> When I press more than one key the sound becomes distorted and the more keys I press lower is the volume.
> Any sugestions will be apreciated.
> Best regards.
> José
> Portugal
>