Vintage Simmons Drums (UK) Users Group

The PDF on simmons-synth.net is definitely for the SDS-3.
The SDS-4, or SDS Combo as it was also known as, is a 2 channel version
without the special effects channel.

Tom W.

----- Original Message -----
From: <gordon@...>
To: <Simmons_Drums@yahoogroups.com>
Sent: Saturday, August 20, 2005 11:53 AM
Subject: Re: [Simmons Drums] SDS-3 circuit board


> >
> > Gordon,
> >
> > The SDS-3 circuit board is single sided, I can do some closeups of it,
> > maybe Paul will put them on simmons.synth.net  ?
> >
> > Tom W.
>
> It seems that the circuit diagrams in the PDF for that page are for the
> SDS4.  It should still be possible to copy the SDS3 though.
>
> Gordon.
>
>