Vintage Simmons Drums (UK) Users Group

Michael,

Thank you for the offer of help; I'd appreciate seeing the 
schematics and any pics you might have as well. 

FWIW, I have already sourced the needed old stock parts in 
reasonable small production quantities.

I'm also aware of the Moog ladder filter clone in the unit.

You can email me in reply here, or direct at randaleem at yahoo.com

Again thank you for the offer to share schematics and pictures of 
the SDS3.

Many here say just do it; but I'd still like to find Dave S or 
whomever now has the rights and ASK permission. Guitar center was a 
dead end so far.

Randal 



--- In Simmons_Drums@yahoogroups.com, <michael.buchner@...> wrote:
>
> Ok, is your clone already working? I guess, not! You discuss about 
permissions, you should discuss where to get the replacements for BC 
557, 2N 5172, LM 3086, 2N 5459 and so on. For all not to be into 
schematics so deep: These are the relevant electronic parts ;-.)).
> B t w.: Dave Simmons cloned the original Moog ladder filter for 
his SDS3/4 Drum Synthesizers. May be he didn't know, because he 
cloned it from an ARP synthesizer :-))). So: If you want to produce 
a number under 10000, nobody will care, I think. If you want help, 
no problem. I have good detail photos and the REAL schematics of 
SDS3.
> Cheers
> Michael