Vintage Simmons Drums (UK) Users Group

I've been told that the SDE is based on Yamaha chips and was wondering if the dx5 or dx7 cartridges would be similar to the sde memory cartridges.  Am I nuts or would this be worth a little electronic R&D.

--- In Simmons_Drums@yahoogroups.com, "darkideas@..." <david@...> wrote:
>
> I'm guessing these are very rare then?
> D
> 
> --- In Simmons_Drums@yahoogroups.com, "darkideas@" <david@> wrote:
> >
> > So I have started using my SDE again but have lost the memory cartridge, anybody got any they want to sell?
> > Thanks
> > D
> >
>