OldSynths

I couldn't find it in the files section! So, I've always been 
intrigued by these, but never knew how they work exactly. They turn a 
monophonic signal polyphonic? What's the science around them? I'd 
like to see the schematics if they're available.
Thanks
Mike

--- In oldsynths@yahoogroups.com, "Martyn Meere" <coolpad@b...> wrote:
> 
> Hi there,
> 
> I am new to the group. I am looking for a EML PolyBox so if anyone 
> wants to sell one, please email me at coolpad@b... 
> 
> I saw that the schematics are in the Files Folder so I am also 
> wondering if anyone has built one themselves, or if someone is 
> producing any pcbs. I would like to build one myself but I am still 
> trying to get up to speed with building stuff myself. Any help 
would 
> be very much appreciated.
> 
> Kind regards,
> Martyn