Elektor Formant Modular

Hi, 

I don't know where the both of you live, but here in germany these
connectors are still commonly available. Just do a quick search for
DIN 41627 at www.segor.de and you will see.

Chris

--- In ElektorFormant@yahoogroups.com, "formantsyn" <formantsyn@...>
wrote:
>
> Hi Marek,
> I read your post with great interest, as I wish to build some of the 
> 'Book 2' modules. My problem has also been the pcb scans, however, 
> your solution is just what I need - will the pcb's be in a format 
> that can be manufactured by pcb-pool (or similar company)?
> 
> When first published I made all of the 'Book 1' modules (but none 
> from Book 2 - yet!) and I am in the process of revamping my original 
> Formant by designing new front panels so I can fit in a 4U 19" sub-
> rack.
> 
> If anyone is interested I can upload the front panels (which are in 
> schaeffer format) to the 'Files' section.
> 
> BTW the DIN 41617 (31-pin) are no longer available so changing the 
> connector was the right choice.
> 
> Cheers
> Roger
> 
> 
> 
> --- In ElektorFormant@yahoogroups.com, 
> "kuczynskimarek" <marek.kuczynski@> wrote:
> >
> > I'm also new here. Back in the 70's when I was a student, I 
> couldn't 
> > afford to build the Formant. Now I'm a bit older... Anyway, I too 
> > found all the pdfs on the web and decided to have a go. I was not 
> > too impressed with the scans - they were a bit rough around the 
> > edges, over(under?) exposed so some of the holes weren't visible 
> and 
> > some of them even had discontinuities due to bad scanning. I even 
> > came to the conclusion that the scans weren't 1:1 so would require 
> > some tweaking in Photoshop. In the end, I decided (because I'm 
> > totally insane) to redraft the PCBs using the original scans but 
> > with nice clear lines/holes etc. I also took the opportunity to 
> > redimension some of the components e.g. nobody uses HUGE 1/2W 
> > resistors or those humungous presets any more so I've made the 
> pads 
> > closer together. I've also incorporated some of the changes e.g. 
> FET 
> > stages in the VCO and a redesigned temperature-controlled 
> > exponential circuit due to the non-availability of the original 
> > chip. Also the dual matched pairs in the VCF etc have been 
> rejigged 
> > to acept available devices.
> > 
> > The boards are supposed to be standard Eurocard size i.e. 100mm x 
> > 160mm, except for the VCO which is "supposed" to be double-
> Eurocard 
> > but isn't, for some strange reason. As for the 31 pin conncetors. 
> > Has ANYONE managed to source these? I've replaced them with 32 pin 
> > connectors which are commonly available.
> > 
> > If you give me your e-mail address I can send you a VCF file (12 
> or 
> > 24 db) so you can see what I've managed to do.
> > 
> > I've actually redrafted all of the main boards and I'm about to 
> > embark on the "Formant Book 2" boards. I haven't yet managed to 
> > manufacture a single board as I'm in the middle of building a 
> > workshop (shed actually) so I can slosh Ferric Chloride around 
> with 
> > gay abandon. My wife has palpitations if I even bring a bottle 
> into 
> > the house!
> > 
> > This offer is open to anyone in this Group. Tell me which boards 
> you 
> > are interested in and I'll send you the files. You can be my 
> guinea-
> > pigs until I get the opportunity to make them myself!
> > 
> > Marek
> >
>