Elektor Formant Modular

Fantastic!

Thank you

--- In ElektorFormant@yahoogroups.com, 
"meistermischer" <unterton@...> wrote:
>
> 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
> > >
> >
>