[sdiy] A few diy questions...

[Ken Stone]

Simple answer - 
1) if you can't find a 2NXXXX number, look for the same number as PNXXXX -
the modern plastic equivalent.
2) Avoid NTE if at all possible - overpriced like crazy.

Ken

>Hi all;
>
> I'm wondering what experiences people have had trying to clone the series 100
>stuff? The schematics found on Magnus's sight look fairly straight forward and
>there seems to be many replacement trannies etc on mouser/digikey. Is the
>NTE123A a decent replacement for the 2N3565? There seems to be alot of those
>used in the 100 series.
>
> Anyway I'm starting my modular system by building my two ASM2's and 9090 kits
>first. Then I'd like to build four 3372 based Matrix 12 filter clones. I wonder
>if I'd be able to separate the 3372 and that extra multimode filter cicuitry
>into two modules. Just have a 3372 lowpass module, and another module that
>allows multi-mode filtering when a similar 24db filter (or any other audio
>source) is plugged in. Maybe make a bypass using a switching jack allowing an
>different audio source besides the 3372. I have a couple of CEM 3396 and wonder
>if anyone's worked with those?
>
> I think the first series 100 module I'm going to build is the mixer module
>seeing as I don't have one. Also, are there any other Optoisolators fit for
>lowpass gates?.... 
>
>I should probably just buy a bunch of stuff and start experimenting. ^_^ 
>
>Thanks
>
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_______________________________________________________________________
Ken Stone   sasami at hotkey.net.au or sasami at cgs.synth.net
Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>