[sdiy] help finding roland filter schematics?

[Florian Anwander]

Hi Dan

the schematics are linked in that file ;-)

http://fa.utfs.org/diy/roland_filters/SH1.jpg
http://fa.utfs.org/diy/roland_filters/SH2.jpg
http://fa.utfs.org/diy/roland_filters/SH5.jpg
http://fa.utfs.org/diy/roland_filters/SH7.jpg
http://fa.utfs.org/diy/roland_filters/SH09.jpg

These cutouts are mostly from scans which Mark Glinsky is selling. They 
were intended for informational use only. I could do some littlebit 
large cutouts, but if you want the full schemoe, then please buy it from 
Mark. He does a great job on that and I don't want to spoil his business.

Also there is http://spash.free.fr/download/synthmanuals/ from Greg 
Baumont with a lot of service manuals.

Florian


Dan Snazelle schrieb:
> 
> hey there
> 
> in my quest to better understand OTA filters, i have been trying to find some of the old roland OTA filter schematics
> in readable scans.
> 
> i found this CHART which lists which of the roland filters use regular OTA's.
> 
> http://fa.utfs.org/diy/roland_filters/index.html
> 
> 
> so i am looking for readable SCHEMATICS of the SH1, SH2, SH7, and maybe sh09
> 
> also...these are probrably good ones to look at in general for vco and lfo ideas,etc.
> 
> a few questions...does anyone know how much a BA662 compares to a ca3080?
> 
> also...in the later ROLAND OTA CHIPS are these basically just 4 otas on a chip? or is there something fancier going on? are these available as schematics anywhere?
> 
> Thanks SO MUCH!!
> 
> 
> 
> 
> 
> 
> --------------------------------------------
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> 
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