[sdiy] LT1228

tomg e4m at houston.rr.com
Sat May 21 03:00:55 CEST 2005


Not that I know of but I built one anyway :)
It is very nice a lot like the 2044 very very
very smooth....

http://www.ele4music.com/pdfs/vcf12a.pdf


Regards
Tom


> The 13600 Korg used for the filter in the Delta and it's quite nice.  
> That diagram is online.  -Bob
> 
> Ray Wilson wrote:
> 
> > I think the LM13700 chip is excellent. In my opinion it is miles 
> > better than the CA3080 and definitely on par with the CA3280.
> > They are relatively inexpensive and just a great chip. I know I'll 
> > hear about this one.
> >
> > Ray
> >
> >
> >
> > ----- Original Message ----- From: "Gabriel Lindeborg" 
> > <gabriel at lindeborg.org>
> > To: <synth-diy at dropmix.xs4all.nl>
> > Sent: Friday, May 20, 2005 10:03 AM
> > Subject: Re: [sdiy] LT1228
> >
> >
> >> Am I crazy or blind but it seems as if National still produces the 
> >> LM13700. Is the LM13700 chip that bad?
> >> http://www.national.com/pf/LM/LM13700.html
> >>
> >> //Gabbe
> >>
> >> Oakley Sound wrote:
> >>
> >>> Anyone used one of these? Its an OTA with output amp and its seems 
> >>> to still be available from Linear Tech. Its a bit pricey though and 
> >>> the offset spec is nothing to shout about. Might be worth a look 
> >>> though.
> >>>
> >>> http://www.linear.com/index.jsp
> >>>
> >>> Tony www.oakleysound.com Oakley Modular Systems
> >>> Penrith, Cumbria, England
> >>>
> >
> >



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