use the correct op-amps.
On Fri, Feb 3, 2017 at 10:11 AM, Stephen Richards okayjustalittle@... [cgs_synth] <cgs_synth@yahoogroups.com> wrote:I built the CGS 202 to incorporate into my new custom panel.Since testing i had noticed a constant very high pitched (around 12K) noise in the background of the output , even though the normal function of the Res Eq seems fine.I have used OP275 op amps in this build and styrenes for every single frequency. Wima caps everywhere else except the 47pF, which are ceramic.
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