[sdiy] favorite "magical" opamp?
cheater00 at gmail.com
Thu Oct 7 17:50:43 CEST 2010
Good to know - maybe you can (ab)use that to make musical things.
On Thu, Oct 7, 2010 at 17:16, Antti Huovilainen
<antti.huovilainen at iki.fi> wrote:
> On Thu, Oct 7, 2010 at 5:34 PM, David G. Dixon <dixon at interchange.ubc.ca> wrote:
>>> A lot of big name "studio grade" mixers and preamps from
>>> SSL/AMEK/Focusrite etc in the 80s and 90s used TL07X and 5534/5532 opamps.
>> This discussion has got me wondering whether the way we configure these
>> opamps might not be just as (or more) important than the opamps themselves.
>> I'm thinking about the value of the feedback/input resistors and the use of
>> compensation caps here.
> Inverting vs non-inverting configuration makes a large difference in
> the distortion performance
> of almost all opamps. Non-inverting has often order of magnitude more
> distortion. The distortion
> is further increased if the source impedance of previous stage is high.
> "No boom today. Boom tomorrow. There's always a boom tomorrow."
> -- Lt. Cmdr. Ivanova
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