[sdiy] OP275 [was: Re: Audio mixers]

David G Dixon dixon at mail.ubc.ca
Thu Jun 23 05:01:04 CEST 2011

> > I came away from Self's book with one clear directive: always use 5532
> in
> > audio applications.  His reasons are clear and compelling.
> >
> I suppose the input bias current is not an issue? Power suppy current?

These points are all raised in Self's book.  He doesn't say that 5532 is
perfect; just superior.

> They have a certain "sound" but they are 'colored' (ie 'British EQ a le
> Neve).
> I guess my use of OP275s is why I've only sold 10,000 MOTM modules.
> Sheesh.

No need to get defensive.  Just read Chapter 4 of Self's book and draw your
own conclusions.

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