Read the article, it was in the ARSC Journal a while back, maybe a year or two. Too technical to 
summarize here, at least for this non-EE.

----- Original Message ----- 
From: "Andrew Hamilton" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, April 10, 2012 8:39 AM
Subject: Re: [ARSCLIST] Recording_78rpm_records


>>>> Gary has also written for ARSC Journal advocating analog playback and EQ of
>>>> grooved media, rather
>>>> than "flat playback" and software EQ, and has specified the technical
>>>> reasons why analog EQ works
>>>> differently from DSP EQ.
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> What is it about minimum phase digital audio equalization, such as that
> found in a de-RIAA or RIAA plugin, that Mr. Galo feels is not up to snuff?
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> Andrew
>