[ProAudio] Microphones question--Mic preamp gain and optimum mic output level

Crispin HT crispin at crookwood.com
Mon Jun 21 01:21:31 PDT 2021

Looking at the Merging and DAD hardware and specs, I suspect this is the
approach they have taken - the analogue mic amp circuitry is small (not
enough parts for a non CMOS remote analogue gain stage)  and is right next
to the ADC

Kind Regards
Crispin Herrod-Taylor
Managing Director, Crookwood
Tel: +44 (0)1672 811 649
Mobile:+44(0)7910 637 634
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-----Original Message-----
From: ProAudio <proaudio-bounces at bach.pgm.com> On Behalf Of Scott Dorsey via
Sent: 21 June 2021 00:52
To: proaudio at bach.pgm.com; lists at richardhess.com
Subject: Re: [ProAudio] Microphones question--Mic preamp gain and optimum
mic output level

For many years you could make the argument that the lowest level usable on a
typical A/D was limited by linearity problems rather than noise, and so for
a long time people weren't really all that worried about converter noise
since the "correlated noise" which is to say distortion was a more
significant issue.

Times sure have changed, and now linearity is pretty good and an approach
like you describe might actually be workable.
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