[LAU] OT: Microphone choice for pipe organ

fons at kokkinizita.net fons at kokkinizita.net
Tue Jun 15 15:13:18 UTC 2010


On Wed, Jun 16, 2010 at 02:19:26AM +1200, Chris Edwards wrote:
> fons at kokkinizita.net wrote:
> > That's a fairly accurate description. A good example is the 
> > ADA8000 8-ch AD/DA with mic preamps.
> >   
> Ah yes, I do hate the mechanical detents on the ADA8000, and I've
> certainly noticed the increasing mains hum across the channels, too. 
> However, the worst engineering fault I've noticed is that the analog
> stages clip before the ADCs!  Have you observed this on yours?

The result of an attenuator after the opamps driving the
ADC, probably meant to reduce the noise contribution of
those opamps. It's quite easy to fix this, and doing that
will give you some extra gain as well.

Ciao,

-- 
FA

O tu, che porte, correndo si ?
E guerra e morte !


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