Eric:

I was afraid of that.  It may be an open-loop amp chip on the FireBox.  That 
could explain why there is such high gain now.  The higher harmonics must be 
filtered out by the audio passband.  I'll try to check further.

What is your policy on repair since I bought it from you guys, in case it needs 
it?

Gary AI4IN
---- FlexRadio - Eric <[EMAIL PROTECTED]> wrote: 
> There have been no changes to the AGC on RX or TX that I am aware of.  N4HY
> can confirm.
> 
> 
> Eric Wachsmann
> FlexRadio Systems
> 
> > -----Original Message-----
> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> > radio.biz] On Behalf Of Gary W Strong
> > Sent: Monday, July 24, 2006 8:24 PM
> > To: FlexRadio@flex-radio.biz
> > Subject: [Flexradio] Personus Firebox Adjustment
> > 
> > Anyone with a Firebox:
> > 
> > 
> > 
> > I've encountered a really strange phenomenon recently and I'm sorry to say
> > I
> > haven't been tracking the emails here closely to know if it is a "feature"
> > of a recent software release of the SDR or not.  I am using the latest
> > release (1.62) and found that it really doesn't matter anymore where I set
> > the volume on my FireBox microphone input anymore, the ALC runs at about
> > the
> > same level and the output (via MON or via a separate receiver) sounds the
> > same.  If I turn the Mic knob on the Firebox down sharply, there is a very
> > short drop in the audio, but then it picks up again to the level it was
> > at.
> > It really acts as if there is an AGC in the mic circuit now that wasn't
> > there before.  Is this really true?  Or, am I missing something really
> > simple?  I did notice that people reporting on my audio now say it is very
> > bassy and they didn't say that before.
> > 
> > 
> > 
> > Gary AI4IN
> > 
> > -------------- next part --------------
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