From: "Jim Shorney" 
Subject: RE: [drakelist] TR7 Volume


On Wed, 28 Jan 2004 17:00:04 -0500, Gerry wrote:

>With regards to the audio problem, I was able to reduce it
>considerably by rerouting the volume control to just ahead of the LM380
>input. The downside is it involves cutting some traces and adding jumpers.
>Additionally, AM audio level is not as loud. It all comes down to what you
>can live with I guess. 


It never bothered me all that much, actually.  And since I started
working for a company that makes dispatch consoles, I've learned that
most of them have presets (harware or software, depending on the
vintage) to set a minimum volume level for the reasons I mentioned.  So
now I tend to view it more as a "feature".

Another way around the problem is to use some external gizmo like an
amplified speaker, DSP unit, or the like, that has a volume control.  I
had one of the RadShack DSP units on my TR7 for a long time, it also
worked well to reduce the high-frequency hiss in the audio when I was
doing 10-meter satellite work.  I'll probably hook it back up when I
get the new shack finished.

-- 
Jim Shorney      -->.<--Put complaints in this box
jshorney (at) inebraska.com
nu0c (at) amsat.org
Ham Radio NU0C
Lincoln, NE, USA
EN10ps
http://incolor.inetnebr.com/jshorney/

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