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Re: [TenTec] ALC action on Orion

To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Subject: Re: [TenTec] ALC action on Orion
From: "Gary Hoffman" <ghoffman@spacetech.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sat, 30 Dec 2006 19:08:23 -0500
List-post: <mailto:tentec@contesting.com>
Well....the way I've always used the two controls together is:

1.  Set power control to about the desired level.

2.  Adjust ALC for voice peaks (if using voice).

3.  Use moderate sound card gain if using a digital mode....then set ALC
(again after setting power


----- Original Message ----- 
From: <K4IA@aol.com>
To: <tentec@contesting.com>
Sent: Friday, December 29, 2006 11:07 PM
Subject: Re: [TenTec] ALC action on Orion


> Yes, that is correct - with the Orion, the lower power setting makes the
ALC
> much more sensitive.  Since the ALC has some lag and overshoot, you  can't
> rely on the ALC alone to keep you from splattering.  You have to  adjust
your
> audio drive (mic gain or PSK input level).
>
> Here's the part I don't get:
>
> No one has suggested you back down the SSB mic gain to reduce the drive on
> your Orion to an amplifier.  Say I only need 50 watts drive - Am  I
supposed to
> reduce my mic gain to get there?  Seems to me that would  leave me with a
> thin under-driven sounding audio similar to someone who talks  too quietly
or too
> far from the microphone.  I would think you would drive  the audio fully
and
> reduce the PWR control down to 50 watts.  If I remember  correctly, the
> instructions say the ALC should just flicker on voice  peaks.  That would
never
> happen if you reduced the mic gain to lower your  output.
>
> And yet, some say to lower the power output with PSK, you should leave the
> PWR setting on 100w and reduce the mic gain to your target output.
>
> I am away from home and don't have my Orion in front of me to try this out
> but it is making me very curious.
>
> k4ia
> Craig  "Buck"
> Fredericksburg, Virginia USA
>
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> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
>


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