Ron Castro
Chief Technical Officer
Results Radio, LLC
----- Original Message -----
From: "ROBERT CARROLL" <w2wg@comcast.net>
To: "'Discussion of Ten-Tec Equipment'" <tentec@contesting.com>
Sent: Tuesday, March 14, 2006 6:33 PM
Subject: Re: [TenTec] orion with 2.055 firmware -- headphones?
>I have been a little irritated by the audio performance of the Orion using
> the TenTec external long-throw speaker. As far as I know this is not
> firmware related. It MAY be due to the power handling capability of the
> speaker, or it may be a limitation in power capability of the audio output
> stage. It certainly has a lot to do with the ambient noise level in my
> shack. In any event, using the speaker, the audio sounds normal till the
> audio gain is cranked up to a certain point, perhaps half scale on the
> audio
> indicator. Then the audio starts to distort as though something is
> breaking
> into overload. Listening to the signal over phones doesn't show the
> distortion. In any event the Orion doesn't seem to have the ability to
> "belt it out" to the extent of an ICOM 756 or an old beast like an FT900.
> I
> had read of similar issues with the FT1000MP which apparently has a wimpy
> op-amp audio output which was subject to self destruction if you demanded
> too much off it for too long.
>
> In any event the Orion has enough audio oomph with the speaker for most
> situations here, but when the linears are grinding away with some furnace
> noise in the background, I could use more "guts." Of course I never do
> any
> serious operating when the speaker is in use, but I wonder if anyone else
> has noticed a tendency to this audio breakup at moderate to high volume
> levels?
>
> Bob W2WG
>
> -----Original Message-----
> From: tentec-bounces@contesting.com [mailto:tentec-bounces@contesting.com]
> On Behalf Of K4IA@aol.com
> Sent: Tuesday, March 14, 2006 8:34 PM
> To: tentec@contesting.com
> Subject: Re: [TenTec] orion with 2.055 firmware -- headphones?
>
> You are correct. The new version has regressed back to the occasional
> scratchy distorted audio that was present in early versions of the
> software. I
> found that turning the volume control up and down again usually will fix
> the
> problem. Seems worse at narrow bandwidths and NR on but that is just my
> gut
> feeling.
>
> K4ia "Buck"
> Fredericksburg, Virginia USA
>
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