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Re: [TenTec] Modern version of the Tec Tec Corsair - please Ten Tec!

To: Kimberly Elmore <cw_de_n5op@sbcglobal.net>, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Modern version of the Tec Tec Corsair - please Ten Tec!
From: "Martin Sole (HS0ZED)" <martin@hs0zed.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Thu, 02 Oct 2014 17:36:40 +0300
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
Kim,

Yes I have tried that on the Orion 565, not sure if the K3 supports such changes and yes I would concur that it does create a more 'analogue' sound. I did have a chance to listen to a friends TS990 recently and was impressed how 'analogue' that sounded.

A modern analogue Corsair radio should certainly have some market, but it needs the kind of differentiation that would make it worthwhile. Great audio is one but a lot of the other Ten-Tec elements need to be in the mix as well.

Martin, HS0ZED



On 02/10/2014 17:11, Kimberly Elmore wrote:
Indeed I am! I'm also adding ripple to the passband, decreasing the ultimate rejection 
and adding ringing to the filter skirts. In short, it's a DSP way to make the passband 
look more like the physically realized filters that we use in analog rigs. My point was 
has anyone else tried this and did it sound more "analog" to them when they did.

I know that analog AGC will also make a big difference to the rx sound and 
there's probably nothing we can do about that aspect to make the AGC cat more 
like an analog AGC (with all its attendant shortfalls), though I tend to like 
my AGC to have a relatively slow recovery for anything but serious contesting 
or DXing.

I guess this addresses how malleable our DSP is within our radios: can we use 
the DSP to simulate or emulate an analog radio? Like a virtual OS, can be make 
a virtual analog radio?

Kim N5OP


On Thursday, October 2, 2014 9:00 AM, Barry N1EU <barry.n1eu@gmail.com> wrote:

You're broadening the filter slopes by decreasing taps.

Barry N1EU

On Thu, Oct 2, 2014 at 1:54 PM, Kim Elmore <cw_de_n5op@sbcglobal.net> wrote:

Within the DSP setup in the O2 (and probably the other TT DSP radios) we
can select the number of "taps," which I think sets the number if samples
or the sample interval.

I played with that some time ago and, while it was a bit buggy for certain
selections, it changed the timbre of the recover audio. My personal
impression was that it tended to sound "more analog."

This isn't completely OT, because the discussion centers around how
pleasant the Corsair II audio sounds. Has anyone else played with the

  number of taps within the DSP set up and come away with similar impressions?
Kim N5OP

"People that make music together cannot be enemies, at least as long as
the music lasts." -- Paul Hindemith


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