> Hey, there are lies, damn lies, statistics... and press releases. But
> where's the test data that SHOWS the Argonaut V/ADSP2 has better specs
than
> the Omni VI+? This is just someone's ASSERTION.
Presumably
>
> Re the "Omni VI+ has no filtering"... sure it does. Do you mean that it
has
> no DSP filtering? It has crystal filtering, which when combined with the
> onboard audio DSP does a fantastic job of eliminating interference and a
lot
> of atmospheric noise especially when copying CW. I can throw in the 250
Hz
> filter and then switch in DSP... and CW which was barely discernable
against
> the background noise now leaps out and can easily be copied. Re notch
> filtering... with the tunable notch filter I can easily remove a single
> noise source from the audio. I'll concede for the sake of argument that
> ADSP2 may be marginally better than the VI+'s built-in audio DSP -- it
does
> offer more configurations to the user.
That is what I would like to find out
>
> Here's how to add it: SGC offers an outboard ADSP2 Speaker. Plug it into
> the headphone jack and then you can A/B ADSP versus the Omni VI's integral
> DSP. I'll grant that DSP has improved since the late '90s... but I
> seriously doubt that an Argonaut V can be improved to Omni VI+ with the
> addition of audio DSP. You can't magnify something that the receiver
can't
> copy in the first place. Of course, you don't get the 3 digital filters
in
> the speaker (why not I don't know... I'd build my own speaker with the
> hi-power board, save some $$, and have the better solution).
I believe it would be best to connect the ADSP2 board before the AF
according to what I have read.
>
> Seriously, while I think the ADSP2 boards offer a lot to hams, I don't
think
> that adding one to any rig, whether it be an SGC 2020 or an Argo V, will
> turn that rig into the proverbial Holy Grail of radios. But, it's a free
> country.
Yes it is - and don't get me wrong, I love my Omni VI+, but I have used the
sg-2020 with and without the ADSP2 option, and I would not be surprised if
the ADSP2 board was installed in the Omni VI+, one would see a significant
improvement.
You could also add the KDSP2 option to your K2 as I am about to do...
--Larry
>
> - jgc
>
> John Clifford KD7KGX
>
> Heathkit HW-9 WARC/HFT-9/HM-9
> Elecraft K2 #1678 /KSB2/KIO2/KBT2/KAT2/KNB2/KAF2/KPA100
> Ten-Tec Omni VI/Opt1
> Alinco DR-605TQ
> Icom T90A
>
> email: kd7kgx@arrl.net
>
>
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