http://elecraft.85.s1.nabble.com/SSB-transmit-audio-Where-s-the-punch-tp5600109p5604565.html
> K3 as the other rigs. There actually is a clarity advantage to the
lower. Set the top three bands for at least 3 dB/octave (+3, +5, +6
dB) boost ... that works well with a mic that has some natural high
frequency boost like the HC-4. For flatter mics (like the new HC-6
or a CM-500) use more high frequency boost (between +6. +10, +12 dB
and +9, +16, +16 dB) to provide clarity. Since the human voice has
"notch" in the middle (-6dB at 800 Hz) ... cutting that band helps
communications (vs. some "golden ear" belief in a bandwidth more
... Joe, W4TV
> A lot of the "punch" on older rigs is because the low end rolloff on
> TX for communications audio IS IN THE TX components and cannot be
> changed or "optioned" out. The K3, to satisfy all the vocal desirers
> of options, lets the user set everything, so that every body can have
> it his own way, from "I want my beautiful deep bass voice to be heard
> on ESSB", to contesters' "I just want my highs out there on the power
> peaks, I ONLY care about maximum QSO's, fidelity be damned".
>
> In the old analog rigs, all that stuff was wired in, one resistor and
> capacitor at a time, and the choice implied by the discrete components
> used was THE choice, PERIOD. I note that some of the rigs quoted
> earlier are in that collection. What was done in those was to favor a
> highs-emphasized TX audio, with as little distortion as possible.
> SOME clipping helped with average power. ESSB advocates should note
> that NONE of those emphasized the bass, unless someone went in and
> monkeyed with the discrete components, or put a banded preamp between
> the mic and the rig.
>
> What that state of affairs did was ENFORCE a defacto communications
> audio default, very soft on bass and hard on highs.
>
> Now you have K3 users with no clue about how to set the TX eq and
> clipping level OPTIONS to get the IDENTICAL shape to their voices on a
> K3 as the other rigs. There actually is a clarity advantage to the
> K3's clipping method IF you know where to set all the options.
>
> The problem is that in the bright new digital world, with options to
> satisfy every conceivable preference, ONE HAS TO KNOW HOW TO SET THE
> OPTIONS AND LEVELS TO GET WHAT HE WANTS. Add that to NOBODY EVER
> WANTS TO READ THE MANUAL. (I, personally am no better than anyone else
> here, I HATE reading manuals.) With the combo you get complaints that
> "My K3 is broken" because the user doesn't know that's an option and
> he has to set it his way in that menu. Likely perceived awful and
> confusing, because to understand the menu you have to read the manual.
> And there are so many optional behaviors that keeping up the manual
> is a real piece of work, and requires the most talented of technical
> writers to explain it in a straight-forward effective manner.
>
> This is not a peculiarity with a K3. N1MM has that problem because of
> the huge number of options, as does all the MicroHam stuff, which
> serve a very wide audience IF the users understand the options. I
> pretty much suffered brain damage learning MM logger. Microham was
> better because I had W4TV. K3 was easier yet because of the reflector.
> Flexibility generates confused digital options newbies all over the
> place in all kinds of pursuits. The universal curse of the age of
> digital options freedom.
>
> These days RTFM is really the only way out. Unless someone who has
> the time, inclination, and the sharp knowledge of all the options,
> sets up a utility which sets a spectrum of options based upon older
> rigs.
>
> Since the version D DSP board, this actually seems possible. Once you
> learn all the diddles, the K3 is marvelous. I have its RX sounding
> like my 75A3, IF I use a good speaker. ALL my computer speakers turn
> out to be crap beside my old-time Acoustic Research bookshelf speaker.
> If I run my 75A3 to the computer speakers, the 75A3 sounds like crap.
> Of course the sonorous old AR 8 ohm needs a 10 watt audio stage or an
> amp to drive it because it is so brutally inefficient.
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