Gary,

Both those microphones should work well with the K3. Couple that with the fact that you hear things OK in the monitor. That suggests that there is something else wrong with your K3. I would first check the filter selection for transmit using K3 Utility and make certain the actual 2.7 (or 2.8) kHz filter is selected for transmit. All the rest that I can offer is that one K3 I had a hand in testing needed to have the Reference Oscillator re-calibrated because of a similar problem - that is worth a try. If you continue to have problems, contact Elecraft support for additional assistance.

73,
Don W3FPR

On 6/7/2013 4:25 PM, Gary Smith wrote:
I use a K3 and rarely work SSB and I'm 99+% CW. I normally use a set
of Bose QC15 headsets and have a very old Heil HC-4 Mic element in an
older HM-5 Ball tip desk mic.

I've been consistently getting poor reports with SSB but listening to
the K3 monitor I'm not hearing anything unexpected. The HC-4 element
was geared to contesting and DXing, not for a pretty voice quality.
Perhaps there's a problem with the mic or the settings but I bought
the element back around 85 or so and the mic has been dropped over
the years so maybe I should try another mic & see if that makes a
difference. Problem is I have no other mic to try except a few old
Neumann studio mics and the ones for voice take awhile for the tube
to warm up. A bit of overkill that's not worth exploring.

I just looked on the Elecraft product list & see the MH2 and the Heil
Proset. The MH2 is surely wired properly for the K3 but I wonder
about the quality of sound its element generates. It looks like the
Heil proset would be the ideal if I worked SSB frequently but I
don't. The MH2 would surely be fine for the occasional use but I've
never cared for having the thicker coiled wire hand for hand mics
extending out on the desk from the radio.

If I got something like the heil proset I couldn't use my QC15 and I
seriously wonder if the Heil comes close to the audio quality in this
Bose headset, I don't know, I'd have to compare to know. The QC15 is
the finest headset I've ever used for radio, thanks to the electronic
noise cancelling feature I can't hear the amp at all and I keep the
fan at full speed. As a musician the QC15 give a really pleasant
reproduction and are very comfortable.

Any suggestions on something else I might look into that is less
pricey than this Heil set & maybe better sounding than the MH2? I
don't have to have it now and am not in a rush.

73,

Gary
KA1J


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