[Elecraft] SSB Bandwiedth adjust

[Dick Dievendorff]

One bit of clarification: The offset of 2.7 kHz filters is usually negative.
The K3 and K3 Utility allow a range of offsets to be specified, including
positive.  

Be sure that the filter offset sign (+ or -) is chosen correctly.

73 de Dick, K6KR

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Don Wilhelm
Sent: Monday, July 23, 2012 6:18 AM
To: ac8jd
Cc: elecraft at mailman.qth.net
Subject: Re: [Elecraft] SSB Bandwiedth adjust

I can think of two possibilities.
1) You do not have the offset correctly recorded for the 2.7 filter Be
certain it is correct (matches the marking on the filter) either in the
K3 menu or K3Utility.
2) You cut too much of the 400 Hz band in TX EQ.  Normally there should be
no reduction for band 4.  The first 2 bands can be cut all the way, and the
3rd band cut some.

It is difficult for anyone to evaluate their own voice in real time - at the
lower frequencies your ears will hear your voice through bone conduction.  I
am guessing that may caused you to cut the lower EQ bands more than they
should have been.  It is better to record and playback later than to try to
evaluate live.

There is no adjustment of the TX bandwidth other than EQ and the filter
offset setting.

73,
Don W3FPR

On 7/23/2012 8:33 AM, ac8jd wrote:
> I have had my K3 on the air for about a month now.  I operate 95% CW 
> and feel comfortable with how to operate this rig on the air in that 
> regard.  I have not had much time to spend getting acclimated with the 
> rig on SSB until this weekend.
>
> I spent a great deal of time my first week adjusting my EQ for SSB by 
> listening to my self through the headphones and like where I dialed it in.
> However, when I get on the air, stations are telling my my bandwidth 
> needs to be opened up.  The reports I am getting are that I am at 
> 400-600hz.  A couple of them have recorded and played it back for me and
they are right.
>
> I have been through the menu and google, and cannot find anything that 
> tells me how to adjust the TX SSB bandwidth.  From what I can tell the 
> rig should by default be opened up all the way to what the stock 
> filter is which for me is the 2.7.
>
> Any ideas?
>
> AC8JD
>
>
>
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