K3 audio respons

[on4iq]

I am sure someone can inform me, i reinstalled the K3 setup and did a check on the output , audio output.
To obtain a flat reponse i have to put the equaliser to +16 on the freq above 1khz, and -16 on the freq below 800hz.
This seems very odd.
Putting the equaliser on 0dB for the full range give a rapid rolloff above 1KHz.

I want to get a flat response for jt65 use.
Any ideas?

[Jim Brown-10]

On Mon,12/21/2015 11:36 AM, on4iq wrote:
> To obtain a flat reponse i have to put the equaliser to +16 on the freq
> above 1khz, and -16 on the freq below 800hz.

You are probably set for the wrong transmission mode, or have narrowed
the IF bandwidth settings. Use Digital A for all computer-generated and
decoded modes except RTTY. Set the IF bandwidth at the widest setting.

73, Jim K9YC
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[Don Wilhelm-4]

Assuming you are using DATA A mode, the filter defaults to 400 Hz.
Widen the filter width using the Width and Shift knobs to a wide
bandpass (2.8kHz) and you should find you have a flat audio output with
RX EQ set with all bands at zero.

If you are using SSB mode, there can be other factors involved which are
not helpful - use DATA A.

73,
Don W3FPR

On 12/21/2015 2:36 PM, on4iq wrote:

> I am sure someone can inform me, i reinstalled the K3 setup and did a check
> on the output , audio output.
> To obtain a flat reponse i have to put the equaliser to +16 on the freq
> above 1khz, and -16 on the freq below 800hz.
> This seems very odd.
> Putting the equaliser on 0dB for the full range give a rapid rolloff above
> 1KHz.
>
> I want to get a flat response for jt65 use.
> Any ideas?
>

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