[Elecraft] K3 DSP AGC Question
Mike
nf4l at nf4l.com
Mon Feb 8 15:03:45 EST 2010
The Yamaha CM-500, recommended by quite a few here, is 120 ohms, right?
So cranking up the AF results is less than optimum operation?
73,
Mike, NF4L
Lyle Johnson wrote:
>> There IS something entirely separate with the headphone audio and HI-Z
>> headsets, high volume levels, maybe a sharp saturation point, and
>> mush, just haven't nailed it yet.
>>
>
> Note that the headphone audio path of the K3 is designed for 32-ohm and
> lower headphone impedances. Higher impedance phones provide less audio
> for a given transducer efficiency. Cranking up the AF gain to
> compensate can lead to clipping-related distortion.
>
> 73,
>
> Lyle KK7P
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