[Elecraft] K4 on AM
Bob McGraw K4TAX
rmcgraw at blomand.net
Mon Mar 2 20:01:39 EST 2020
Why is it we are always prone to boost or add something? Ever thought
of taking away something? With most EQ systems, attenuation excessive
energy is much preferable to boosting anything.
So if ones audio is bassy or muddy, do we add high end or reduce low
end? Hint: it is not adding high end. Jim, K9YC, has written much
on this topic. If in doubt, always attenuate first.
If the glass is full of wine and one desires more wine, what's the
choice? Surely one can't add more wine or the glass will overflow.
Then the solution is to take a drink of wine, thus reduce the amount of
wine in the glass. Same for boosting in audio. The system has a point
where it is full and will overflow. It won't get better, but it will
get worse.
73
Bob, K4TAX
On 3/2/2020 2:10 PM, Joe Subich, W4TV wrote:
> When a user cranks up the low frequency audio EQ on those
> rigs and then uses high level of audio processing the
> unfiltered (as in after the DSP/IF filter) PA chain
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