[Elecraft] K3 Flat Audio?

[Barry N1EU]

My guess is that the lack of flatness in your passband is normal sample
variation in the 2.7Khz roofing filter.

73,
Barry N1EU


n4lq wrote:
> 
> Someone kindly mentioned SR5 here so I downloaded it and observed that my 
> audio from the K3 had a pronounced peak around 1600 Hz. I compensated for 
> this by adjusting the K3's RX equalizer so that EQ (6) is -4db, EQ (7) 
> is -4db and EQ (8) is -2db. I now have a flat response across the
> spectrum. 
> QRN is less distracting now. Also, my waterfall on MIxw is nice and even
> all 
> the way across now. This isn't very scientific. I was just using band
> noise 
> to adjust the EQ for a flat response but since band noise is what I'm 
> dealing with, I felt it was adequate.
> Question is: Has anyone else noticed this? Do you think it's something to
> do 
> with filter shape? Maybe the audio amp. is indeed flat but the filters 
> aren't and I'm compensating for them. Whatever....I'm just glad there K3
> has 
> that nice EQ!
> N4LQ
> 
> Steve Ellington
> N4LQ at insightbb.com 
> 
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