[Elecraft] K3 Flat Audio?

[David Cutter]

I'm not familiar with SR5, but the peak at 1600Hz MAY be deliberate:  this 
has been used by some to increase readability in voice channels, though, not 
sure if this is good in the presence of high noise as on HF.

David
G3UNA

----- Original Message ----- 
From: "n4lq" <n4lq at insightbb.com>
To: <Elecraft at mailman.qth.net>
Sent: Saturday, May 24, 2008 11:50 PM
Subject: [Elecraft] K3 Flat Audio?


> 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