On 2018-06-05 5:21 AM, Bill wrote:
> RX EQ 1 -2
> 2 0
> 3 +9
> 4 +12
> 5 +11
> 6 +14
> 7 +7
> 8 -16
Elecraft *strongly discourage* significant boost (+) settings in
RX EQ as doing so can cause overdrive and distortion in the audio
amplifier.
One would be better served to reduce each band by 10 to 13 dB.
The results would be very similar without the audio distortion
issues.
> Shift - 1.25
> Width - 2.7
This combination actually results in a passband of 0 Hz (-100Hz)
to to 2600 Hz (Shift + Width/2). Better results would be obtained
with FL=100, FH=2700 (or FC=1.40, BW=2600).
73,
... Joe, W4TV
On 2018-06-05 5:21 AM, Bill wrote:
I received several email requests for my audio settings and speakers.
This is what I am using:
The following are the settings I am using on 40, 75, 160 for armchair
copy (meaning very reduced hiss and no ANF warbling). My RX audio goes
through amplified Behringer MS-40 amplified studio speakers with
bass/treble adjustments.
The speaker adjustments: bass at 3 o'clock and the treble at 11 o'clock
K3 settings (Config Menu):
AGC DLY - NORM
AGC HLD - 0
AGC PLS - NORM
AGC SLP - 4 to 6 (low setting reduces artifacts from the Automatic
Notch Filter)
AGC THR - 12
AGC F - 120
AGC S - 20
Shift - 1.25
Width - 2.7
RF Gain - 90 (sometimes less)
ATT - ON
RX EQ 1 -2
2 0
3 +9
4 +12
5 +11
6 +14
7 +7
8 -16
Be sure to read the "Noisy K3" section on http://www.w3fpr.com/-
excellent information!
The disclaimer: Your mileage for the above settings may vary -
depending upon speaker selection, personal preferences, and your hearing
acuity.
Note: I made all of my settings by hand, using the K3 menus. I did NOT
use K3 EZ as that program will sometimes upset the AGC settings.
Bill W2BLC
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