[Elecraft] Voice is clipped K3s
Joe Subich, W4TV
lists at subich.com
Wed Oct 10 14:07:21 EDT 2018
If one has a flat "wide band" mic (electret) the typical TX EQ settings
needed to emulate the Heil HC4 (DX)/HC5 elements, a couple classic
"communications" mics and a typical dynamic "vocal" mic (SM58) are:
-- SHURE --
HC4 HC5 D-104 444 SM58
50 -16 -16 -16 -16 -8
100 -16 -16 -10 -16 -2
200 -16 -3 -4 -7 0
400 -4 -2 -3 -2 -1
800 -0 -2 -1 0 -1
1600 +5 +2 +3 +3 +0
2400 +10 +5 +9 +7 +1
3200 +10 +6 +13 +12 +4
Thanks to: <https://owenduffy.net/audio/legend/index.htm> for the
HC4/HC5/D-104/444 response curves. The SM58 data comes from
Shure's data sheet.
73,
... Joe, W4TV
On 2018-10-10 11:29 AM, Don Wilhelm wrote:
>
> As Bob K4TAX has pointed out and K9YC has long advocated, set the lower
> 2 bands of TX EQ to the lowest levels and set the 3rd band down a bit as
> well - that will increase your "talk power" while not wasting power
> trying to transmit those low frequencies which are not needed for
> intelligibility. If you are into ESSB, you may differ, but ham radio is
> not HI-FI in my opinion, it is about communications effectiveness.
>
The typical
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