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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