On 3/20/2011 3:28 PM, Don Wilhelm wrote:
> ow far up is the ALC meter "kicking". It should be showing 5 to 7
> bars. If it is lower than that, go back to the beginning and adjust
> your mic gain - first set compression to zero, then set TX TEST so you
> don't bother others on the air, and adjust the mic gain until you
> illuminate ALC to 5 to 7 bars with normal speech. Then add compression
> as you wish (you can use the monitor to judge that).
YES. VERY often, I hear audio that is so badly distorted that it is
muffled and hard to copy. The fix is VERY simple -- TURN DOWN THE AUDIO
GAIN! The directions Don has given you (and that are in the Elecraft
manual) are exactly the right way to get there. As to compression, I
like to see no more than about 10 dB of compression on voice peaks. Use
the meter display that allows you to see ALC and COMP. The NUMBER that
you need to get there doesn't matter. What matters is how high the COMP
meter goes.
> With the MH2, there is already some high frequency peaking, so you may
> do well to set all of the TX EQ bands to 0 except for the two lowest
> bands. No guarantees, but it is worth a try.
All of the Heil mics I've heard have been harsh, so the last thing I
would do is add high peaking (that is, boosting the higher bands). I
WOULD roll off the lower two or three bands the maximum amount.
BTW -- you should ALWAYS adjust TXEQ BEFORE setting Mic Gain and COMP,
because TXEQ can have a HUGE effect on those settings.
73, Jim Brown K9YC.
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