On 12/14/2013 10:14 PM, Jim Brown wrote:
>
No PAD should be needed. The mic is fairly high output, but I've never
seen a rig that couldn't be turned down enough.
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I chance to disagree with just this one minor point ... and offer my
Omni VII and Orion II as an example. On the Omni VII one has to turn
the AF-GAIN down to nearly 1 or maybe 2 before it does not cause the ALC
light to come on all the time. Similarly on a pair of Orion IIs - one
mine and another in a contest shack - although it was not as drastic on
that rig as it is on the Omni VII.
Still, I venture to recommend a voltage divider or simple L or T pad to
reduce the inherently high output which cuts it down to approximately
what the rig sees from a typical dynamic mic cartridge. This gives the
ALC more headroom to do its magic. I believe crowding it down to very
low AF-GAIN kinda crowds the ALC so that it can be difficult to set
-i.e., it is either all on or all off, and on my Omni VII, the mice is
either on or off by the 2% setting and ALC is on all the time at that
setting.
Thus, it is my opinion, an attenuator pad is a good idea, and makes the
mic appear to the rig more like a dynamic mic (which I believe it is
designed to expect most often.)
Just MY take...
(He said donning his Teflon suit... anticipating castigation for his
decadent viewpoint ! ;-)
(Said in good humor!) ;-)
I am not entirely alone in my view. The editorial staff at QST thought
it worthy of consideration... and the guys at the contest shack don't
disagree, either. ;-) ;-)
Happy trials, y'all.
--------------------------- K8JHR -------------------------
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