[AMRadio] Mic recommendation for rig


Bob Peters rwpeters at swbell.net
Mon Sep 21 20:51:55 EDT 2009


Steve I use a UREI  BL-40 Modulimiter...and it has
A symmetric as well I have a CBS Labs
Limiter...and getting the CBS labs AGC as well as
a pair...

Bob W1PE

-----Original Message-----
From: amradio-bounces at mailman.qth.net
[mailto:amradio-bounces at mailman.qth.net] On Behalf
Of sbjohnston at aol.com
Sent: Monday, September 21, 2009 6:42 PM
To: amradio at mailman.qth.net
Subject: Re: [AMRadio] Mic recomendation for rig

The most important single accessory item to have
in your AM shack is a 
way to monitor modulation - a cheap o'scope is a
good choice. Keep an 
eye on it to ensure you have reasonably strong
average modulation 
levels, and negative peaks that don't go all the
way to 100% and pinch 
off the carrier.

You current quest for a good mic is already
underway.  The next item I 
would want is a compressor-limiter. This device
allows you to wander a 
bit from the microphone, or get excited speaking
loudly, without under 
or overmodulating. You can get a "microphone
processor" which combines 
a mic preamp with equalizer, compressor, limiter,
de-esser, and such. 
I'm fond of the Berhinger ULTRAVOICE VX2000 for
that job. They go for 
maybe $70 on eBay.

I sometimes run more elaborate AM broadcast
processors on my rigs, 
too... but that's because I'm a nut. The Berhinger
ULTRAVOICE VX2000 
alone does a great job for ham AM work.

On the other hand, on my Apache I use a plain D104
driving the musical 
instrument (High-Z) input of a DBX 163X
compressor-limiter - sounds 
great and very simple. They usually go for $80 on
eBay

Steve WD8DAS

sbjohnston at aol.com
http://www.wd8das.net/
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