Hi Dan,
The basic purpose for ALC, Automatic Level Control, is to make sure you
don't overdrive the amp. The expert on the reflector can probably give you
some more insight. There is a great article on Eham.net
http://www.eham.net/articles/10183
I have never used ALC driving my SB-220 with an IC-765. The 2 x 3-500Z need
about 140 watts for full output power. The 765 can only generate about 100
watts so I'm very safe. If you have an amp that needs less drive, I suggest
you adjust the output from the TRX if that's possible. Good luck!
73 Bert, VE3OBU
-----Original Message-----
From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
Behalf Of dan r goddard
Sent: Sunday, February 27, 2005 4:12 PM
To: Amps@contesting.com
Subject: [Amps] Is ALC necessary
It is necessary to use the ALC on the amp. I don't understand completely
the purpose of the ALC. I have use amps for years but never connected the
ALC. Some old timers say they don't use it either. Is there a good article
as to the pros and cons of using the ALC? What do some of you do?
Thanks
Dan
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