[Elecraft] KPA500 new owner questions.......

[Rick WA6NHC]

The fault ability of the KPA500 is fast, BUT I would not test that with 
100 watts.  The tuned input can only take so much abuse.

ALC should be used as a secondary (emergency) limiter, not for everyday 
use.  It will cause distortion (in part from overdriving the amp).  
Proper management of the input (power out, proper compression levels 
etc) is THE best way to manage the combination.

Rick NHC


On 2/28/2019 10:07 AM, Jim Lageson wrote:
> I have never owned an amp before and recently put together a KPA500. All
> seems to be working well, but I have a few questions. I am using with a
> IC-7300.
>
> How important is the ALC cable? I notice it is not included in the Basic
> Cabling Diagram in the manual but is discussed later in the manual.
>
> If I were accidently to run 100 watts into the KPA500 will the PWRIN HI
> Hard Fault/STBY protect itself before any damage is done. Would ALC protect
> me from that?
>
> Is it standard procedure to keep the KPA500 in line when turned off and not
> in use? I see you may run up to 200 through the KPA500 in STBY.
>
> Is there any concerns or settings on radio when running full break in on CW?
>
> Thanks
> Jim-N0UR
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