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Re: [TenTec] paralleling power supplies to run Herc II

To: tentec@contesting.com
Subject: Re: [TenTec] paralleling power supplies to run Herc II
From: Jim Brown <k9yc@audiosystemsgroup.com>
Reply-to: k9yc@arrl.net, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sun, 19 Jun 2011 22:46:52 -0700
List-post: <mailto:tentec@contesting.com>
On 6/19/2011 2:24 PM, Allan Taylor wrote:
I finally picked up a 2nd 50A Astron power supply to make a pair. Are
there any issues in paralleling these to run the Herc II? I am going
to verify that the terminal voltage is identical within .01V.

I did that and it worked just fine. The Herc II power connector is wired so that you can easily have one of the supplies feed half of the amp and the other supply feed the other half. I DID strap the regulators together, using the banana connector. I ran two #12 reds and blacks from each supply to the amp to keep the IR drop low. I used two RS70s. One was NOT enough. :)

73, Jim K9YC



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