[Amps] Fw: trouble with tt centurion
John
brazos at rochester.rr.com
Fri Nov 28 13:22:24 EST 2003
----- Original Message -----
From: John
To: tentec at contesting.com
Sent: Friday, November 28, 2003 1:13 PM
Subject: trouble with tt centurion
Hello I thank all for the loads of suggestions I got to improve the stray rf in the shack . by using two of the suggestions I have eliminated most of the rf feedback on 40 and about 50 percent on 80 meters. I made a choke balun and placed it after the amp , removed the outboard tuning pod away from the amp to about 4 feet on the side of the desk , placed two rf chokes on the mic cord and I had two grounding braids that were hanging from the grounding bus that were not being used and just hanging off the bus so I removed the two grounding braids . I intend to have 4 jumpers made from cable experts and replace the jumpers I made. ( I suspect a intermittent short ) and get a couple more line chokes and place them on other wires connecting the amp , radio , power supply etc. again thanks to all . I hope all had a very happy thanksgiving. John kb2huk
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