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12th December 2004, 10:19 PM
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#1 |
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diyAudio Member
Join Date: Feb 2004
Location: Racine, Wisconsin
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Whopee/Thanks Nuuk/Star grounds @#$%^&
Put one to bed today. The second BrianGT amp that I built had nasty DC offset, buzzed and hummed. The current condition of my household is overstocked in terms of audio gear. Let's put it this way, one more 1/4 watt resistor and THE monarch will have my butt.
So this was to be a present for my older son along with Line Array V1. But, I couldn't give him a buzzing turd. I figured it had to be my p!ss poor grounding "scheme". Following Nuuk's site, I used the 100R/.22uF on chassis ground and the 220pF across the inputs. PERFECT! I had the volume pot cranked all the way and not a sound. Thanks for a great site NUUK! |
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