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In the Forum: Melquiades Amplifier
In the Thread: A different breed of 6C33C amplifier.
Post Subject: Lower hum on 6C33C preamp.Posted by KOTriode on: 11/2/2011
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After spending considerable amount on the hum problem, one way to fix it is tho remove transformer and place it in a different chassis, the noise level will improve more than 15 db to -74db. But that cause too much hassle, so I got it improved to 62db (by 4-5 db) by wrapping the transformer with a piece of foam to remove transformer vibration from chassis, then 2 pieces of old VPI magic brick on the output transformer. Now the level is low enough that I can hear just a little bit sitting 7-8 feet away from the speakers with volume all the way up.
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