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RT100H Power Tube Bias Questions
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<blockquote data-quote="karpathion" data-source="post: 107262" data-attributes="member: 2449"><p>I just recieved a 503 last week. If you go by what the biasing instructions say, mine was biased way too high, too. I was reading 50mv on each tube. </p><p></p><p>If you go by the instructions, the 503 with 6l6s should be at 28mv-35mv. I dropped mine to 31mv.The amp opened up bigtime. It sounds nowhere near as compressed. </p><p></p><p>It does make you wonder though. Is the stock bias wrong? Or, is the manual wrong?</p></blockquote><p></p>
[QUOTE="karpathion, post: 107262, member: 2449"] I just recieved a 503 last week. If you go by what the biasing instructions say, mine was biased way too high, too. I was reading 50mv on each tube. If you go by the instructions, the 503 with 6l6s should be at 28mv-35mv. I dropped mine to 31mv.The amp opened up bigtime. It sounds nowhere near as compressed. It does make you wonder though. Is the stock bias wrong? Or, is the manual wrong? [/QUOTE]
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RT100H Power Tube Bias Questions
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