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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Re: Hum problem with my stereo 807pp DIY power amp posted by PeterP on January 23, 2007 at 18:08:22:
....lower the value of your grid stopper. 3.3K for a 6J5 seem way too high to me. Try something closer to 150 ohms or less. When you are "all done" making changes, the grid stopper (if needed) should be selected by changing the value and listening.Have fun.
Pete.
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