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DIY & Tutorials
DIY For Audio
Amplifier power supply is everything
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<blockquote data-quote="JimGore" data-source="post: 465066" data-attributes="member: 3"><p>Thanks Rudi,</p><p></p><p>I will look into the feedback capacitor change over the weekend. Out of interest - making that cap smaller will result in a slightly higher high pass corner frequency, but still one which is much lower than any speaker less than an IB subwoofer will never reach. How will that fix the bass issue?</p><p></p><p>I have removed the inductor from the power supply, and the bass is still too heavy for my liking, so another solution may be to make my emitter resistors smaller, thereby increasing damping factor which should turn some of that excessive bass into control.</p><p></p><p>Sitting here listening now there is definitely something nice about the amplifier sound in general with the new rectifiers installed. It's got a real nice tonality somehow. I wish I had a vocabulary sufficient to express myself completely...</p><p></p><p>Ian.</p></blockquote><p></p>
[QUOTE="JimGore, post: 465066, member: 3"] Thanks Rudi, I will look into the feedback capacitor change over the weekend. Out of interest - making that cap smaller will result in a slightly higher high pass corner frequency, but still one which is much lower than any speaker less than an IB subwoofer will never reach. How will that fix the bass issue? I have removed the inductor from the power supply, and the bass is still too heavy for my liking, so another solution may be to make my emitter resistors smaller, thereby increasing damping factor which should turn some of that excessive bass into control. Sitting here listening now there is definitely something nice about the amplifier sound in general with the new rectifiers installed. It's got a real nice tonality somehow. I wish I had a vocabulary sufficient to express myself completely... Ian. [/QUOTE]
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DIY & Tutorials
DIY For Audio
Amplifier power supply is everything
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