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Forum DIY Headphone amp kit
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<blockquote data-quote="gbyleveldt" data-source="post: 69476" data-attributes="member: 122"><p>It's a brilliant chip, hey? Not sure about the topology either, but it has incredible bandwidth because of the current feedback design. The only issue here is the funky input currents because of the design, hence the requirement for being driven by a low impedance source.</p><p></p><p></p><p></p><p>When I initially played with it a few years ago, I remember reading on up on others' experience and the concensus at the time was that the inverting configuration yielded an 10x improvement in distortion performance. Also, the lower the gain, the lower the distortion exponentially. As it is, I didn't need any voltage gain with the circuit driving headphones, so why add it?</p><p></p><p></p><p></p><p>I'm sure I've seen it before, stumped if I can find it. It does seem like a rather good idea.</p><p></p><p></p><p></p><p>Ta!</p><p></p><p></p><p></p><p>Because Skinny is a little trigger happy <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big grin :D" loading="lazy" data-shortname=":D" /></p></blockquote><p></p>
[QUOTE="gbyleveldt, post: 69476, member: 122"] It's a brilliant chip, hey? Not sure about the topology either, but it has incredible bandwidth because of the current feedback design. The only issue here is the funky input currents because of the design, hence the requirement for being driven by a low impedance source. When I initially played with it a few years ago, I remember reading on up on others' experience and the concensus at the time was that the inverting configuration yielded an 10x improvement in distortion performance. Also, the lower the gain, the lower the distortion exponentially. As it is, I didn't need any voltage gain with the circuit driving headphones, so why add it? I'm sure I've seen it before, stumped if I can find it. It does seem like a rather good idea. Ta! Because Skinny is a little trigger happy :D [/QUOTE]
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Forum DIY Headphone amp kit
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