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<blockquote data-quote="Family_Dog" data-source="post: 30008" data-attributes="member: 82"><p>For a valve rectifier, you can't really go much higher than 50uF, which if I remember correctly is the recommended max for a GZ34 in any case. But for S/S rectification, you could probably increase this. </p><p></p><p>Using C-L-C (50uF - 10H - 50uF) filtering in my amps, there is absolutely no hum audible from the speakers and in fact my two oldest amps are only using 16uF caps, which are 70's vintage but still doing a sturdy job. I want to keep them for as long as possible because they look so cool - like grain silos! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p></p><p>-F_D</p></blockquote><p></p>
[QUOTE="Family_Dog, post: 30008, member: 82"] For a valve rectifier, you can't really go much higher than 50uF, which if I remember correctly is the recommended max for a GZ34 in any case. But for S/S rectification, you could probably increase this. Using C-L-C (50uF - 10H - 50uF) filtering in my amps, there is absolutely no hum audible from the speakers and in fact my two oldest amps are only using 16uF caps, which are 70's vintage but still doing a sturdy job. I want to keep them for as long as possible because they look so cool - like grain silos! :) -F_D [/QUOTE]
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DIY & Tutorials
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