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DIY For Audio
Showcase - DIY LM3886 100W+ bridge/parallel build
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<blockquote data-quote="meshsmith" data-source="post: 890933" data-attributes="member: 15646"><p>Alright, soft start board finished:</p><p></p><p><img src="https://i.imgur.com/yYpw4Ua.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>It's the DIYaudio design, using a bank of high power resistors to throttle the current for ~200ms until the relay triggers, allowing the current to pass unimpeded. More than enough time to let the PSU caps charge.</p><p></p><p>Here's the test setup, along with one of Swiftheat's toroids:</p><p></p><p><img src="https://i.imgur.com/47zfVQp.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Testing today, fingers crossed. Looking for a nice, healthy +/-28V on the output <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="meshsmith, post: 890933, member: 15646"] Alright, soft start board finished: [IMG]https://i.imgur.com/yYpw4Ua.jpg[/IMG] It's the DIYaudio design, using a bank of high power resistors to throttle the current for ~200ms until the relay triggers, allowing the current to pass unimpeded. More than enough time to let the PSU caps charge. Here's the test setup, along with one of Swiftheat's toroids: [IMG]https://i.imgur.com/47zfVQp.jpg[/IMG] Testing today, fingers crossed. Looking for a nice, healthy +/-28V on the output :) [/QUOTE]
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DIY & Tutorials
DIY For Audio
Showcase - DIY LM3886 100W+ bridge/parallel build
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