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A|G Electronic RG-402 Build Thread
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<blockquote data-quote="joetama" data-source="post: 5160516" data-attributes="member: 564641"><p>Picture time? First of all don't mind the nasty wiring. I've been reconfiguring and changing things around. And for the sake of time I am cutting the wire quickly and not organizing it.</p><p></p><p>I've got a few more things I want to try to make it sound even better. But, right now I've changed the bias current to 30 mA instead of the specified 15-20 mA and it has cleaned up a lot of the weird distortion I was hearing. It also had made the amp sound a bit warmer. Also, I changed out the input capacitors with a different type and a slightly higher value. Which has helped with a bit or noise I was getting on the left channel. Also, rewired the XLR connectors and changed the wiring on the filter capacitors.</p><p></p><p>I am planning on adding a few bypass caps to absorb some of the switching noise from the rectifier and I want to do a split powered system using two rectifiers. Still also need to finish the soft start circuit so my power center stops hating on me when I turn this amplifier on.</p><p></p><p>Anyway, pictures:</p><p></p><p><img src="http://i162.photobucket.com/albums/t262/joetama/RG-402/DSC01778.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="http://i162.photobucket.com/albums/t262/joetama/RG-402/DSC01783.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Ignore the ugly wires...</p><p></p><p><img src="http://i162.photobucket.com/albums/t262/joetama/RG-402/DSC01787.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="joetama, post: 5160516, member: 564641"] Picture time? First of all don't mind the nasty wiring. I've been reconfiguring and changing things around. And for the sake of time I am cutting the wire quickly and not organizing it. I've got a few more things I want to try to make it sound even better. But, right now I've changed the bias current to 30 mA instead of the specified 15-20 mA and it has cleaned up a lot of the weird distortion I was hearing. It also had made the amp sound a bit warmer. Also, I changed out the input capacitors with a different type and a slightly higher value. Which has helped with a bit or noise I was getting on the left channel. Also, rewired the XLR connectors and changed the wiring on the filter capacitors. I am planning on adding a few bypass caps to absorb some of the switching noise from the rectifier and I want to do a split powered system using two rectifiers. Still also need to finish the soft start circuit so my power center stops hating on me when I turn this amplifier on. Anyway, pictures: [IMG]http://i162.photobucket.com/albums/t262/joetama/RG-402/DSC01778.jpg[/IMG] [IMG]http://i162.photobucket.com/albums/t262/joetama/RG-402/DSC01783.jpg[/IMG] Ignore the ugly wires... [IMG]http://i162.photobucket.com/albums/t262/joetama/RG-402/DSC01787.jpg[/IMG] [/QUOTE]
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