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Having Problem with Old school AMP. (VID) HELP!!!
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<blockquote data-quote="Spooney" data-source="post: 6627746" data-attributes="member: 584130"><p>if one channel works fine there is no reason to replace the outputs in it. the distortion you are hearing could be a few things. it could be some bad IC's in the preamp section or even some bad caps in the preamp section. i had an old orion making terrible noise in one channel and on a hunch i changed a small very inexpensive capacitor and it played loud and clear. could also be that you have some leaky output transistors in the bad channel causing your distortion. they may not be blown to the point where they are completely shorted(which would almost certainly blow the amps fuses upon applying remote turn on voltage) but they could still not be up to spec. you can always take your meter and compare resistance readings and or voltages from the good channel to the bad channel and hopefully find something like that.</p><p></p><p>if you want some excellent help(possibly the best amp repair teacher you'd ever meet) you could post your amp and its symptoms over on this website : <a href="http://www.diyaudio.com/forums/car-audio/." target="_blank">http://www.diyaudio.com/forums/car-audio/.</a> the man who made BCAE and that amp repair tutorial(Perry Babin is his name) is a regular poster on that forum and he has walked me through many a repair. A simple explanation of the problem and he can usually point you to the exact component causing the issue sometimes even right down to the circuit board designation.</p></blockquote><p></p>
[QUOTE="Spooney, post: 6627746, member: 584130"] if one channel works fine there is no reason to replace the outputs in it. the distortion you are hearing could be a few things. it could be some bad IC's in the preamp section or even some bad caps in the preamp section. i had an old orion making terrible noise in one channel and on a hunch i changed a small very inexpensive capacitor and it played loud and clear. could also be that you have some leaky output transistors in the bad channel causing your distortion. they may not be blown to the point where they are completely shorted(which would almost certainly blow the amps fuses upon applying remote turn on voltage) but they could still not be up to spec. you can always take your meter and compare resistance readings and or voltages from the good channel to the bad channel and hopefully find something like that. if you want some excellent help(possibly the best amp repair teacher you'd ever meet) you could post your amp and its symptoms over on this website : [URL="http://www.diyaudio.com/forums/car-audio/."]http://www.diyaudio.com/forums/car-audio/.[/URL] the man who made BCAE and that amp repair tutorial(Perry Babin is his name) is a regular poster on that forum and he has walked me through many a repair. A simple explanation of the problem and he can usually point you to the exact component causing the issue sometimes even right down to the circuit board designation. [/QUOTE]
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Having Problem with Old school AMP. (VID) HELP!!!
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