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Modding HK4000 amplifiers - Visonik & MA Audio
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<blockquote data-quote="snoopdan" data-source="post: 4472263" data-attributes="member: 564991"><p>You can run them at less voltage just fine, just watch your transient voltage drops to make sure they dont dip long or too much below 11v. Also you gotta watch out for the voltage drop on the remote power lead as well - if you have lower than 11v on it (even though you could have 17 volts on the main power leads) the amp will appear as if its shutting down. Ive seen people get bit in the ass by this quite a few times, even people sold off their amps for cheap because they thought it was broken!</p><p></p><p>I seriously suggest a 1 farad cap on the remote power lead to stop this problem. I know that sounds a bit much, but if you're using this kind of amp in the first place then your setup is already getting beyond a normal daily bumpping setup.</p><p></p><p>Here is a good way to do this, with a relay and a cap -</p><p></p><p><img src="http://i81.photobucket.com/albums/j211/snoopdan1/hkboard-2.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="snoopdan, post: 4472263, member: 564991"] You can run them at less voltage just fine, just watch your transient voltage drops to make sure they dont dip long or too much below 11v. Also you gotta watch out for the voltage drop on the remote power lead as well - if you have lower than 11v on it (even though you could have 17 volts on the main power leads) the amp will appear as if its shutting down. Ive seen people get bit in the ass by this quite a few times, even people sold off their amps for cheap because they thought it was broken! I seriously suggest a 1 farad cap on the remote power lead to stop this problem. I know that sounds a bit much, but if you're using this kind of amp in the first place then your setup is already getting beyond a normal daily bumpping setup. Here is a good way to do this, with a relay and a cap - [IMG]http://i81.photobucket.com/albums/j211/snoopdan1/hkboard-2.jpg[/IMG] [/QUOTE]
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Modding HK4000 amplifiers - Visonik & MA Audio
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