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setting gain with ddm subwoofer setting h/u
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<blockquote data-quote="Atimm693" data-source="post: 7985556" data-attributes="member: 572164"><p>Any kind of AC clamp meter will do. Here is the Harbor Freight model.</p><p></p><p><a href="http://www.harborfreight.com/digital-clamp-on-multimeter-95652.html" target="_blank">Digital Clamp-On Multimeter</a></p><p></p><p>You will have to set your multimeter to AC volts and connect it in parallel with your sub leads. Set the clamp meter to AC current and attach it however the manual says to. It probably just clamps around the wires, no "hard" connections anywhere. It picks up the magnetic field around the wire.</p><p></p><p>With those connected, set your gain at zero. Play your HU as loud as you will ever have it.</p><p></p><p>Watts will be calculated with the two readings. Multiply the current in amps (clamp meter) times the voltage (multimeter) and that number is the power in watts. Turn up the gain until you get the desired power output.</p></blockquote><p></p>
[QUOTE="Atimm693, post: 7985556, member: 572164"] Any kind of AC clamp meter will do. Here is the Harbor Freight model. [URL="http://www.harborfreight.com/digital-clamp-on-multimeter-95652.html"]Digital Clamp-On Multimeter[/URL] You will have to set your multimeter to AC volts and connect it in parallel with your sub leads. Set the clamp meter to AC current and attach it however the manual says to. It probably just clamps around the wires, no "hard" connections anywhere. It picks up the magnetic field around the wire. With those connected, set your gain at zero. Play your HU as loud as you will ever have it. Watts will be calculated with the two readings. Multiply the current in amps (clamp meter) times the voltage (multimeter) and that number is the power in watts. Turn up the gain until you get the desired power output. [/QUOTE]
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setting gain with ddm subwoofer setting h/u
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