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Message: <blockquote data-quote="subzero" data-source="post: 7392682" data-attributes="member: 600350"><p>Oscope and tone generator work well,  DMM can help you with match gains on indentical amps using the wattage.  I used an oscope to dial mine in.  Turn the deck up full tilt, all settings flat. no speakers hooked up. See what your deck signal is.  Mine was clean.  no clipping.  So then we Clamped the amps and put them under load and scoped them.  They took 4600Watts to each sub at full tilt with the amps gain only 15% increase.   This was done with a 47hz tone.  the box tuned to 40hz.</p></blockquote><p></p>

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