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<blockquote data-quote="Psyence" data-source="post: 1173337" data-attributes="member: 562684">With the Formula Sqrt(Power*Resistance) = VoltagePower being the Wattage of the amp... My MRD-M1005 Alpine Amplifier did NOT come with a birthsheet... So I have no idea what wattage its putting out at 2ohms, its rated at 1000W, but some people are saying its doing about 780W or so??... What do I go with, when doing my calculations...Ive come up with this...1000W RMS into 2 Ohms = 44.7v800W RMS into 2 Ohms = 40vWhich should I go with?!Im running a Type-R 12&quot; AGAIN, so im over powering it either way.Also, is <a href="http://www.canadiantire.ca/assortments/product_detail.jsp?FOLDER%3C%3Efolder_id=1408474396670087&amp;amp;ASSORTMENT%3C%3East_id=1408474396670271&amp;amp;bmUID=1128519580721&amp;amp;PRODUCT%3C%3Eprd_id=845524442202151&amp;amp;assortment=primary&amp;amp;fromSearch=true" target="_blank">THIS </a>a good DMM?Thanks.</blockquote>

[QUOTE="Psyence, post: 1173337, member: 562684"] With the Formula Sqrt(Power*Resistance) = Voltage Power being the Wattage of the amp... My MRD-M1005 Alpine Amplifier did NOT come with a birthsheet... So I have no idea what wattage its putting out at 2ohms, its rated at 1000W, but some people are saying its doing about 780W or so??... What do I go with, when doing my calculations... Ive come up with this... 1000W RMS into 2 Ohms = 44.7v 800W RMS into 2 Ohms = 40v Which should I go with?! Im running a Type-R 12" AGAIN, so im over powering it either way. Also, is [URL="http://www.canadiantire.ca/assortments/product_detail.jsp?FOLDER%3C%3Efolder_id=1408474396670087&ASSORTMENT%3C%3East_id=1408474396670271&bmUID=1128519580721&PRODUCT%3C%3Eprd_id=845524442202151&assortment=primary&fromSearch=true"]THIS [/URL]a good DMM? Thanks. [/QUOTE]

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