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<blockquote data-quote="n2audio" data-source="post: 1177829" data-attributes="member: 540940">to be perfectly honest you really can&#039;t determine the REAL current draw of anything because the biggest factor is your listening habits.If you have a 1000w class D amp, but you rarely listen to it at high volume and don&#039;t play a ton of heavy bass music there&#039;s a good chance it never draws more than 15-20A rms.On the other hand, if you have an 800w class a/b amp that&#039;s slamming non-stop it might draw 60A or so.All things considered I think the 7.5A/100w is a pretty good rule of thumb - I&#039;ve also seen 10A/100w , but even then - w/o a real-time power measurement you don&#039;t know how much wattage you&#039;re actually using.There are so many variables with current draw...that&#039;s why the standard response -- &quot;Hook it up and see how it runs,&quot; is really the only way to know for sure.</blockquote>

[QUOTE="n2audio, post: 1177829, member: 540940"] to be perfectly honest you really can't determine the REAL current draw of anything because the biggest factor is your listening habits. If you have a 1000w class D amp, but you rarely listen to it at high volume and don't play a ton of heavy bass music there's a good chance it never draws more than 15-20A rms. On the other hand, if you have an 800w class a/b amp that's slamming non-stop it might draw 60A or so. All things considered I think the 7.5A/100w is a pretty good rule of thumb - I've also seen 10A/100w , but even then - w/o a real-time power measurement you don't know how much wattage you're actually using. There are so many variables with current draw...that's why the standard response -- "Hook it up and see how it runs," is really the only way to know for sure. [/QUOTE]

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