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Max output from amp !
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<blockquote data-quote="Water Bear" data-source="post: 8820481" data-attributes="member: 673826"><p>There is some confusion here. I'm not arguing that you should try to figure out your woofer's impedance as a function of frequency by plopping numbers in software or something along those lines and then getting power from that. We all agree, I imagine, that using something a la the AMM-1 is the way you'd actually do it in practice.</p><p></p><p>My point is more that this information isn't really helping OP. Maybe he wants to spring for a $350 measuring instrument, but I assume not. He's chosen to go the multimeter route. 2 ohm is the nominal impedance of his sub, meaning that they (the manufacturers) expect it to present that load at some practical frequency in actual application. He <em>should </em>be seeing the right numbers coming out of his amp, and the easiest explanation is that his input signal is too low.</p><p></p><p>Somehow this thread is devolving into nit-picking minutia that doesn't really help OP. He said that it distorts at 38 - we already know that. We aren't talking theoreticals here. I don't know how he got that number and I don't care - I'm willing to run with it.</p></blockquote><p></p>
[QUOTE="Water Bear, post: 8820481, member: 673826"] There is some confusion here. I'm not arguing that you should try to figure out your woofer's impedance as a function of frequency by plopping numbers in software or something along those lines and then getting power from that. We all agree, I imagine, that using something a la the AMM-1 is the way you'd actually do it in practice. My point is more that this information isn't really helping OP. Maybe he wants to spring for a $350 measuring instrument, but I assume not. He's chosen to go the multimeter route. 2 ohm is the nominal impedance of his sub, meaning that they (the manufacturers) expect it to present that load at some practical frequency in actual application. He [I]should [/I]be seeing the right numbers coming out of his amp, and the easiest explanation is that his input signal is too low. Somehow this thread is devolving into nit-picking minutia that doesn't really help OP. He said that it distorts at 38 - we already know that. We aren't talking theoreticals here. I don't know how he got that number and I don't care - I'm willing to run with it. [/QUOTE]
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