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<blockquote data-quote="Bandieramonte" data-source="post: 6293222" data-attributes="member: 611675">Thanks Ctesibius! Your post really helped me understand a bunch more about those indicators for amps. Though, I been left with some doubts, whose clarification would definitely help me more:- Let&#039;s suppose the amp is 100 rms x 4 @ 4 ohm and its max power is 600 watts. Its manual says that S/N ratio is Xdb and THD + N is Y% at reference rated power into 4 ohms, and I connect the amp to a set of comp. This means that such S/N ratio and THD will be Xdb and Y% respectively when I send exactly all the 100 rms to the 4 channels? Or must I send all the 600 watts of max power the amp has?- The second chart from <a href="http://www.wjjeeps.com/jl_3004_chart.jpg," target="_blank">http://www.wjjeeps.com/jl_3004_chart.jpg,</a> you said it was only for example purposes. But how does it empirically fit the real data? I mean, how close is that chart to the reality for 4 channel amps, as for example the amp I described in my previous point? That chart is very interesting and revealing, thanks for such info.- You said that bi-amping actually depends on the crossover. But you meant on the amp&#039;s crossover? And how do I know if the crossover has this function? For example, does JBL&#039;s GTO1004 crossover support this?-&nbsp; Is it possible to do biamping with a 100 rms x 4 amp, whilst almost 100 rms on two channels, while sending 85 rms on the rest two channels?</blockquote>

[QUOTE="Bandieramonte, post: 6293222, member: 611675"] Thanks Ctesibius! Your post really helped me understand a bunch more about those indicators for amps. Though, I been left with some doubts, whose clarification would definitely help me more: - Let's suppose the amp is 100 rms x 4 @ 4 ohm and its max power is 600 watts. Its manual says that S/N ratio is Xdb and THD + N is Y% at reference rated power into 4 ohms, and I connect the amp to a set of comp. This means that such S/N ratio and THD will be Xdb and Y% respectively when I send exactly all the 100 rms to the 4 channels? Or must I send all the 600 watts of max power the amp has? - The second chart from [URL="http://www.wjjeeps.com/jl_3004_chart.jpg,"]http://www.wjjeeps.com/jl_3004_chart.jpg,[/URL] you said it was only for example purposes. But how does it empirically fit the real data? I mean, how close is that chart to the reality for 4 channel amps, as for example the amp I described in my previous point? That chart is very interesting and revealing, thanks for such info. - You said that bi-amping actually depends on the crossover. But you meant on the amp's crossover? And how do I know if the crossover has this function? For example, does JBL's GTO1004 crossover support this? - Is it possible to do biamping with a 100 rms x 4 amp, whilst almost 100 rms on two channels, while sending 85 rms on the rest two channels? [/QUOTE]

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