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Box setup and db/hz questions
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<blockquote data-quote="ciaonzo" data-source="post: 8463258" data-attributes="member: 607015"><p>Different drivers have different impedance profiles even if they have the same nominal impedance at rest. This means a couple of things to you. </p><p>One, the drivers will behave differently as power is applied to them due to the differences between capacitance and inductance phase angles found on either side of the resonance peak for the respective drivers. Even if the Fs is exactly the same among all the drivers (unlikely), the Q might not be. This means some drivers will be moving more than others at various frequencies (and this effect will alternate as you go up and down through the octaves), which will be causing phase issues as was already mentioned.</p><p></p><p>Two, the amplifier will be struggling with these very different impedance profiles among the different drivers and will be working much harder than you would expect. Not to mention the enclosure issues you will run into. The power thing could average out and end up being the exact opposite, but that's unlikely.</p><p></p><p>At a minimum, you will want all of your drivers to be exactly the same.</p></blockquote><p></p>
[QUOTE="ciaonzo, post: 8463258, member: 607015"] Different drivers have different impedance profiles even if they have the same nominal impedance at rest. This means a couple of things to you. One, the drivers will behave differently as power is applied to them due to the differences between capacitance and inductance phase angles found on either side of the resonance peak for the respective drivers. Even if the Fs is exactly the same among all the drivers (unlikely), the Q might not be. This means some drivers will be moving more than others at various frequencies (and this effect will alternate as you go up and down through the octaves), which will be causing phase issues as was already mentioned. Two, the amplifier will be struggling with these very different impedance profiles among the different drivers and will be working much harder than you would expect. Not to mention the enclosure issues you will run into. The power thing could average out and end up being the exact opposite, but that's unlikely. At a minimum, you will want all of your drivers to be exactly the same. [/QUOTE]
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