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Wiring subwoofers with different ohm voice coils together
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<blockquote data-quote="Lasherž" data-source="post: 8703932" data-attributes="member: 679555"><p>Presumably because it's actually matched to your amplifier's RMS rating. It's 1200 while the P3 is only 600. If you run the Rockford on its own it'll have to be either 2 ohm and very carefully regulated to not damage the subwoofer or 8 ohms at which point you'll be losing out on a lot of volume. Your voice coils just aren't ideal for that sub alone and that amp, but the other subwoofer is.</p><p></p><p>I'm curious how it'll sound, looking at those subs you've got one with 83.6 sensitivity and the other at 85. They're not THAT dissimilar. I wouldn't expect the movements to be out of sync enough to not add to the volume, but it might be muddy. They definitely shouldn't share an enclosure airspace, but if you're experimenting anyways... My guess is that one will sound better than both together, but there will be a noticeable volume increase with both. Their resonance frequencies are quite different so they'll fight each other on those a little. The PA doesn't list its xmax, but i'll bet it'll look funny in slow motion with them side by side.</p><p></p><p>1.33ohms should be just fine.</p></blockquote><p></p>
[QUOTE="Lasherž, post: 8703932, member: 679555"] Presumably because it's actually matched to your amplifier's RMS rating. It's 1200 while the P3 is only 600. If you run the Rockford on its own it'll have to be either 2 ohm and very carefully regulated to not damage the subwoofer or 8 ohms at which point you'll be losing out on a lot of volume. Your voice coils just aren't ideal for that sub alone and that amp, but the other subwoofer is. I'm curious how it'll sound, looking at those subs you've got one with 83.6 sensitivity and the other at 85. They're not THAT dissimilar. I wouldn't expect the movements to be out of sync enough to not add to the volume, but it might be muddy. They definitely shouldn't share an enclosure airspace, but if you're experimenting anyways... My guess is that one will sound better than both together, but there will be a noticeable volume increase with both. Their resonance frequencies are quite different so they'll fight each other on those a little. The PA doesn't list its xmax, but i'll bet it'll look funny in slow motion with them side by side. 1.33ohms should be just fine. [/QUOTE]
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Wiring subwoofers with different ohm voice coils together
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