Originally Posted by thisistiny
So when i buy 2 DVC sub and want to run it @ 1ohm.
Should i get a dual 4?
or dual 2? cause in reality after rise dual 2 will be close to 1 ohm?
2 x D4's gives you 1 ohm. 2x D2's gives you .5 ohms (all parallel). There's no way of knowing what your rise will be until you build your setup. You could wire down to .5 and you may rise to .75 or you may rise to 7.5 ohms. You won't know until you build. Plus, impedance rise changes with frequency. So at your peak, your rise may be to 4 ohms, but at some other frequency your impedance may even go down, hence why running amps at .5 that aren't designed to be run there is not a good idea.
Originally Posted by bd5034
wonder if there's any way to predict impedence rise of a given setup (with any accuracy) for those of us that don't have access to a clamp meter
Not that I know of. Maybe one of the more experienced competitors would have some info on that.
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Ohio Bass Society
Team XS Power
2010 120-129.9 Bassrace World Champion