Jul 26, 2012 08:36 am What are the ohm rating of the subs? You wouldn't want to drop the ohm rating too low by running parallel and overheat your amp...
Paralleling Subs
Posted on Jul 26, 2012 08:34 am
mclir9
www.witchsmark.com
Member Since: Aug 13, 2006
I have 2 pairs of subwoofers - (2) Yamaha SW118 and (2)PV118 and an EP4000 AMP. Is it ok to parallel a Yamaha to a PV from each channel of the amp?? The ratings on the Yamaha are 600/1200, the PV 400/800 and the AMP is 950/1,400 @ 4OHMs.
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Jul 26, 2012 08:36 am What are the ohm rating of the subs? You wouldn't want to drop the ohm rating too low by running parallel and overheat your amp...
Jul 26, 2012 10:58 am OHM rating for the subs, not so sure that info is given in their specs, just Program and Peak. I know they are 8 ohm and able to be paralleled at 4 ohm.
Jul 26, 2012 11:02 am Well, then it matches with the amp...so that's good...be sure to not push it past what the PV's are capable of though...I'd wait for Rob Stemple's input though, he knows vastly more about this than I do, but at face value, it seems OK.
Idle curiousity...is the amp 950 stereo, 1400 bridged, is that what your trying to say? How would you be wiring it? One Yamaha and one PV running parallel into two jacks of a bridged amp or into each side of a stereo amp?
Jul 26, 2012 12:07 pm The amp is as follows:
Stereo (950 RMS 1%) - (1,400 Peak) @ 4 OHM
Bridged (2400 RMS 1%) - (4000 Peak) @ 4 OHM
I would run Stereo from AMP, 1 channel running Yam118 parallel to PV118, and the other channel running the same.
Jul 26, 2012 06:43 pm You look OK on the amp. However, you may find that mismatching your subs may lead to some issues of standing waves and or cancellation in the room. Unless they are identical in size, shape, and tone. Otherwise, you could have nice strong bass in one part of the room, and nothing in other spots. Not to mention that you more than likely to have lobbing as well.
Jul 26, 2012 09:31 pm Lobbing is a summed center of energy that effects the direction of the wave. It can push the energy in a direction that can be hard to control in the venue. Timing and High Pass Filters can help change the lob to a more desired location. However, that would require a second amp, and a crossover that allows you to change the delay time.
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