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Re: 1500w duel coil subwoofer
Depends on the type of music you listen to and the type of sound you want out of the box. If you're looking for "as loud as possible", you'll probably want a ported box, as this will make the output of the sub peak at a specific frequency and drop off at others. If you wanted more of an even response across many frequencies, a sealed box is probably best. Kenwood has recommended sizes in the owner's manual.
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There are a couple different ways you can wire up this speaker as it is a DVC speaker. Duel Voice coil, it has two + post and two - post. A dual 4-ohm voice coil subwoofer with its coils wired in parallel presents a 2-ohm load to your amplifier. Since an amplifier produces more wattage at a lower impedance, the parallel connection ensures you'll get the most output from your amp.
Series wiring lets you configure multiple woofers to one amplifier at an acceptable impedance. Wire both coils in series for an 8-ohm impedance, and then wire two 8-ohm subs together in parallel for 4-ohm total impedance.
You can wire each voice coil to a separate channel of your amplifier, if you prefer not to bridge your amp. Independent wiring is a nice option if you're wiring two DVC subs to a 4-channel amplifier - one voice coil per channel
Depending on what you are hooking it up to i.e. a mono amp or a bridged four channel amp. I can tell you post to wire exactly if I know how you want to hook it up and what ur hooking it up to.
the best way? hmm. i would start off with some wire. Keep in mind that you will need to separate the positive (usually red or has a stripe or marking on it) from the negative (Black usually is the common color for this wire) and hook the up according to your amps positive and negative hook ups / terminals following your sub-woofers terminals. then depending on your sub woofers Voice coils (Duel or single voice coils) yours are duel or quad coils but i\'m sure they are duel (2 of each positive and negative equaling a total of 4 posts on each sub-woofer). figure out your amps ohm load handling and does your amp run hot (1,2 or 4 ohm stable some are even less like 0.5 or lower) i would run at a 1 or 2 ohm load as that is usually standard on 1 channel amps. make sure to check your wiring and if your not sure about ohm loads just Google wiring for sub-woofer ohm loads such as 0.5 ohm, 1 ohm, 2 ohm or 4 ohm loads. also make sure your box is not sealed do to the fact they are siht and cant produce sound like a vented / ported enclosure keep the size as big as you can fit in your car or truck the bigger the better. i had one 8\'\' sony sub pounding like a 15\'\' sub real loud . Also MDF particle board is garbage it causes port noise and absorbs water
Check to determine if your sub woofers are DVC 4OHM or DVC 2OHM
If your sub woofers are DVC 4OHM then, from the positive (+) of the amplifier run your cable to the positive terminal of voice coil 1 on sub woofer 1 then continue to connect all the positive voice coils together on both sub woofers.
Do the same for the negative from amplifier to all the negative voice coils of both the sub woofers.
RECAP: all positives together on the positives and all the negatives together on the negatives.
This will give you a 1 OHM load to the amplifier making it deliver all its power but will also run hot. So if you are living in a hot climate take care.
Connect the negative on voice coil 1 to the positive of voice coil 2 on sub woofer 1
Do the same for subwoofer 2
now you should have a free negative and a free positive on each of the sub woofers. connect the free positives together and follow through to the positive on the amplifier. do the same for the free negatives sending them to the amplifiers negative.
This will give you a 4 OHM load to the amplifier. Not full power in this mode but the most stable working condition for your amplifier.
If your sub woofers are DVC 2 OHM then you only have one reasonable wiring solution.
Connect like solution 2.
This time because of the DVC 2 OHM sub woofers you would have a 2 OHM load to the amplifier. This is also a stable load for the amplifier and does not generate to much heat and still deliver over 50% to 70% of the amplifiers power.
good luck and drop me a line if you still have doubts.
That amp should work fine for that sub, but you should make sure that the amp has a good power system going to it, and the box for your sub is the right one. Either one of those things could cause problems if not done correctly.
On the Sub you have 4 connectors, 2 for each voice coil... Run a jumper wire from One side of the sub to the other. Positive to negative so that now you have one set of connectors free. Doing this will make the sub able to handle more cause you're using both voice coils. Thats how i've always hooked mine up when i have duel voice coil and they always last a long time. If you're gonna bridge the amp, make sure its turned down for about 5 or 6 hours to let the sub break in.