Question about Kicker CVR12 Car Subwoofer

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If my woofers at bridged and my and is too but it

If my woofers at bridged and my and is too but it dont sound good what do i do? my voltage is staying low on my battery

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First you dont bridge both ,, 2nd you will need to find out what ohms your speakers are , and if dual coil what ohms each coil is ,, then find out what ohms your amp runs at , at full power.. then try to match your subs to the same ohm load,, REMEMBER there are diff ways onto how to hook subs on which will change the ohms.. good example 1 dual coil sub each coil is 2 ohms then you can hit a 1 ohm or 4,, depending how you hook them up .. When adding more subs and how you hook them up changes the whole game.. if your not sure on how to hook them up read a manual or go to a local shop you can burn your subs up or worst the amp if hooked up incorrectly ..

Posted on Jul 20, 2009

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I have AIWA NSX-RV85. The sub-woofer surround tore leaving just the cone. When I play, The woofer just makes a rattling sound coming out of vibrating cone.Any advise on how to fix my speakers.Thanks


Refit the rubber, you can find itbon eBay, its called reconing actually in this case the cone is the inlybpart wich you dont want to replace... The rattling is beingproducer due to the fact the rubber normally holds the cone ibto positionering over the coils. This rattling is not good can defect your cone. So dont play it roll you got a new rubber fitted!

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My bx1021 speakers just make a low bass sounding buzzing noise when I turn them on. The volume is all the way down and there is nothing plugged into the aux or audio inputs. I unplugged the power and...


The ripple filters on the power supply probably blew.
Look for electrolytic capacitors connected right after the bridge rectifier.
Chances are they will be bulged at the top, leaking at the bottom, or completely missing (exploded).
Replace the filter caps in the power supply, and you should be good to go.
I suggest upping the voltage rating from the originals.
IE - if the original caps are 16V, use 25V caps of the same uF rating.
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If any of the diodes in the rectifier are bad, you will have to replace the diode, or the rectifier if it's a 4 post rectifier module.

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1 Answer

Can i power 2 12 subs a rockford punch z and a xplode with this amp i found all this **** in my garage and i need to know if it will power all this


First of all. Using two different kinds of sub woofers, is not an option, as these two sub woofers have different specifications and you should never mix sub woofers. Now the better choice from the 2, would probably be the Rockford. (cant be sure without knowing the models, power handling is also a factor in how well either of the sub woofers will play, but Rockford as a rule makes better sub woofers than Sony does) In my opinion, both the sub woofers deserve a better amplifier than what Boss has to offer. However to connect either of these sub woofers, you would need to determine how many voice coils it has and how many OHM the voice coil/s are. If it is a DVC (dual voice coil) and each voice coil is 4 OHM or 2 OHM, then you can connect one voice coil to one channel of the amplifier and the other voice coil to the other channel of the amplifier. If it is a DVC 2OHM you can also connect it wired in Series/Series to give a 4OHM load and should be connected to the BRIDGE dedicated speaker outputs of your amplifier. If it is a SVC (single voice coil) and it is 4 OHM, then you can connect the sub woofer to the designated speaker outputs of your amplifier that states BRIDGE. DO NOT run the amplifier in BRIDGE mode at 2 OHM as this will probably damage the amplifier. dreamsystems

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JL Stealthbox 10w3 Subwoofer just shut off no sign of problems just quit working im not stressing it out by operating it above its limits its being powered by a JL HD900/5 AMP im concerned it might be...


If this woofer is a dual voice coil woofer and if you are running your amp bridged or in mono would suggest try wiring your woofer in series.But before Idid anything I would unhook the woofer from the amp and pop it with a battery to make sure your woofer is still connected.

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2 Answers

It gets hot


What you need to check is the impedance that you are connecting at. If you are using for sub woofers... you need to check how you wire them up. If you are using bridge mode then make sure that you have a 4 ohm load. This is possible with a single coil woofer which has an impedance of 4 ohm.

If you have a single dvc woofer, then you would have to either wire it up in stereo with a 4 ohm coil to each channel. If you would like to run it in brifge mode then you would have to invest in a single dual 2 ohm sub woofer and connect it with the coils in series thus obtaining a 4 ohm load.

If you have multiple woofers then it becomes more tricky. You can use a channel amp in bridge mode by getting 2 dual 4 ohm dvc woofers. You would have to connect the woofers themselves in parrallel but to the amplifier, you MUST have the woofers in series with each other. Thus getting a 4 ohm bridged load on the amplifier.

Connecting this amplifier any other way can cause it to overheat and fail.

hope this helps you

Nov 06, 2009 | Power Acoustik LT-980/2 Car Audio...

1 Answer

Amps on woofers are fine just won't hit


your probably making your amp run to low ohms if its a 2 channel amp bridged to one channel you can probably only run it at four ohms

Also seeing as your subs are 2ohm dvc you can't wire them individually to 2ohm and use each channel separately. So i'd recommend buying a 2ohm stable monoblock or running it at four ohms. a 1400 watt amp'll still pound at 4ohms and it'll extend your amp's life span

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1 Answer

Alpine sub woofer


your speakers are hooked up wrong. hook both positives together and both negatives together and bridge it to the amp. if it is one channel hook it up as one together. if it is 2 channel hook positive to one side and negative to the other side.

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1 Answer

Ok, I have a pair of infinity dual voice coil 12" subs, and a pair of audiobahn quad voice coil 12" subs. Boths sets of speakers can handle 450w. Which set of 12's would be best to hook up to this amp, and...


i recomend you just use the best single woofer in a well built box and that will give you better sound at lower gain volumes it sounds like you have too much junk laying around but to get good bass run your sub at 2 ohms if the amp is stable at that impedence

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1 Answer

AMPLIFIER NOT WORKING



With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp (not on the point where the ground wire connected to the vehicle) and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage is below ~11 volts, you need to check the wiring feeding whichever line is too low.

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3 Answers

Yamaha P4500 Power Amplifier 2-Channel Bridge mode


im from Yamaha service before and i know this model can handle as low as 2ohms per channel. I have to check on my manuals though if bridged. i dont see any reason why it cant. and it has a bridge option input stage... let me get back to you again in the days to come.

or email me redrivera0314@tyahoo.com

i have a service manual to check on this. got to dig on my closets..

Mar 14, 2007 | Yamaha P4500 Power Amplifier 2-Channel

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