Hey I have 2 Comp Vr 12 in a box with a kicker sx 500.2 amp pushing them, the problem is when I turn the bass up and the volume on the head unit is all the way down there is a bad noise that comes from the subs, kinda like a hum or something. All of the equipment is new. Any help would be great. Thanks
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you can wire them to be at 2ohm load you need two of the same speaker. its is very bad on the amp to run like that and you will not get a good bass sound because one will over power the other sound wise
Your speaker wires could be shorting to ground at the subs or at the amp. You could be experiencing a drop in voltage when the bass hits. Check your power connection at the battery, fuse and amp. Check your ground connection at the chassis connection and at the amp.
For optimal performance there is really only one size for the box .Firstly, you get two different types of subwoofers, an open air, or closed air sub. If it is an open air sub ( hole with mesh in the center of the magnet) no ports are required, and the box should be sealed on the inside with silicone sealant. If it is a closed air sub ( no hole in the magnet) you need a 50mm port about 120mm long. If it is a 12 inch sub the box size will be 13 inches x 13 inches x 13 inches. Hope this helps
1. Check Grounding system (Player and Power Amp). 2. Ensure your RCA cable is OK 3. You might adjust volume or bass volume on power amp to maximum, just set all to 50% while you are tuning. 4. Check the speaker out cables might contact the ground/ chassis
1 OHM...ONE... sheesh now thats a low resistance for anything... If they are only 500 watts and they are in parallel, series well NO.. your amp puts out wayyyy too much for those speakers.. 1200w versus 500 watts by 2... srill NOT enough "Head room" for it to be safe... about half is all you could expect before Pop.. sound is heard.
turn them off and carefully push in on the cone (gently) and listen for scratching or scraping- push strait in and they should flow freely in and out if they DO without feeling or hearing scraping the subs are probably ok, next its either the amp is not powerful enough or the box is not soundly built, by that i mean its too small for the subs- is the box ported or sealed? if ported try plugging off the vent temporarily and see if bass increases if it does i would permanently seal the box
comp VR 15s are rated @ 500W RMS 1000Peak.
The lanzar vibe amplifier is 2 x 600W RMS at 4 OHMS 2 x 1200W MAX at 4 OHMS 1 x 2400W MAX at 4 OHMS Bridged 2 x 1000W at 2 OHMS RMS.
Your subs are single 4 ohm subs.
If your subs are wired stereo, they both are seeing 600W. (more than the rated RMS)
Chances are, you have them wired parallel to a 2 ohm mono load - of which that amplifier is not rated. In theory, it will produce about 2000W @ 2 ohm mono for a short period of time.
Your amplifier is too powerful for your subs. Turn down the gain setting to 3/4 or purchase better subs. Also be sur the subs are inthe proper enclosure. It sounds as if they are excurting past their linear x-max and colliding with the rear bump plate. This will cause damage down the road if left as is.