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Hello, Im looking to get a box design for 2 NVX VCW 12s from specs it says they like lower tuning and around 1.5 to 1.85 cubes per sub. with that in mind id like to tune to 30/32hz also i have good electrical that never dips below 13.5, i will get at least rated 2k if not more my max room is 15.5" tall,34"wide,23" deep thanks!
Some of you might know I was given an NVX VCW 124 from the awesome guys at SonicElectronix as one of the cool contests that happen here at SMD. Some of you migh be wondering whatever happened to that sub?
Well I still have that sub and was planning to use it in my build I am slowly working on as part of a mild SQ setup. I finally got around to starting to do the install and testing and tuning and have run in to some issues with the sub. Which hopefully are a fluke and can be addressed. The design I chose for the box was on the large size 2.75 cubes tuned to 34hz with around 34 ^ 2 of port area. The sub suspension and coil have held up pretty good but where the problem lies in my opinion is the adhesive NVX uses. The sub started to sound like it was unloading or bottoming out when testing in the box. So I took it out to do some free air testing.
The test was performed using the DD tone generator my JVC headunit and a Rockford P1000X1D with the coils wired in parallel for a 2 ohm load. The voltage strong during the entire test 14.4-14.2 volts very little to no voltage drop during the test. I was puzzled at first as their was no coil rub and the coils did not appear to be black. Then I took a closer look at the dust cap. ah ha it's just the dust cap coming off a simple and easy fix or so I thought. After removing the dust cap and further testing the motor noise still remains and it looks like the same adhesive may have been used for the triple joint. I just wanted to share my findings and I am kinda bummed but still thankful to have been able to test this sub.
Ok, so I have a Pioneer AVH#### head unit, and the volume it distorts at is 37. So when adjusting the gain on the JAD 1200.1 I can max out the gain on the amp and still get no distortion, but even when I have the gain all the way up and put the actual head unit into distortion above 37 I still get no distortion from the amplifier. I do notice that when adjusting the gains I hit tiny bits of distortion but it quickly goes away. Could there possibly be an issue somewhere with the amp? Has anyone had any similar issues? Note that I have 2 of these amps and I get similar results with both of them. I know it may be a slim chance both of them would have the same problems, but you never know.
OK! So this is my first car and i'm looking to get some a new sound system. I already have a "650W Premium 9 Speaker System" but it doesn't hit the way i want it to hit. The amp itself is a headache because it auto levels the music . So I'm looking to replace the amp and the subwoofer with 2 12's or 2 15's and a new Amp. But I have no clue where to start. Right now i have 2 Rockford Fosgate P2D2-12's with a Rockford Fosgate R500X1D in my cart on amazon... box and all. I want something that knocks, I want to keep my current speakers in the doors and the navigation but i have no clue what to do. I looked all over the internet but this driving me nuts.
By Joseph Chambers
I have three things to say here: http://www.sonicelectronix.com/item_68827_NVX-XSP5KIT.html when adding the cross-sells/bundled savings the coupon code does not work. NVX25OFF for example, to get the free sound deadener.
It seems to only work when I use the: "add to cart w/ coupon" CTA. Even if I were to add the kit without the bundled savings and add NVX25OFF in my cart individually it does not work.
My next question is this.
I'm debating between a few scenarios right now.
Buy just this: http://www.sonicelectronix.com/item_68823_NVX-XSP525.html for the rear doors as fillers. Please note I have x2 kits of the XSP6KIT in my front stage. Buy http://www.sonicelectronix.com/item_68827_NVX-XSP5KIT.html http://www.sonicelectronix.com/item_72200_NVX-VSP525KIT.html http://www.sonicelectronix.com/item_72199_NVX-VSP525.html What should I do? Again I just want to fill the rear seats.
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