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CVR or 5500?

Yeah I build ported boxes and he's had a sub sealed in his GTO before. He liked how ported sounded in my car so he wants ported. I was thinking 35-38 hz. I tune mine to 31-32 hz but I have a feeling that would be too low for him. But back to the question at hand, has anyone used both subs and have an opinion?

It's a 2 channel amp. It's maximum power is at 4 ohms bridged so I'd get the single 4 ohm version. He listens to half rap, half rock. I haven't decided what to tune his box to yet.

My friend has an '06 GTO and he wants a single 12 ported. He has an MTX TA3202 rated for 200 rms watts at 4 ohms bridged. The birthsheet says 275 watts. I can find either sub for around $100 shipped. Which do you think I should tell him to go with? I've had CVR12's but I don't have any experience with the T5500's.

Under products I'm only seeing the nightshade?

I thought they only made 10's and they were dual 4 ohm? Do you have a link?

I need a final 1 ohm load. I'm using a Sundown Audio SAE-1000D.

Okay sweet. Thanks a lot guys. Yeah my back batteries are not grounded to the frame. I have a battery negative run going from the rear batteries to the front battery. The front battery is grounded to the frame. The amps are grounded to the rear battery negative. So would I be better off to get rid of the Duralast and get like an HC800?

The amplifiers are grounded on the battery negative of one of the Kinetiks. Did you mean ground the Kinetiks? I have 1/0 connecting all the negatives together.

If I build a ported box to sit on the floor in the backseat behind the drivers seat, what directions should I fire the sub and port?

Anyone?

Is my Duralast Gold battery hurting my voltage? I have an Excessive Amperage 250A alternator, one Duralast Gold Size 65 battery under the hood wired in parallel with two Kinetik HC1800 batteries. I have the 3 batteries connected - to - to - and + to + to + (I have two runs of 1/0 going the length of the car), but only the Duralast under the hood is grounded to the chassis. My voltage driving around is usually 13.8V at the amplifier (with the stereo turned down all the way, but on). I took my car to Advance today. I unhooked the two 1/0 runs at the Duralast that connect it to the Kinetiks. They tested the battery and came up with 12.59V and 958CCA. I kept it disconnected from the Kinetiks and I had the guy test one of the Kinetiks. The Kinetiks were still wired in parallel with eachother when he did the test, but not grounded to the chassis because only the Duralast is. The test gave 13.06V and 1095CCA. I wish I disconnected the Kinetiks from eachother and had him test them separately, but they were closing in like 2 minutes. What can you guys tell me based on these tests? Thanks a lot.

Looks great man! God I love those '99 tahoes. If gas wasn't $4 a gallon I'd get a black '99.

I'm looking for four 12's around 250 rms watts that are either 2 ohm DVC or 4 ohm SVC. Let me know!

impedance? EDIT: nevermind... saw they only make dual 4 ohm