Nissan 370Z Forum - Advice for speaker/sub/amp selection

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- - Advice for speaker/sub/amp selection (http://www.the370z.com/audio-video/10106-advice-speaker-sub-amp-selection.html)

Quote:

Originally Posted by bigaudiofanat (Post 239375)

I honestly do not want to get into a war about this. I use to swear by caps and all back in the day. Than I found out somethings about them and all. Yes they do help take some load off the electrical system. But if you do need a cap you would be better off getting a new alternator or a second battery. Like I said people have there opinions. So let's agree to disagree.

Big-A, I am in no way disagreeing with you at all. In fact I totally agree with you. Caps are not the answer. I was just adding in the fact that the 370 already has a great alternator. The stock batteries in the Z are not very good and will not last long.

I am just recommending to anyone who does a major system in the Z to NOT overlook upgrading the battery as well.

Okay good deal than. LOL Ya that stock alt can dish out some pretty good power. I always put a optima yellow top battery in if I am serious about my audio system.

Quote:

Originally Posted by 2fast4thelaw (Post 239372)

I know Big A is not a big JL Audio fan and thats ok, but I think JL is a great option with your budget. The G series amps by JL are a great value and are excellent amplifiers for the money.

I think the IDQ12 is a great sub and 250 watts is PLENTY! of power. This sub is pretty legendary and it will make you one happy camper! The Alpine MRP amps are very reliable but not the most dynamic amps. I think you would be happier with the JL G4500, its a better amp! However, Alpine PDX 4.100 would be even better and its more efficient! However, add another $100.00 to the budget.

Here is another tip that will save you some cash. For amp wire, go to a Welding shop and buy some 4 or 2 GA Welding Cable! Its premium grade with the small strands and its pure OFC Copper and its half the price of Car Audio wire. (Most Car Audio wire nowdays is Copper Coated Aluminum)

BTW, If you were happy with the stock system in your Lexus, this system is going to Rape your ears!

Thanks for the tips! Yea I'm sure it'll sound better then my Lexus. This is the first time trying components and a real sub out. :)

Again thanks all for the advice/tips! I already ordered my zenclosure and speaker spacers. Now just getting the rest of the items in order.

For the sub since I'm going to be running a single sub at 4ohm I want the IDQ12V2.D2, right? I checked the wiring diagrams but just want to confirm.

No the D4 you want a dual voice coil 4 ohms sub. The D2 is if you were going to run it at 1 ohms which not all the amps can run at that. so D4 what you want.

Really? I want the run the single sub at 4ohm to my amp, correct?

I looked at this and I thought I would want a D2. http://www.imagedynamicsusa.com/pdf/...2%20WIRING.pdf

Here's the diagram for D4. http://www.imagedynamicsusa.com/pdf/...4%20WIRING.pdf

It is a DUAL voice coil which means it can be wired as a 8 ohms or 2 ohm load. You are looking at the Single voice coils. Here is the diagram you should be looking at. And here is the sub

http://www.woofersetc.com/p6225/IDQ1...-Subwoofer.htm

http://www.the12volt.com/12voltimage...m_dvc_2ohm.gif

So with what you're saying I'm going to end up with a 2ohm load to my amp. With the JL G4500 and ch3/4 bridge it says minimum 4ohm. So then I would want the dual voice coil 2 ohm sub, right?

And even if I ran an amp the supported 2ohm since the Focal's are 4ohm don't I have to run all the speakers as 4ohm to the amp?

And the link I sent were for the DVC... says dual on both of those pdf's.

Well I never knew which amp you were going with. So if you are going with the JL than you want the DVC 2 ohms and the speakers will be fine they are 4 ohms.

Quote:

Originally Posted by bigaudiofanat (Post 239527)

Well I never knew which amp you were going with. So if you are going with the JL than you want the DVC 2 ohms and the speakers will be fine they are 4 ohms.

Thanks for the help! So If I run the Alpine MRP-F600 then I would want the DVC 4ohms since the amp can handle the 2ohm load.

I see suggestions for the Door speakers but what about the "tweeters" on the top of the dash?

ANY "component" SET includes tweeters so the speakers that were recommended includes tweeters.

OK, thanks. I've done upgrades on cars but never audio gear.

If I want to use the OEM speaker wiring I would just run speaker wiring from the crossover to the FR/FL wiring on the harness, right? The stock base doesn't have an amp that I have to bypass or anything?