Question about DHD NTX-6812 Car Subwoofer

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2 DHD NTX-6812 car subwoofers

What do i need to run these speakers without killing my battery and the best quality sound i can get?

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First you'll need to buy a good quality amp wiring kit. For the torture your battery receives, get a power cap. The higher the farad the better off. And as for sound quality use really good RCA's and speaker wire. Try to keep the amp as close to subs as possible, and speaker wire a the necessary length. Not to long. Be sure to have a good ground.

Posted on Dec 04, 2008

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Posted on Jan 02, 2017

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2 NTX-6812's. need box and amp.


if your subs are dvc 1000w max and 500rms wiring up to a 1 ohm load you would need a 1000w max 1 ohm stable amp. to put this in a pickup truck, i would not put them in a box, i would get 2 12inch tubes to put them in. cause a wedge truck box would make your system sound like garbage and will be distorted, your sql will be poor, basically you would need the right amount of air space for the subs.

Feb 10, 2010 | DHD NTX-6812 Car Subwoofer

1 Answer

I have a ntx-6810 wanted to know how many cubic feet i need to build a box. thanks for the help


For this sub the enclosure is pretty basic.

Sealed box- 2 ft cubed with a shared chamber would be fine. Can go smaller is you need the extra space. THe minimum requirment is .7 per sub.

Ported box- 3 ft cubed, with the port tuned to about 45 hz will work.. 45 hz isn't very low bass, but is at the very bottomn end of the frequency response for this driver.Also, if you are gonna run a ported enclosure, be ware of power handeling issus, and be careful not to over drive the woofer..800 watts rms for the pair on the high side.

Aug 08, 2009 | DHD NTX-6812 Car Subwoofer

1 Answer

Dell vostro 1500 Laptop battery cost? please help me!


It may be differnt by different sellers,
Here are some;
Link1
Link2
Link3
Regards, Waqar.

Aug 07, 2009 | DHD NTX-562 Car Tweeter

2 Answers

Ok . i have a pair of crossfire subwoofers, @


Your amplifier is 4 channel... and only 2 ohm stereo capable.

You will get the most power putting 1 subwoofer wired in parallel on each BRIDGED channel.

This will give you a 2 ohm stereo load.

Both + on 1 subwoofer to + terminal on amplifier bridged channel 1
Both - on 1 subwoofer to - terminal on amplifier bridged channel 1

Both + on 1 subwoofer to + terminal on amplifier bridged channel 2
Both - on 1 subwoofer to - terminal on amplifier bridged channel 2

Thanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.


Jun 10, 2009 | DHD NTX-3102 Car Audio Amplifier

1 Answer

Need enclosure size for DHD NTX-7912


DHD's web site doesn't appear to have a direct support link. Aslo, there's no support form or email address listed. I'd call them or send them a "snail mail" request.

Here's the information you need.

Address: 4480 Pacific Boulevard
Vernon, CA 90058
Telephone: 323.588.2999

Hope this helps!

Mar 16, 2009 | Car Audio & Video

1 Answer

DHD AMP


How do you have it wired now?

Impedance of each voice coil?

Number of voice coils per speaker?

Nov 03, 2008 | DHD NTX-2008 Car Audio Amplifier

1 Answer

RE: ntx-6612


hi, if they are 12s then give them 12 iches in depth and 14 inches on with,same with the hight

Feb 21, 2008 | DHD NTX-6612 Car Subwoofer

2 Answers

Dhd ntx-6812


HI Kenny,

If you want to know the procedure for building a great Sub box. go to this aritcle.

http://www.termpro.com/articles/buildbox.html

Aug 30, 2007 | DHD NTX-6812 Car Subwoofer

1 Answer

Sub does not fully work


My guess is that one of your subs has a damaged voice coil, which acts like a short circuit to the speaker outputs. If you put an ohmmeter on the speaker terminals you should measure a resistance of not much less than 2 ohms (assuming you've wired the VC's in parallel). If you measure a significantly lower resistance then you have a damaged subwoofer.

Mar 13, 2007 | DHD NTX-6812 Car Subwoofer

1 Answer

DHD ntx6408 subs


Voice coil has been blown open. Most likely alot of times what I do to test a speaker is connect it to a 9 volt battery. on and off and the speaker should bounce. If not speaker is blown. Plus this way you could save yourself lots of problems. If the speaker was shorted and not blown open. You would now possible have a blown amp and home stereo.

Jan 06, 2007 | DHD NTX-6612 Car Subwoofer

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