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Old 08-12-2008, 02:22 PM
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Sealed or Ported

Hello all, im new to car audio and i was just wondering if i were to get a sub what type of box would be best, with price being a little cheap. Also just wondering what is the difference between a:
-2 Channel Amp
-Multi-Channel Car Audio Amp
-Mono-Car Subwoffer Amp
-Marine Amp

Thanks for the Help!
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Old 08-13-2008, 11:13 PM
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A vented box will generally give more output for a given amount of power. A sealed box is easier to build though.

A 2 chanel amp has 2 channels. A mono amp has one channel and generally will make more power into a 2 or 1 ohm load. The choice between the two generally lies in the speaker you want the amp to power.
A Multi channel amp is any amp with more than one channel. Generally it refers to amps with 3 or more channels though.
A marine amp often has a coating on the circuit board and sometimes the heatsink as well that will resist corrosion.
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Old 08-14-2008, 12:33 AM
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Thanks alot !
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Old 08-14-2008, 10:15 AM
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if i were to get a sub what type of box would be best
There is no best, only better. The most important factor of a sealed or ported enclosure is what the T/S specs are on the driver. Even with that, the published specs can be a little off. Have the driver measured for its exact specs and build accordingly.

This has got to be the best tool I have ever purchased.
http://www.partsexpress.com/pe/showdetl.cfm?&Partnumber=390-804
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Old 08-28-2008, 12:41 PM
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If you go sealed Dukk wont love you anymore....jk
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Old 08-28-2008, 02:55 PM
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got that right... BS sealed junk...
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Old 08-28-2008, 09:06 PM
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we can't forget the amount of space he's willing to give up. Sealed boxes are smaller,easier to build but have less output(generally speaking). Ported boxes you gotta love those ported boxes. When i swithed from sealed to ported I picked up almost 5db, no amp swap, no sub swap, just the box! I did have to give up most of my trunk though. I'd do it again in a heart beat!
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Old 08-29-2008, 11:38 AM
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It also depends on what subs your getting. Some sound and perform better in sealed enclosures while other perform better in ported ones.
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