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Matching amp with sub
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<blockquote data-quote="zinda" data-source="post: 8040746" data-attributes="member: 633054"><p>First thing to consider is your application. You mentioned a stealth set up, so how much space do you have to work with? What made you pick the JBL sub? Where is the mounting location going to be, trunk under seat behind seat, hatchback, in door, rear deck? These are things that what will determine the sub to start with in the first place. If you are needing a shallow mount sub, a small enclosure sub, a free air or large enclosure, ported, sealed. So the first thing I would do is get the box made if you are limited on space, then determine the volume in cubic inches of room, then consider where it's to be mounted as far as how well it will be able to produce sound. There has to be nothing blocking the front of the speakers for at least 4 inches to properly form sound waves. The type of box you plan to make will be determined only if you have plenty of room to work with but since it's a stealth mount system I'm not even going to toss that into the options. I'm going to guess you will be looking at a small ported box if it's mounted any place other than under your seat, that means you will be looking for a sub that will work well within the parameters of your box and handle the power you will be applying to achieve the sound you need. If you're using deck power you will not need much power to match up with your speakers. That kinda makes all this searching and thinking about it needless, but at least I can give you some advice to use when you decide to upgrade. With that said I always advise anyone who is just thinking about buying their first amp to always buy a medium powered 2 or 4 channel amp 50w RMS per channel and can be bridged in mono either 4 into 2 channels or 2 into 1 channel. I say this so the amp can later be used as a mid/high amp for your speakers that are now on deck power. An active crossover on the amp would be advised also to make the transfer simple. I'm pretty sure that everyone who has ever visited this site has upgraded their system, even if they said they had no plans to do so, we all do, we all do not make the correct choices nor do we actually listen to what others have suggested. Mistakes are made and le$$ons are learned the hard way.</p></blockquote><p></p>
[QUOTE="zinda, post: 8040746, member: 633054"] First thing to consider is your application. You mentioned a stealth set up, so how much space do you have to work with? What made you pick the JBL sub? Where is the mounting location going to be, trunk under seat behind seat, hatchback, in door, rear deck? These are things that what will determine the sub to start with in the first place. If you are needing a shallow mount sub, a small enclosure sub, a free air or large enclosure, ported, sealed. So the first thing I would do is get the box made if you are limited on space, then determine the volume in cubic inches of room, then consider where it's to be mounted as far as how well it will be able to produce sound. There has to be nothing blocking the front of the speakers for at least 4 inches to properly form sound waves. The type of box you plan to make will be determined only if you have plenty of room to work with but since it's a stealth mount system I'm not even going to toss that into the options. I'm going to guess you will be looking at a small ported box if it's mounted any place other than under your seat, that means you will be looking for a sub that will work well within the parameters of your box and handle the power you will be applying to achieve the sound you need. If you're using deck power you will not need much power to match up with your speakers. That kinda makes all this searching and thinking about it needless, but at least I can give you some advice to use when you decide to upgrade. With that said I always advise anyone who is just thinking about buying their first amp to always buy a medium powered 2 or 4 channel amp 50w RMS per channel and can be bridged in mono either 4 into 2 channels or 2 into 1 channel. I say this so the amp can later be used as a mid/high amp for your speakers that are now on deck power. An active crossover on the amp would be advised also to make the transfer simple. I'm pretty sure that everyone who has ever visited this site has upgraded their system, even if they said they had no plans to do so, we all do, we all do not make the correct choices nor do we actually listen to what others have suggested. Mistakes are made and le$$ons are learned the hard way. [/QUOTE]
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