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Subwoofers
Adjusting new sub - quick and dirty please?
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<blockquote data-quote="Sierra Nate" data-source="post: 8591620" data-attributes="member: 673019"><p>Several months ago I installed a new Pioneer 4200 NEX head unit , Pioneer GMA 6704 four channel amp and Alpine S in the four doors. I came to this forum because I was getting some serious clipping and followed the advice given and solved that problem through setting the cross-overs in the head unit and not using those setting on the amp.</p><p></p><p>Of course, the solution rendered me with no bass. So I picked up a cheap Alpine 8 inch powered sub. It filled the void...it was cute...it fit neatly under my back seat right in the middle, installation was easy. Of course everyone on this site said 'don't do it, Nate'. But I was on a budget and lacked the time to do bass the right way.</p><p></p><p>Well...I blew that sub twice now. It was 200 watts and sounded decent with volume not maxed out. But turn it up on a bassy song and out she went...twice...</p><p></p><p>OK...this weekend I had some birthday money to spend so I picked up a 13 inch JL Audio TW5v2 and an Alpine MRV M500 mono class D to power it. Man...what a difference in sound quality!</p><p></p><p>Now I need to understand how to fine tune this thing and also, how to best place it. I have it mounted in a wedge box that fits neatly under the rear seat on the driver's side. Firing up, into the seat. I lifted the seat and hear absolutely no difference in sound with seat up or down.</p><p></p><p>My problem is I feel like the music is coming from behind me. Before installing this thing it felt like the music was centered in front of me (before this sub, I adjusted the timing using the Pioneer mic to get a starting point and then manually adjusted from there).</p><p></p><p>All this high fidelity audio stuff is new to me but I follow instructions well.</p><p></p><p>Where do I start? Is the new sub throwing off my timing and just need to redo the timing now? How do I set the amp LPF? It ranges from 50-400 hz. Crank it all the way to 400 and let the head unit do it's thing? Is firing up into the seat a decent way to fire? I have limited space because I carry a lot of off-road recovery gear and a lot of it is under my seat. Behind the seat means I have to remove the back seat and I'm not even sure I have the space back there for a sub. The box it is in is not ported...just a plain wedge swapped box.</p><p></p><p>I listen to rock, classic as well as newer stuff. My wife listens to 80s music. My kids listen to swag. When we go camping we listen to country. So ideally I need adjustability but I think adding a RUX knob would accommodate that? No?</p></blockquote><p></p>
[QUOTE="Sierra Nate, post: 8591620, member: 673019"] Several months ago I installed a new Pioneer 4200 NEX head unit , Pioneer GMA 6704 four channel amp and Alpine S in the four doors. I came to this forum because I was getting some serious clipping and followed the advice given and solved that problem through setting the cross-overs in the head unit and not using those setting on the amp. Of course, the solution rendered me with no bass. So I picked up a cheap Alpine 8 inch powered sub. It filled the void...it was cute...it fit neatly under my back seat right in the middle, installation was easy. Of course everyone on this site said 'don't do it, Nate'. But I was on a budget and lacked the time to do bass the right way. Well...I blew that sub twice now. It was 200 watts and sounded decent with volume not maxed out. But turn it up on a bassy song and out she went...twice... OK...this weekend I had some birthday money to spend so I picked up a 13 inch JL Audio TW5v2 and an Alpine MRV M500 mono class D to power it. Man...what a difference in sound quality! Now I need to understand how to fine tune this thing and also, how to best place it. I have it mounted in a wedge box that fits neatly under the rear seat on the driver's side. Firing up, into the seat. I lifted the seat and hear absolutely no difference in sound with seat up or down. My problem is I feel like the music is coming from behind me. Before installing this thing it felt like the music was centered in front of me (before this sub, I adjusted the timing using the Pioneer mic to get a starting point and then manually adjusted from there). All this high fidelity audio stuff is new to me but I follow instructions well. Where do I start? Is the new sub throwing off my timing and just need to redo the timing now? How do I set the amp LPF? It ranges from 50-400 hz. Crank it all the way to 400 and let the head unit do it's thing? Is firing up into the seat a decent way to fire? I have limited space because I carry a lot of off-road recovery gear and a lot of it is under my seat. Behind the seat means I have to remove the back seat and I'm not even sure I have the space back there for a sub. The box it is in is not ported...just a plain wedge swapped box. I listen to rock, classic as well as newer stuff. My wife listens to 80s music. My kids listen to swag. When we go camping we listen to country. So ideally I need adjustability but I think adding a RUX knob would accommodate that? No? [/QUOTE]
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Adjusting new sub - quick and dirty please?
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