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Enclosure Design & Construction
Sub enclosure
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<blockquote data-quote="OldFartAudio" data-source="post: 8713561" data-attributes="member: 680592"><p>I was interested in a down firing sealed 12” in the tire well of my Focus for similar reasons. Up firing will work too but you will need a sturdy grill over the sub. I think the down firing could work good but it would be difficult to do properly. My idea was to fiberglass a passage for the front wave to move up and out of. Imagine the scoop on a funny car but a sub firing out of it sort of. It might end up functioning like a single reflex band pass enclosure though. Anyway, I am going to do something different now because the thought of building it is overly intimidating. But, I think it can be done if you wanna go that route. Raising the floor is pretty easy and you can incorporate the frame work into the box which I think makes it a very practical way to go. I think optimal location is usually on the passenger side in the rear corner but it shouldn’t matter much. If you cross the subs over as low as possible. I think that just under 60 hz is where I personally stop being able to localize bass. Like 58 or 59. You will need to play around some and you don’t want to leave a hole between the mids and the sub. Get it to blend well and shoot for the lowest frequency you can. <img class="smilie smilie--emoji" loading="lazy" alt="👍" title="👍" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f44d.png" /></p></blockquote><p></p>
[QUOTE="OldFartAudio, post: 8713561, member: 680592"] I was interested in a down firing sealed 12” in the tire well of my Focus for similar reasons. Up firing will work too but you will need a sturdy grill over the sub. I think the down firing could work good but it would be difficult to do properly. My idea was to fiberglass a passage for the front wave to move up and out of. Imagine the scoop on a funny car but a sub firing out of it sort of. It might end up functioning like a single reflex band pass enclosure though. Anyway, I am going to do something different now because the thought of building it is overly intimidating. But, I think it can be done if you wanna go that route. Raising the floor is pretty easy and you can incorporate the frame work into the box which I think makes it a very practical way to go. I think optimal location is usually on the passenger side in the rear corner but it shouldn’t matter much. If you cross the subs over as low as possible. I think that just under 60 hz is where I personally stop being able to localize bass. Like 58 or 59. You will need to play around some and you don’t want to leave a hole between the mids and the sub. Get it to blend well and shoot for the lowest frequency you can. 👍 [/QUOTE]
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