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Alright, so I have designed my box. 1.72 sealed/3.0 ported. 8 inch aeroport tuned to 42hz. Sub is a single zv3 15, amp as of now is a sundown 1500 (I plan on upgrading to over 3k soon). I have drawn out some box sketches and played around in WinISD and Torres box calculator. Do the box numbers (cft, tuning, port size) sound right? I know theres a lot to play around with when it comes to box designs. I know some people will think "Just build it and see if it sounds good", but Im only 18, so I dont have all the money in the world, so if I spend this money on building the box and it doesnt turn out well, im just out that amount of money. I just want to hear some opinions on the box, good or bad. I've designed plenty of sealed/ported boxes, but just now getting into the 4th order scene. Appreciate the help
Hello all, been a while since I have posted here.
I have been out of the audio world for a few years, but I picked up a 4th order box off facebook recently that was built specifically for my 2001 Chevy Tahoe. Got it with all the trim pieces for $150.. I couldn't pass it up. I have attached a few photos if anyone is curious to see what it looks like, they arent the best but you'll get the idea.
I have tried searching this forum and google but couldn't find any real specific answers. I am trying to figure out what subs would work best in a 4th order application, I have found that High Qts and low Fs is what I am looking for, but I do not know any specific numbers as far as whats considered to be a "high" Qts number or a "low" Fs number that I should be trying to stay within. Also, any other major factors to consider aside from recommended enclosure size?
I am trying to keep this (sort of) a budget build and looking to spend around $100 per sub and have the subs on around 3-4k rms total. I was thinking I would go with the D2 HDS2 15s by Soundqubed as they are $104 a piece. Is this a decent sub for a 4th order application? Fs is 28.93 and Qts is .572.
I am not set on this sub, and am currently searching through local facebook groups daily for some used subwoofer options. I know box volume can also play a factor in deciding subs, I dont have the exact dimensions currently but can get them if needed. I have no issue determining the box volume and reading whats recommended for the subwoofer as far as box volume goes. Mainly the Qts and Fs is my concern.
Any suggestions would be greatly appreciated, Thank you!
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