Solid_State13

is he selling them? I'll take one for my dorm if it will do a hair-trick in my doorway

is it going in a trunk?

Thanks for the suggestion, but the whole thing ended up costing me like 150 or less, since I already had the amp. It ended up in a 2 ft^3 box tuned to 27 Hz. Sounds great and gets loud enough, but I might just try the bandpass for kicks

Just curious to see what you guys think of using a bandpass box for a subwoofer outside of car audio. After messing around with WinISD, i figured out a design for a 6th order bandpass that is almost flat from 30 to 75 Hz, which would be prefect for music use, and is significantly more efficient than a ported box with similar frequency response (at least for my woofer). Are there any downsides to using a 6th order bandpass enclosure, like reduced sound quality or anything like that? I don't know of anyone who has tried this, so any opinions would be appreciated and just let me know if knowing the box or woofer specs would help

i agree, I had no experience with woodworking at all when I tried my first box. It didn't turn out super pretty, but it worked and was leak free. There are a lot of people who will give you a simple box design for free, or there are several programs out there that you can use to design ur own

What do you mean by better?

before you go spend 500 bucks, why not mess around with the enclosure?

The Fi site says between 5 and 10ft^3, u might be able to do 5 in the trunk, but that seems really small for an 18

what kind of speakers r u running that need 2 XXX18's to keep up with the bass?

agreed, any amp will distort if pushed hard enough, if thats what you mean by dirty power "dirty power". I own the 1000.1 and haven't noticed any dirtiness, but I'm also only running it at 4 ohms through some older crossfire subs, so i mite not be able to notice it. And shouldn't it do rated, since its CEA rated?

any experience with how cadence speakers sound?

but the right sub depends on your budget and goal for the system

Look at the Stereo Integrity Mag, 1000 RMS and specifically designed fro 1 cube sealed

WinISD actually does have group delay, i just never paid attention to it before. the delay is 8ms at best, it's pretty bad at the upper tuning and atrocious at the lower tuning, over 20 ms at 30 Hz and it skyrockets up from there. Although the ported box also has significant delay at the low end, but not nearly as extreme

I was using WinISD beta, which doesn't have it, at least not that I'm aware of. I'm gonna see if i can find the alpha version, which should have more stuff (maybe group delay). If i can find it, what are acceptable numbers for group delay? If there is really no way around this, and 6th orders are just gonna sound bad, then i will just go ported and lose the efficiency. 325 watts on a 10" should still be enough for my dorm room, I just think it would be really cool, and it would offer more protection for the woofer since it would be completely surrounded

Is there a way to minimize delay, like enclosure placement, volume, tuning, port area, etc? Or if i got the tuning frequencies outside of the range that I want the woofer to reproduce (ie tune to say 25 and 90 Hz to reproduce from 30-75 Hz), would that help? If not, would the sound quality drop be worth a 4-5 dB increase in efficiency over a ported enclosure?

This will be used primarily for music, it will be in my dorm room at college. I would be willing to keep the volume lower, or turn the sub down, for movies if it will work better for music. Will it start bottoming out as soon as it hits that 24dB slope, or will it be safe until the output level drops significantly, like 3 dB or something The sub I have (elemental designs 11kV.2) wont cut it in a sealed box, and don't think will be able to do an infinite baffle set up. So it is either ported or bandpass, and I couldn't get the response I wanted out of a 4th order. And group delay, is that an actual time delay for the sound or a weakened transient response or something else?

the enclosure doesn't start dropping off ( at 24dB an octave) until 30 Hz, that should be allright for music, right? I don't have an ssf, although i'm pretty sure i could build one, but i won't bother if it won't really be helping. So no noticeable effects on SQ, assuming there is enough port area?

Ebay has worked for me. I've also heard good things about audiogon.com

Something happened when I tried to start the thread, whoops. Anyway, I recently got a elemental designs 11Kv.2 (10" sub) for my dorm stereo, and the sealed box really isn't working very well without cabin gain. First time designing a box, but I came up with a design using WinISD. It would be a 2.1 cu ft box tuned to about 28Hz with 27 sq in of port area (slot). the sub will be powered by a 325 watt BASH plate amp, in case that makes much of a difference. Does this sound right? any help would be great. T/S specs from eD are: Qts: .28 Qes: .31 Qms: 2.7 Fs: 24.80Hz Re: 7.0 Vas: 66L Mms: 116.0g Bl: 19.00T*m SPL: 87.1dB Sd: 350cm

Where can u get a $100 stand alone active crossover for HT? I'm having level issues with my speakers/sub and that would help alot