Home Audio Tuning
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Gold Member Username: MgbcsLincoln, Nebraska Post Number: 1744 Registered: Dec-06 | OK...well I picked up four of those 8" eD and I think I want to test them out in a home audio application. What would you suggest tuning to, and how many cuft? I know it's low hz for home, but with 8s, I don't know how low I can go. Thanks guys, and HAPPY THANKSGIVING! Ben |
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Gold Member Username: Logan__tilleHEMIKLR Post Number: 9075 Registered: Feb-06 | Do you plan on putting all four in the same box? |
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Gold Member Username: MgbcsLincoln, Nebraska Post Number: 1745 Registered: Dec-06 | I don't really know the plan right now, but for the sake of running them at 4-ohms, I am going to say yes. |
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Gold Member Username: Logan__tilleHEMIKLR Post Number: 9076 Registered: Feb-06 | I would do something like 2.5cuft @ 25hz. |
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Gold Member Username: Tremor1127Fi Post Number: 2443 Registered: Aug-06 | for all 4? those confuse me. i bought 4 of them but it says like 1.5 per sub ported, for car. |
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Gold Member Username: MgbcsLincoln, Nebraska Post Number: 1746 Registered: Dec-06 | Yeah I'm with you Tremor. The space they say they require seems ridiculous. I would be happy to give them 2.5cuft, but I don't know about 5cuft like they suggest. Anyone else have an opinion? |
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Gold Member Username: MgbcsLincoln, Nebraska Post Number: 1748 Registered: Dec-06 | Bump |
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Platinum Member Username: WingmanaliveA pic is worth 1000 posts!! Post Number: 11159 Registered: Jun-06 | If it's too big just undersize the box and add damping to compensate. There's always some play allowed in enclosure size so unless you're a fanatic don't lose sleep over it. I'd shoot for mid to upper 20hz and use the 1.65/sub box size. If it's too big reduce and compensate accordingly. Sean provided a good link showing you just that however I can't get it to work for me anymore so here's another link: http://www.diysubwoofers.org/talkshop/messages/41415.htm |
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Gold Member Username: InsearchofbassPost Number: 7197 Registered: Jun-04 | Thanks paul I was lookin for a link to that site that worked..I needed it for the l5 kicker post |
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Gold Member Username: MgbcsLincoln, Nebraska Post Number: 1749 Registered: Dec-06 | So Paul, you're saying 1.65cuft each sub? For an 8"?? |
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Platinum Member Username: WingmanaliveA pic is worth 1000 posts!! Post Number: 11166 Registered: Jun-06 | Ben, I suggested it cause that's what they told me. Overview: The EHQS Development division was founded as a development sector of the company to serve large and medium sized companies. The EHQS 8 is a very efficient low cost alternative to many name brand products selling for much more. For Car, Home, and various DIY projects it's the perfect 'test speaker' for just about any enthusiast. Power Handing : 100w Available Voice Coils : Single 2 & Single 4 Sealed Box Size : .75-1.00cF Vented Box Size : 1.25-1.65cF Qts: .48 Qes: .64 Qms: 7.50 Fs: 32 Re: 4.1 Vas: 40 L Bl: 6.8 T*m SPL: 84.95 dB Sd: 220 cm^2 Xmax: 6.00 mm Voice Coil : 25 mm That's what I'm going off of. |
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Gold Member Username: MgbcsLincoln, Nebraska Post Number: 1752 Registered: Dec-06 | Wow...okay thanks. Now I have to work on a design. How did you go about doing your design? |
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Platinum Member Username: WingmanaliveA pic is worth 1000 posts!! Post Number: 11167 Registered: Jun-06 | Lol. My design used 1 18" sub. Yours will differ slightly lololol. Think about final placement and room acoustics. Where are you placing it? Against a wall, in a corner, middle of the room? I built mine as a down firing design because of the possibility of changing its' position within my room. Bass is nondirectional but room acoustics isn't. If you have hardwood floors, 12' high ceilings, 8' X 8' room ect...all have an impact. I designed my sub to kick the sh!t out of my entire house and sound good doing it. If I was still married I probably wouldn't even be an Ecoustic's member, let alone owning a HT sub like I have. Some $$, beer, and alot of extra time has its' way on ex bassheads in their 30's lol.  |
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Gold Member Username: MgbcsLincoln, Nebraska Post Number: 1754 Registered: Dec-06 | Alright, thanks Paul |
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Silver Member Username: SomedonniedudeIllinois United States Post Number: 433 Registered: May-07 | I thinks its crazy how 4 of these 8 inchers require more volume than some 15's!!! Maybe Ill make a box out of cardboard to experiment instead of wasting wood. I know it says 1.65 cf, but I would have to see it to believe it (im not in complete doubt, it just blows my mind). I ordered 4 as well, so I think this will be a fun winter project. |
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