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https://www.decware.com/cgi-bin/yabb22/YaBB.pl SUPPORT FORUMS FOR DECWARE SPEAKER PLANS >> Housewrecker Support Forum >> can a 12" hwk be used in a mini van? https://www.decware.com/cgi-bin/yabb22/YaBB.pl?num=1150156228 Message started by 60ndown on 06/12/06 at 23:50:28 |
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Title: can a 12" hwk be used in a mini van? Post by 60ndown on 06/12/06 at 23:50:28 high excursion drivers and 2500 wrms, is it a better option than a scaled / modded wo? anyone had great results with a 12" hwk? |
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Title: Re: can a 12" hwk be used in a mini van? Post by J_Rock on 06/13/06 at 03:54:31 60. I don't wanna sound like a jerk, but you keep asking everyone else what WE think. Why don't you spend some time and relax building the sub boxes. I mean, instead of haveing people preach to you, go learn yourself. It will be more rewarding for you to listen to each idea you have, and you will be the expert on the forums, "Well when I built my scaled WO it...." And if thats not reason enough, I totally see you as the kind of guy that learns better when he sees it. We can tell you a scaled WO will loose its magic, but you will be able to HEAR it in person. And you also seem like the kind of guy who enjoys tinkering. You can't tinker with something, really get your hands on it and manipulate it, without having it there in person. |
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Title: Re: can a 12" hwk be used in a mini van? Post by 60ndown on 06/13/06 at 05:06:03 J_Rock wrote on 06/13/06 at 03:54:31:
i dont want to waste time and money building things that wont work.i get my pleasure from listening to the sub not building it. |
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Title: Re: can a 12" hwk be used in a mini van? Post by John in CR on 06/13/06 at 07:22:57 40&up, My guess would be to use the WO. My experience has been that high excursion drivers don't fare as well in the HWK. |
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Title: Re: can a 12" hwk be used in a mini van? Post by HT-EXT on 06/13/06 at 15:41:35 My buddy had some Kicker Comps and decide to build the HWK12. It turn out better than average. It is the first HWK that you could bounce quarters off of and I don't mean throwing them at it either. Four Kicker Comps quad loaded caused the sides to vibrate like the depth charges did to the sub in U571. The guy got lucky and his wife let him bring it in the house to hook to the HT so we did not get a chance to try it in my van. The HWK12 was putting out about 125db with only +300w and could take more. If your talking 2500w to a HWK12(w/Kickers) you are on your own. I need my hearing for furture experiments. I would try it regardless just to see the devastions that occurs and let me know how loud it could actually play in that small a space like a van. HT-EXT |
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Title: Re: can a 12" hwk be used in a mini van? Post by bassboy on 06/13/06 at 16:55:05 I didn't know where to put this anymore, as there are a few different threads now addressing this question. Just remember, with the power you are planning on giving the box, whichever one you choose, I'd plan on at least doubling up on the box material. 5/8 mdf is simply not strong enough to sustain the power you are talking about. |
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Title: Re: can a 12" hwk be used in a mini van? Post by Lee in Arkansas on 06/13/06 at 19:26:39 High Excursion and 2500watts? WOO! :D I'd do it just to say I did it. ;D If you don't like it, someone will buy it. 8) Don't forget to mount it horizontally on a tripod with the top port facing out a window with a potato in there. Just a nice thump in the bass and you'd really rattle the window of the car next to you. :P EDIT- With that much power, and the excursion, I'd go at least 1" MDF, maybe even some 2x4's on the outside(I don't care about looks). |
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Title: Re: can a 12" hwk be used in a mini van? Post by jj420 on 06/13/06 at 19:35:49 HWK-potato gun hybrid :-* Lee - U R genius, good carjacking deterrent too... |
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Title: Re: can a 12" hwk be used in a mini van? Post by Lee in Arkansas on 06/13/06 at 19:44:20 Auto-loader with a roll on a double-kickdrum goin....lol.....I think too much. :P :P :P :P :P 60....where ya at? (Makin' a tripod) |
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Title: Re: can a 12" hwk be used in a mini van? Post by 60ndown on 06/13/06 at 20:50:55 potato in teh port lol ;), 15" housewrecker in the mini van was good(windows up and down) different to the db12 in that the db12 is concentrated close to the box (its easyer to identify where the bass is commeing from...the rear of the van), with the hwk in the van the bass was just there / everywhere,very hard to locate the box.im going to build a hwk 12 (non modded ;)) i figure with the amount of phase and orientation variables in the desighn im almost guarenteed to get something i like, and, its a wee bit smaller than a 43 x43 x14.5 wo, commeing in at 48x14....ish.and the 2500 wmrs is just 'on tap' i dont drive around with the amp anywhere near full tilt, but occasionally when im in the mood, i can crank it and the amp doesnt 'clip' no matter how bad i am :) its like haveing 1000 horse power in your ride, you dont have to drive at 250 mph to enjoy the powa! |
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Title: Re: can a 12" hwk be used in a mini van? Post by Lee in Arkansas on 06/13/06 at 21:37:49 So, as it stands, the 15" hwk was better than a modded WO? |
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Title: Re: can a 12" hwk be used in a mini van? Post by bassboy on 06/13/06 at 21:42:01 Don't forget the bracing and extra panel thickness. 2500 watts is like 3.5 horsepower, almost. That's a lot of power to contain in a wood box. Unless, of course, you want your box to sound like wet dog farts. |
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Title: Re: can a 12" hwk be used in a mini van? Post by 60ndown on 06/13/06 at 23:05:45 Lee in Arkansas wrote on 06/13/06 at 21:37:49:
a 15" housewrecker (2 x 15" jbls)is comparable to but different to a 12" db (1 x 12" ss rl-p), in a mini van (300 cubic feet) im sure in a trunk or regular car performance would be very different. |
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Title: Re: can a 12" hwk be used in a mini van? Post by 60ndown on 06/13/06 at 23:07:55 bassboy wrote on 06/13/06 at 21:42:01:
like riding a bicycle then ::) |
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Title: Re: can a 12" hwk be used in a mini van? Post by John in CR on 06/14/06 at 01:44:45 You'll need a steep high pass rumble filter probably in the 30-35hz range if you want to pump significant power into it. |
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Title: Re: can a 12" hwk be used in a mini van? Post by 60ndown on 06/14/06 at 02:29:30 John in CR wrote on 06/14/06 at 01:44:45:
your sujjesting hwk offers no controll over the driver below 30hz? |
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Title: Re: can a 12" hwk be used in a mini van? Post by John in CR on 06/14/06 at 02:39:54 60ndown wrote on 06/14/06 at 02:29:30:
That's the nature of vented enclosures. Below tuning the drivers unload. At least with the WO, you've got the sealed chamber side helping control the cone, but again, there's no way you could apply full power and a 30hz signal even with the WO. |
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Title: Re: can a 12" hwk be used in a mini van? Post by 60ndown on 06/14/06 at 05:44:25 John in CR wrote on 06/14/06 at 02:39:54:
but the hwk is 'kindof' sealed with a driver in each end of the middle chamber? or something linke that ::) |
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Title: Re: can a 12" hwk be used in a mini van? Post by Lee in Arkansas on 06/14/06 at 05:46:59 Isn't the HWK just as BandPass as the WO? |
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Title: Re: can a 12" hwk be used in a mini van? Post by John in CR on 06/14/06 at 21:03:55 The HWK is a 6th order bandpass and not like the WO at all where the back chambers are sealed. In the HWK, the center chamber is sealed, but it's a shared airspace with no change in pressure because it only provides an isobarik coupling of the two drivers. |
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Title: Re: can a 12" hwk be used in a mini van? Post by Lee in Arkansas on 06/14/06 at 21:08:21 Isn't it still harder to unload it? |
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Title: Re: can a 12" hwk be used in a mini van? Post by John in CR on 06/15/06 at 00:09:07 Lee in Arkansas wrote on 06/14/06 at 21:08:21:
Probably only compared to having only 1 driver in a 6th order bandpass due to the decreased Vas. I have noticed that my quad loaded HWK's can go louder than with 2 drivers without banging the back plate despite the inherent higher tuning. |
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Title: Re: can a 12" hwk be used in a mini van? Post by 60ndown on 06/15/06 at 01:09:23 John in CR wrote on 06/14/06 at 21:03:55:
unless you wire them out of phase? |
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Title: Re: can a 12" hwk be used in a mini van? Post by J_Rock on 06/15/06 at 01:56:57 If you were to wire the drivers so that they fire the opposite ways, the movement would be dampened as well as those same two drivers in as single sealed chamber the size of the middle chamber. In other words, you would gain control over the drivers, yet loose output from overdampening them. |
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Title: Re: can a 12" hwk be used in a mini van? Post by John in CR on 06/15/06 at 04:37:54 60ndown wrote on 06/15/06 at 01:09:23:
Tried it. Sound sucked. It's not even the same as sealed 1/2 size center chambers for each driver because the 2 drivers are each seeing a differently tuned vented chambers on the other sides of their cone, so they move differently. |
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Title: Re: can a 12" hwk be used in a mini van? Post by 60ndown on 06/16/06 at 00:50:10 John in CR wrote on 06/15/06 at 04:37:54:
but all the rules change in c vehicle no? |
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Title: Re: can a 12" hwk be used in a mini van? Post by John in CR on 06/16/06 at 04:52:51 60ndown wrote on 06/16/06 at 00:50:10:
No, the same rules apply, just a much smaller room. If you're outside of the car and a window is open then you'll get some box within a box behavior. |
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