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Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
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Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #140696639 added 09-26-2020 7:56 PM by ApEsxit in Deal Talk
Thx for the update. You should put another one in your car!
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138676259 added 07-10-2020 10:56 AM by slhtonz in Deal Talk
What do you have them enclosed in to get down so low?
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138676316 added 07-10-2020 10:58 AM by Whore in Deal Talk
Don't listen to any of these people saying that it's easy. If you're going to buy a nice subwoofer and then put it in a pre-cut box you're basically throwing away your money. To get the correct...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138677228 added 07-10-2020 11:28 AM by OrangeWheelAndDeal in Deal Talk
I saw on the AVS forum that it went for 250 a year or so ago. @swechsler
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138683174 added 07-10-2020 3:12 PM by 4fit? in Deal Talk
Well, let's see....I built three 10 cubic foot ported enclosures to the exact dimensions and tune I wanted them to be and all for around $150 (excluding the driver itself) including wood, wiring,...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138685025 added 07-10-2020 4:26 PM by timbo10184 in Deal Talk
Have the 15 inch and have never maxed it out, can hear it from the street and rattles the rafters at 1/4 volume with a 500watt amp
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138689078 added 07-10-2020 7:32 PM by agent888 in Deal Talk
I made a full marty tuned down to 15hz with one of these and it is a BEAST! To be safe, I am only feeding it around 900 watts and it still ended up cracking some joints on my drywall.
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138690602 added 07-10-2020 8:56 PM by DouglasBaker in Deal Talk
Smart. And anyone who says 'glue and screws' is forgetting caulk and batting. In other words, ignore them.
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138693980 added 07-11-2020 1:29 AM by FancyStar7413 in Deal Talk
Most people use Titebond
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138699053 added 07-11-2020 10:17 AM by DouglasBaker in Deal Talk
Good talk. Happy trolling. Real wood isn't always the right choice
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138703889 added 07-11-2020 2:17 PM by Cha4me in Deal Talk
It should be enough in 4ohm bridge for a single sub, but not sure if crown is listing RMS or peak. Let's say it's peak, it would work but you would probably not have much headroom before it starts...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138709241 added 07-11-2020 6:56 PM by nopantsdan in Deal Talk
No idea how to PM you, otherwise I would. Well the SVS 1000 is 499 @ Crutchfield. The 12" Ultimax is adequate. It's $180. Can you point me to an Amp that keeps me under $500 Amp + sub? ...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138709544 added 07-11-2020 7:13 PM by DouglasBaker in Deal Talk
I was quoting the fact that a) this isn't easy, b) just grabbing any old box is a bad choice, and c) that math is required. Ports need to be the right length, T-S parameters need to be contemplated...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138877832 added 07-17-2020 11:11 PM by BlammaJamma in Deal Talk
I went with the 18 ultimax with the. Crown 1002 and will be running at dual channel 2 ohm. Ima bust out all the tools I already own and make a full integrated enclosure based on the ported specs...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138675137 added 07-10-2020 10:17 AM by ncs999us in Deal Talk
Where can I find other items kits to build subwoofer out of this?what else I would need
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138675242 added 07-10-2020 10:20 AM by swechsler in Deal Talk
How hard is what? Building a box from scratch or building a precut one? How are your woodworking skills?
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138675272 added 07-10-2020 10:21 AM by swechsler in Deal Talk
@FairNarwhal8056, what's the best price you've seen for these? How often does it happen?
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138677972 added 07-10-2020 11:58 AM by duronboy in Deal Talk
I get what you're saying, but well that's a bit much saying it's throwing away money. The beauty of DIY is there's no "correct performance" involved. It's whatever you want. Do you want more...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138679262 added 07-10-2020 12:47 PM by mrnix in Deal Talk
Exactly. How about cars that have enough power to drive faster than the speed limit. I guess we should outlaw those, too. Side note, what's a good amp to power one of these if I did a DIY home...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138679649 added 07-10-2020 1:01 PM by sollyemmy in Deal Talk
I understand what everyone is trying to tell us, it's a rabbit hole and the deeper I get into it the difficult it will be. I was looking into a ported one using 18" but I am not a DIYer but...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138697178 added 07-11-2020 8:27 AM by DouglasBaker in Deal Talk
I'm well aware - I make furniture. They still aren't sealed as tightly as required in all places
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138698705 added 07-11-2020 9:53 AM by tofu. in Deal Talk
You build furniture, but buy prefab MDF cubes?
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138735617 added 07-12-2020 10:45 PM by Masejoer in Deal Talk
Sure it's not 115dB at 6Hz (THX levels at higher frequencies than this); that would require many more drivers, or a tiny room - but yeah, Dual UM18 sounds great. Of course many other 18's could...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #139004144 added 07-22-2020 8:18 PM by BlammaJamma in Deal Talk
Speaker and sealed, knock down,cabinet combo back in stock. $426.49 https://www.parts-express.com/dayton-audio-18-ultimax-subwoofer-and-cabinet-bundle--300-7099 Of course, there is other odds...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138675680 added 07-10-2020 10:36 AM by Masejoer in Deal Talk
Great subs. I have two of these, powered by rack mount amps. Flat down to 6Hz with acoustic coupling and room gain. It took over a decade to realize that strong subs capable of being driven to under...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138675920 added 07-10-2020 10:45 AM by Cha4me in Deal Talk
If you get the pre cut mdf knock down box, it's pretty easy. All you need is wood glue and like 6 bar clamps. Other than that you need to drill a hole for a speakon connector or binding post. You...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138675950 added 07-10-2020 10:46 AM by sollyemmy in Deal Talk
If I get a precut box, what else do I need to finish a subwoofer to use in a home theater? My wood working skills include owning a circular saw and a hand drill which are collecting dust as they are...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138676013 added 07-10-2020 10:48 AM by Cha4me in Deal Talk
For the pre cut MDF, all that is needed is wood glue and bar clamps. Then you need an external amp to power it. If you wanted to do a plate amp built into the cabinet, you would probably need a...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138678620 added 07-10-2020 12:22 PM by DrSounds in Deal Talk
Dayton makes some good shit
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138679001 added 07-10-2020 12:38 PM by swechsler in Deal Talk
You do realize this is for the home, not the car, right?
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138700070 added 07-11-2020 11:13 AM by Cha4me in Deal Talk
Get the NX3000D which has a built in DSP so you can EQ. Only downside of the behringer amps is the fan noise since it's more for commercial use and to be placed in a media rack, but that can be...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138718505 added 07-12-2020 8:27 AM by OrangeWheelAndDeal in Deal Talk
Parts Express still has some coupons though. I got $50 off my purchase of two of these.
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138825089 added 07-16-2020 12:04 AM by ksorkin31 in Deal Talk
Plenty of GSG Audio related images here: ...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138669182 added 07-10-2020 6:05 AM by OrangeWheelAndDeal in Deal Talk
On sale for $288. Not the best price ever on these, but worth mentioning. With additional coupons you can get another $25 off, just google it. Usual price is $324. ...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138675131 added 07-10-2020 10:17 AM by Boss93 in Deal Talk
How hard is this to diy for first timers
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138685700 added 07-10-2020 4:56 PM by ducki3 in Deal Talk
yeah they are great specially for the price! However I am on concrete and open floor plan so i really need that many, lol! I actually haven't used all 26 yet since the 4 are supposed to be for the HB...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138690221 added 07-10-2020 8:36 PM by oslouie1 in Deal Talk
This...do not buy a prefab unless it meets the recommended specs. I've put crappy subs in the right boxes and they sound much better than a great sub in a box that was too big or small.
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138696203 added 07-11-2020 7:20 AM by slhtonz in Deal Talk
Thanks! I don’t really have the room for a giant ported box so it’s been a long internal debate whether putting this monster in a sealed box would leave too much on the table. Your setup sounds like...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138700247 added 07-11-2020 11:23 AM by ducki3 in Deal Talk
First you agree and think his post was smart and that buying pre-cut boxes is a waste of money then you agree with me that building from scratch is even harder. Which is it? Also, I haven't used...
Dayton Audio UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil = $288
Expired
Thread created 07-10-2020 by FairNarwhal8056
+27 Score 94 Replies 15,514 Views
Post #138700451 added 07-11-2020 11:33 AM by robr in Deal Talk
If you're going to build your own enclosure I'd recommend reading the loudspeaker design cookbook. Using thiele/small parameters specific to this driver you can design an appropriate enclosure,...
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