UM 15 vs HO15 or even 18 - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 26 Old 10-25-2018, 11:29 AM - Thread Starter
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UM 15 vs HO15 or even 18

I am looking to build a Marty micro and would like to know if it's worth it to go to the Ultimax 15 over the traditional HO version? I would rather purchase the right speaker from the get go because replacing/upgrading from a Micro to say a full Marty is more cost effective than replacing the speaker. I am planning to build 2 Micros, and I have 3 rooms I can place them in. One room is optimal but the smallest space(about 1000^ft). The other 2 areas are open with one having 3 sides of wall(~1500^ ft) and the other being more of an open floor plan with the main seating area being around (~2500^ft) not including the kitchen area.

I plan on buying the NX6000D when it releases because I only want to buy once...but if it's not necessary, please chime in on it. I have an Aventage 1050b with Klipsch RP(revision lineup) as my LCR. I probably build my own LCR if I dont keep the Klipsch. A bit of a ramble but...should I get the Ultimax or not? Can the micro fit the 18? I've searched but cant find a definitive answer. I'm not a real bass head but I appreciate a good thing.
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post #2 of 26 Old 10-25-2018, 03:06 PM
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The micro is too small for an 18. If you aren't sure what you want, build a sealed UM18. Then if it is lacking in a certain area, you know which direction to head for the next enclosure. Or build a Marty cube if you have room. Then you can plug the ports if you want to try sealed.
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post #3 of 26 Old 10-25-2018, 04:16 PM - Thread Starter
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The micro is too small for an 18. If you aren't sure what you want, build a sealed UM18. Then if it is lacking in a certain area, you know which direction to head for the next enclosure. Or build a Marty cube if you have room. Then you can plug the ports if you want to try sealed.
I will probably build one in a cube but later on down the road. I just hate the fact that while information is very abundant on this forum, a lot of it is old and deciphering through it all can be overwhelming. If there are any owners of the Cube/Micro can you all chime in on how your experience is without all the graphs and stuff as I have yet to dive into that side to fully understand what it is saying.
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post #4 of 26 Old 10-26-2018, 05:57 PM
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I had an SB2000 and a PC2000. Then I built a micro, it was great. Then I built a cube, it was even greater.

Right now I'm building sealed 18's though because the cube is just too big for my living room.

I had the same problem about sifting through the massive amount of information on here. Decided to just start building and see where it leads me.
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post #5 of 26 Old 10-31-2018, 12:14 PM - Thread Starter
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I already have 1 sub...the 15in HO. I had originally planned on 2 HO 15s because I was building 2 Marty Micros. I foolheartedly let my dad convince me to go with 15s instead of the 18. Due to budget constraints I kinda settled on the 15 but I am now reconsidering my decision. Should I just go back to the 1 UM 18 or stay with 2 HO 15s.
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post #6 of 26 Old 10-31-2018, 05:14 PM
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Depends on how much bass you want.

1 UM-18 is definitely better than 1 HO-15.
and 2 UM-18's on the nx is even better...
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post #7 of 26 Old 10-31-2018, 07:21 PM - Thread Starter
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Depends on how much bass you want.

1 UM-18 is definitely better than 1 HO-15.
and 2 UM-18's on the nx is even better...
What about a 1 and 1? or the 1 UM vs 2 HO-15?
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post #8 of 26 Old 10-31-2018, 07:46 PM
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what do you want to use the sub for?

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post #9 of 26 Old 10-31-2018, 07:57 PM - Thread Starter
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what do you want to use the sub for?
It would be for movies, some music but i'd say just about 90% movie watching. Going in either 1500^ft or ~2500^ft room. I think I'll pair them up with either the HTM 10 or 8s.
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post #10 of 26 Old 11-01-2018, 06:56 AM
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two marty cubes or similar size/tuning cabs with 390ho's would be a great start. performance would be roughly the same as a pb13u, but with better upper bass response.

two subs is almost always better for room response than one sub.

later on, if you need more bass and you may not, the system could be upgraded with more 390's or integrated with 460ho or um18 no problem.
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post #11 of 26 Old 11-01-2018, 07:37 AM - Thread Starter
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two marty cubes or similar size/tuning cabs with 390ho's would be a great start. performance would be roughly the same as a pb13u, but with better upper bass response.

two subs is almost always better for room response than one sub.

later on, if you need more bass and you may not, the system could be upgraded with more 390's or integrated with 460ho or um18 no problem.
Thanks for that reply... I'm at my local HD, I'm going to build another box to have put down.
Can a 18UM work in a Marty cube? Or should I go with a mini? And im going to also assume that it would be in my best interest to get the nx6000d over the 3000d then as well?
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post #12 of 26 Old 11-01-2018, 07:55 AM
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Thanks for that reply... I'm at my local HD, I'm going to build another box to have put down.
Can a 18UM work in a Marty cube? Or should I go with a mini? And im going to also assume that it would be in my best interest to get the nx6000d over the 3000d then as well?
The Ultimax can work in a Marty cube(it's been done).I don't think you would want to try a smaller enclosure.The 460HO is meant to go in a smaller box than the Ultimax.The 6000 would be a better choice if you think there is a possibility of adding another sub.
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post #13 of 26 Old 11-01-2018, 07:58 AM - Thread Starter
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Thanks for that reply... I'm at my local HD, I'm going to build another box to have put down.
Can a 18UM work in a Marty cube? Or should I go with a mini? And im going to also assume that it would be in my best interest to get the nx6000d over the 3000d then as well?
The Ultimax can work in a Marty cube(it's been done).I don't think you would want to try a smaller enclosure.The 460HO is meant to go in a smaller box than the Ultimax.The 6000 would be a better choice if you think there is a possibility of adding another sub.
with space not an issue nor the waf, which should I go with a cube or a mini? Or even a Johnny?
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post #14 of 26 Old 11-01-2018, 08:21 AM
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If space is not an issue go with a larger box. If you do decide on the UM18 it makes good use of box displacement. 20 3ft 14hz tune for movies will put a smile on your face .



https://www.avsforum.com/forum/155-d...ng-almost.html
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post #15 of 26 Old 11-01-2018, 08:34 AM - Thread Starter
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If space is not an issue go with a larger box. If you do decide on the UM18 it makes good use of box displacement. 20 3ft 14hz tune for movies will put a smile on your face [IMG class=inlineimg]/forum/images/smilies/biggrin.gif[/IMG].



https://www.avsforum.com/forum/155-d...ng-almost.html
I don't want such a large box... I'm thinking between cube, Johnny and a full Marty. I just can't decide. I'm either going um18 or the reg 18 from Dayton.
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post #16 of 26 Old 11-01-2018, 08:55 AM
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If you are contemplating the mini seriously consider moving up to the full. The sub cabinet John was kind enough to design for me has the same displacement, just a slightly higher tune and different dimensions than a full Marty. There has not been a moment where I have felt like "Man, I really wish I went with a bigger enclosure for this sub." Going with the largest non-extreme solution does offer the peace of mind and no second guessing your decision. The full Marty is about the biggest thing that is semi-portable.
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post #17 of 26 Old 11-01-2018, 09:40 AM
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I don't want such a large box... I'm thinking between cube, Johnny and a full Marty. I just can't decide. I'm either going um18 or the reg 18 from Dayton.
if you are contemplating the larger boxes then go with the UM18 over the HO.


More extension(xmax), higher power handling and better SPL on the lower tuning makes it a no brainer IMO.
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post #18 of 26 Old 11-01-2018, 09:42 AM - Thread Starter
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If you are contemplating the mini seriously consider moving up to the full. The sub cabinet John was kind enough to design for me has the same displacement, just a slightly higher tune and different dimensions than a full Marty. There has not been a moment where I have felt like "Man, I really wish I went with a bigger enclosure for this sub." Going with the largest non-extreme solution does offer the peace of mind and no second guessing your decision. The full Marty is about the biggest thing that is semi-portable.
Thanks, I went with a Johnny sub, so as of right now I'll have 2 cubes and a Johnny. I think I did well jumping into this rabbit hole. I just have to do a little more research on if I should put an UM18 or the HO. From what I've read so far there's not too much difference between the two, so im not so sure it'll be worth it to go with the UM


Edit: @Trimlock is the difference that noticeable?
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post #19 of 26 Old 11-01-2018, 09:47 AM
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Thanks, I went with a Johnny sub, so as of right now I'll have 2 cubes and a Johnny. I think I did well jumping into this rabbit hole. I just have to do a little more research on if I should put an UM18 or the HO. From what I've read so far there's not too much difference between the two, so im not so sure it'll be worth it to go with the UM


Edit: @Trimlock is the difference that noticeable?
The power handling and extension ... yes, ESPECIALLY in bigger boxes where you will want/need additional cone travel.


Plus the UM18 has the coolest looking cone on any subwoofer.
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post #20 of 26 Old 11-01-2018, 10:28 AM - Thread Starter
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Thanks, I went with a Johnny sub, so as of right now I'll have 2 cubes and a Johnny. I think I did well jumping into this rabbit hole. I just have to do a little more research on if I should put an UM18 or the HO. From what I've read so far there's not too much difference between the two, so im not so sure it'll be worth it to go with the UM


Edit: @Trimlock is the difference that noticeable?
The power handling and extension ... yes, ESPECIALLY in bigger boxes where you will want/need additional cone travel.


Plus the UM18 has the coolest looking cone on any subwoofer.
I love the look of the UM for sure. I have to watch my spending cause I'll surely go overboard quickly, plus ive got home Reno going on. I figured I'll want to try an 18" because that was my initial plan until I listened to my old man.
I guess I'll have heard start by doing the box now.
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post #21 of 26 Old 11-01-2018, 10:40 AM
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I love the look of the UM for sure. I have to watch my spending cause I'll surely go overboard quickly, plus ive got home Reno going on. I figured I'll want to try an 18" because that was my initial plan until I listened to my old man.
I guess I'll have heard start by doing the box now.
Well theres a mere $25 difference between the two.


To me that's a no brainer, but if the $25 is a big difference to you then I mean no offense.
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post #22 of 26 Old 11-01-2018, 10:48 AM - Thread Starter
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I love the look of the UM for sure. I have to watch my spending cause I'll surely go overboard quickly, plus ive got home Reno going on. I figured I'll want to try an 18" because that was my initial plan until I listened to my old man.
I guess I'll have heard start by doing the box now.
Well theres a mere $25 difference between the two.


To me that's a no brainer, but if the $25 is a big difference to you then I mean no offense.
I have not looked at the price for any 18 yet. If that is the case then for sure it's a no brainer. I'm not buying twice so it would be the obvious decision. I was just referring to my overall DIY build, I've yet to order my htm speakers yet. I'm not certain if I'm going for the 10s 12s or 8s, and I need a whole front stage.
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post #23 of 26 Old 11-01-2018, 12:05 PM - Thread Starter
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I've done gone mad, not only will I'll be building a Johnny sub and 2 micros... I was given an extra MDF sheet so I did what any logical nut would...?

You guessed another sub box, this time I had the dimensions cut for a cube. I can't believe my addiction already.
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post #24 of 26 Old 11-01-2018, 03:02 PM
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It looks like the Ultimax is on backorder again.The FI HT1 is supposed to be a great option.I'm going to look in that direction when the time comes. The bigger box idea sounds good.
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post #25 of 26 Old 11-01-2018, 03:54 PM - Thread Starter
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It looks like the Ultimax is on backorder again.The FI HT1 is supposed to be a great option.I'm going to look in that direction when the time comes. The bigger box idea sounds good.
I'm in no rush, I'll wait. I will say that my Johnny sub is now complete. I did I slight modification to the ports by .25 as well as the front baffle. All that is needed is the driver, some sanding and maybe some veneer application.
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post #26 of 26 Old 11-02-2018, 09:38 PM
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If space is not an issue go with a larger box. If you do decide on the UM18 it makes good use of box displacement. 20 3ft 14hz tune for movies will put a smile on your face .



https://www.avsforum.com/forum/155-d...ng-almost.html
My UM18s sealed in a 10 cu ft box put a smile on my face... until I killed. With the torture test tracks.

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