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Obtuse1
Wofford Fan
The Diversion
Member since Sep 2016
4270 posts

re: New Subwoofer - Onkyo tx-nr676
quote:

Oh shite. My house has wood frame single pane windows. I'm not gonna bust them or make them dance am I? Lol.


I have never seen a house window shatter, not no ability to pressurize a room that much, or be in it if you could. I have seen larger single pane windows at my houses and at demos in other peoples where you could actually see waves propagating and moving across the windows. The coolest one was a guy that had his HT in the basement and a few of us were upstairs and he was downstairs demoing with the 7hz rotor blades in the frick Irene scene in Blackhawk Down and it was moving his kitchen table across the floor and his sliding glass doors looked like something out of the Matrix. Doing this sort of thing take 10 or more 18" subs in huge LLT boxes with 10,000+ watts, you are safe.

ETA you will find a lot of things that aren't nailed down at your house. Pictures, mirrors, things sitting on shelves and various other items will "buzz" at certain frequencies.
This post was edited on 12/7 at 8:38 pm


Mahootney
Florida State Fan
Lovin' My German Footprint
Member since Sep 2008
8424 posts
 Online 

re: New Subwoofer - Onkyo tx-nr676
Main room: 700 sq ft, 7700 cubic feet

Right side of room opens into another room-
Right side: 380 sq ft, 4160 cubic ft
Left side opens to kitchen -
Left side: 264 sq ft, 2900 cubic ft
Side rooms, 642 sq ft, 7060

Total= 14685 cubic ft

I’m wondering if one psa v1811 is enough.
Movies mostly.


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Chitown_Badger
Wisconsin Fan
A one drink walk from Wrigley
Member since May 2013
9811 posts

re: New Subwoofer - Onkyo tx-nr676
quote:

this. Go internet direct for subwoofer

SVS
Outlaw
HSU Research
Rythmik
etc.


This man speaks the truth. You'll be amazed at the performance you get from these places.


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Chitown_Badger
Wisconsin Fan
A one drink walk from Wrigley
Member since May 2013
9811 posts

re: New Subwoofer - Onkyo tx-nr676
quote:

Size, power, and sealed/ported box is the difference. SB = Sealed Box PB = Ported box.


Sealed will be smaller dimensions, so in situations where the WAF (wife acceptance factor) is important sealed is a good option. But I'm of the opinion that ported will always perform better.

quote:

My Klipsch sub is similar to the #1 in your list, I have no complaints it is matched with Klipsch Reference speakers.


I feel like subs are kinda like HD TVs...you don't really realize what "good" looks/sounds like until you see/hear it. A good sub will provide definition and sound levels you didn't even know were there. And you'll actually feel them, which is awesome.
This post was edited on 3/29 at 1:45 pm


Chitown_Badger
Wisconsin Fan
A one drink walk from Wrigley
Member since May 2013
9811 posts

re: New Subwoofer - Onkyo tx-nr676
quote:

my current HT build will not be finished for maybe 10 months but will have 20 18" subs powered with over 28,000 watts, all of which will be hidden.


Please post pics when done. Also, some detail on why anyone would need that much power.


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TigerWise
USA Fan
13th Ward
Member since Sep 2010
34067 posts

re: New Subwoofer - Onkyo tx-nr676
quote:

I feel like subs are kinda like HD TVs...you don't really realize what "good" looks/sounds like until you see/hear it.


Truth


Mahootney
Florida State Fan
Lovin' My German Footprint
Member since Sep 2008
8424 posts
 Online 

re: New Subwoofer - Onkyo tx-nr676
Everything I read says that 5000+ cu ft is considered "extreme" volume for a sub.
And I'm 50% above that in the main room, and more than triple that if you include the open concept rooms that connect to the main room on either side.

Just wondering if one 18" beast is enough power.


rexorotten
Missouri
Member since Oct 2013
111 posts

re: New Subwoofer - Onkyo tx-nr676
Back in about '04 I finished the basement in the house I was living in at the time. I built a theater room and chose an SVS cylinder shaped sub. I couldn't believe the power that thing had. It would hit low enough where you couldn't hear it but you could feel it. It would knock pictures off the wall. I moved and sold it a few years ago, but that thing was impressive.


Mahootney
Florida State Fan
Lovin' My German Footprint
Member since Sep 2008
8424 posts
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re: New Subwoofer - Onkyo tx-nr676
But was it open to where it was impossible to pressure the room?


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Mahootney
Florida State Fan
Lovin' My German Footprint
Member since Sep 2008
8424 posts
 Online 

re: New Subwoofer - Onkyo tx-nr676
quote:

Obtuse1

You still lurking?
Wondering if I should double the power or not?


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TigerWise
USA Fan
13th Ward
Member since Sep 2010
34067 posts

re: New Subwoofer - Onkyo tx-nr676
quote:

Just wondering if one 18" beast is enough power


You can always turn it down.


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LemmyLives
Texas
Member since Mar 2019
12 posts

re: New Subwoofer - Onkyo tx-nr676
I'm not an audiophile, but I like to rock, and know if Gin and Juice don't sound right.

I've always like Polk; after doing house installs with other brands in the 90s I always liked their construction better. I also have two Onkyos.

I've hauled around a 10" Polk (PSW10) for over a decade that's almost too much for the living room. Daughter will come down complaining that she hears things when she's trying to sleep if I don't crank the sub down (in a 5200 sq foot house, and she's on the opposite side).

In the theater, Acoustic Audio 12" that was maybe $140. Good enough to scare the kids during Jurassic Park and for me not to notice it during AC/DC Live at River Plate.

Speakers are 10000% marketing for in-wall (edit: I meant stuff that goes into rooms including subwoofers. I pay more attention to the center channel than anything else). Other than build materials and warranty, physics is physics, and the electrical measurements (responses, power, etc.) are the best measurement to start with.

Even better, if you buy a $100 sub and hate it, you can move it to the play room and buy a different brand for $140-$250 and your wife won't want to stab you.
This post was edited on 4/3 at 9:41 am


Mahootney
Florida State Fan
Lovin' My German Footprint
Member since Sep 2008
8424 posts
 Online 

re: New Subwoofer - Onkyo tx-nr676
Hmmm.
I was talked into getting the 18" because you can always turn it down. Like an F250 truck out for a stroll vs an F150 working its arse off. Because the 18" can always be turned down.

I had been considering other subs in the $1000 range (vs the 18" in the $1400 range). But given how open my living room is, some questioned whether I'd be getting much less than needed with a 12", 13" or 15" sub.
This post was edited on 4/3 at 11:02 am


Neauxla
New Orleans Saints Fan
New Orleans
Member since Feb 2008
32595 posts

re: New Subwoofer - Onkyo tx-nr676
I have a HSU VTF2-MK5 in a 15x30x 8'9" room. I like it but am going to be adding a 2nd one once I finish renovating. Room needs more bass

It's comparable to the SVS PB2000. I was going to get the PB2000, but I had built a crate table to hide my old sub and the PB2000 wouldn't fit inside of it and the HSU would.

Check out HSU. They are very comparable and slightly cheaper.
This post was edited on 4/3 at 11:59 am


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Neauxla
New Orleans Saints Fan
New Orleans
Member since Feb 2008
32595 posts

re: New Subwoofer - Onkyo tx-nr676
quote:

Hmmm.
I was talked into getting the 18" because you can always turn it down. Like an F250 truck out for a stroll vs an F150 working its arse off. Because the 18" can always be turned down.

I had been considering other subs in the $1000 range (vs the 18" in the $1400 range). But given how open my living room is, some questioned whether I'd be getting much less than needed with a 12", 13" or 15" sub.

I woulda gone w/ 2 12"s instead of 1 18"


Mahootney
Florida State Fan
Lovin' My German Footprint
Member since Sep 2008
8424 posts
 Online 

re: New Subwoofer - Onkyo tx-nr676
Or... 2 18"'s.


Neauxla
New Orleans Saints Fan
New Orleans
Member since Feb 2008
32595 posts

re: New Subwoofer - Onkyo tx-nr676
But seriously, read up on 2 Smaller subs vs 1 big sub. There are a bunch of good articles on it


Mahootney
Florida State Fan
Lovin' My German Footprint
Member since Sep 2008
8424 posts
 Online 

re: New Subwoofer - Onkyo tx-nr676
Obtuse1 posted a link to a very technical paper in this thread. It directly discusses the issue you are referring to. Essentially, there isn't a tremendous difference in the 2 vs 1 sub performance to overcome the WAF.

The largest issue for me is knowing what size to get with the amount volume both in my main room and the volume in the two large areas next to the main room.
So, without having had subs before, it's really hard for me to know what to get.
Do I need two 12's, one 18, or two 18's?
Without knowing the answer, I'm splitting the difference and going with one 18; it will be such an improvement over having nothing, that the minuscule performance difference of the dual smaller sub system won't matter to me.
Plus, I can always add another 18 in the future and make it a truly awesome home setup if I want.


Neauxla
New Orleans Saints Fan
New Orleans
Member since Feb 2008
32595 posts

re: New Subwoofer - Onkyo tx-nr676
Fair enough. I was upgrading from an old box system sub that somehow was never replaced. I didn't want 18s bc I want to hide my subs. I don't like it when subs stand out in your decor (unless it's a dedicated movie room). I do want a 2nd 12, but now I need to figure out where I can put it and have it not look bad but still be good acoustically


Mahootney
Florida State Fan
Lovin' My German Footprint
Member since Sep 2008
8424 posts
 Online 

re: New Subwoofer - Onkyo tx-nr676
That's also a good point. I've never seen an 18 in person.
Two 12's may be more agreeable to the wife.


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