The Dawg Crusher Killer

mike c

mike c

Audioholic Warlord
last i checked:

sealed = room gain needed.

big room = no room gain.

sealed to work in big room = many.
 
ParadigmDawg

ParadigmDawg

Audioholic Overlord
Yep, she's seen them. Said it looks just like that ugly box I had in there before and asked why the corners are not rounded.
Has she not seen the color choices that are available....



 
ParadigmDawg

ParadigmDawg

Audioholic Overlord
I guess I can agree but I have always used a sealed sub in here. The only ported sub I used was returned shortly after I got it as the sealed sounded better to me.

Remind me why you disliked the ED.
last i checked:

sealed = room gain needed.

big room = no room gain.

sealed to work in big room = many.
 
mike c

mike c

Audioholic Warlord
I guess I can agree but I have always used a sealed sub in here. The only ported sub I used was returned shortly after I got it as the sealed sounded better to me.

Remind me why you disliked the ED.
bad quality driver for one.

customer service that passed the buck.

basically emotiva x 1000. ;)
 
Stereodude

Stereodude

Senior Audioholic
last i checked:

sealed = room gain needed.

big room = no room gain.

sealed to work in big room = many.
Nearly all rooms have room gain. Even big open rooms.

Here's an example of a sealed 15" sub measured nearfield: (Focus on the green trace in this graph / ignore the red trace)



Here's what the green trace sub does in room with and without EQ (Note, the EQ does not boost the low end):



The room this subwoofer is in is completely open to the entire 2300+ft^2 house, and it's not a small door sized opening either. An entire 9 foot tall side wall is missing.

There clearly is noticeable and measurable room gain.
 
mike c

mike c

Audioholic Warlord
yes, all rooms have room gain.

how much of it you have to be effective in helping your sealed sub is the question.

you are lucky to have such a room, my 4k cubic sealed room (boarded up windows) can't support a sealed sub, what the sub can do is what i get.

you could say i have the exceptional room, but i could say the same about yours.

i believe you can compute for the exact room gain with your room dimensions.

also, try measuring FR again at a higher SPL. say, 100db.
(on your second graph, how far is the mic from the sub?) i prefer measuring at the listening position.
 
its phillip

its phillip

Audioholic Ninja
I really think that 2 submersives are the ticket, just having trouble with the wife on the looks of them.

"You are not putting 2 of those 80's looking big, ugly, black boxes in the living room".

I man actually have to pull my balls out the drawer on this one....
I think they're great looking. I'll trade places with your wife.
 
MidnightSensi

MidnightSensi

Audioholic Samurai
yes, all rooms have room gain.

how much of it you have to be effective in helping your sealed sub is the question.

you are lucky to have such a room, my 4k cubic sealed room (boarded up windows) can't support a sealed sub, what the sub can do is what i get.

you could say i have the exceptional room, but i could say the same about yours.

i believe you can compute for the exact room gain with your room dimensions.

also, try measuring FR again at a higher SPL. say, 100db.
(on your second graph, how far is the mic from the sub?) i prefer measuring at the listening position.
Efficiency and power handling is really more of the issue than room gain.

Sealed boxes are still per cubic foot an effective ways to fill a home with bass, especially with the drivers out now days, but the problem is it takes so many of them that it gets expensive. Horns are often cost effective, and certainly amplifier power efficient, but are often big. Ported boxes are often tuned really low and become huge, making it questionable between a horn versus ported box tuned low enough for movies. Per cubic foot, the horns usually win because of their edge on efficiency. That's where my recommendation of a horn came from.

Really there isn't anything perfect out there. You just kinda weigh the ups with the downs. There isn't anything out there that really defies physics.
 
Warpdrv

Warpdrv

Audioholic Ninja
sawzalot

sawzalot

Audioholic Samurai
Originally Posted by ParadigmDawg View Post
I really think that 2 submersives are the ticket, just having trouble with the wife on the looks of them.

"You are not putting 2 of those 80's looking big, ugly, black boxes in the living room".

( I may actually have to pull my balls out the drawer on this one....)

I think they're great looking. I'll trade places with your wife.
I was just wondering, why are you looking at P Dawg's balls, and do you say that to all the guy's, lol..

nttawwt, I guess, lol.
 
its phillip

its phillip

Audioholic Ninja
Only the ones with big subs to go along with other unmentionables :)
 
ParadigmDawg

ParadigmDawg

Audioholic Overlord
She said you never called.

I am still at a loss here.

I was pushing for the Seaton but not a lot of luck getting responses from them. I also hate waiting for over a month as it gets built.

I like the AE stuff but reading their forums scares me and it is going back to pretty much DIY. Also could be a long build.

I almost just want to order a couple of SVS's in piano gloss and be done with it.

I also kind of want to just drive down the block, grab a couple of Paradigm Sub15's and have them playing an hour from now.
I'll be there :)
 
Chopin_Guy

Chopin_Guy

Senior Audioholic
It's though with the amount of good choices you have out there right now -- but we know how much it stinks having to wait on a product after shelling out the $$$. Knowing you have always had and liked sealed designs makes things even more tricky in your space without not going the DIY route again.

If you are not afraid of trying something new, I think two PB13 Ultra's would be quite impressive in your space and I was very suprised by the sound quality given the ported design while I had mine...you would even have headroom to use a lower tuning like the 16hz tune with one port plug in...

As for the Sub15's I have heard one in a demo room and it is a very musical and accurate sub but two of those would not have the output and guts you are looking for in your room. IMO you would have to look at dual Sub25's for your space and then you are talking a whole other league in terms of $$$.

If you really don't want to go back the route of DIY you might want to give the dual Ultras a shot as they are the least expensive (you will get the additional discount for ordering duals) and are such a proven product...That's my $.02
 
ParadigmDawg

ParadigmDawg

Audioholic Overlord
I tell you what, I am impressed that the Vice President / Chief Operating Officer of SVS returns my emails within minutes.

He says I just need 4 Ultras for my room but 2 would be a good start.:D
It's though with the amount of good choices you have out there right now -- but we know how much it stinks having to wait on a product after shelling out the $$$. Knowing you have always had and liked sealed designs makes things even more tricky in your space without not going the DIY route again.

If you are not afraid of trying something new, I think two PB13 Ultra's would be quite impressive in your space and I was very suprised by the sound quality given the ported design while I had mine...you would even have headroom to use a lower tuning like the 16hz tune with one port plug in...

As for the Sub15's I have heard one in a demo room and it is a very musical and accurate sub but two of those would not have the output and guts you are looking for in your room. IMO you would have to look at dual Sub25's for your space and then you are talking a whole other league in terms of $$$.

If you really don't want to go back the route of DIY you might want to give the dual Ultras a shot as they are the least expensive (you will get the additional discount for ordering duals) and are such a proven product...That's my $.02
 
Warpdrv

Warpdrv

Audioholic Ninja
I tell you what, I am impressed that the Vice President / Chief Operating Officer of SVS returns my emails within minutes.

He says I just need 4 Ultras for my room but 2 would be a good start.:D

Well 2 of them would be a great start, adding a 3rd down the line would be another excellent step forward.... You actually might be quite happy with them...
No question that they have held their mark on the market... they are just downright great products....
 
J

jostenmeat

Audioholic Spartan
Hey PD, I'd bet that there is no way it's happening, but just to make sure we cover as many possibilities as possible . . . what about Danley tapped horns? Yeah, they're big, but maaaybe shallow enough where you could put it right against the front wall, behind the TV pulling your rack out 11 inches. I think that's how deep rmk's TH-SPUDs are. Of course, he uses them as a riser, which I highly doubt you guys would go for. Anyways, I'm pretty sure they can do any finish for you, maybe send/tell them what your paint is or something. Of course, this is for the output route. The one I will have is 16" deep, but I figure you would want the shallowest possible, with a TH.

Or just get the SVS. Just know that they are a lot bigger than the JL, almost exactly twice the volume.
 

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