Linkwitz Phoenix Stacked Woofers

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Merry Xmas all.

I have been using a single Peerless Phoenix woofer for a couple of years and find this the most musical sub I have ever heard.

In 2 weeks I am moving to a new house with a very, very large living room 17m x 6m.

I will need to add more subs to fill the space! My options are:

1. Add another sub and have them as a stereo pair.

2. Add another sub, with them both in the middle - mono.

3. Add another sub, with them both in the middle, but one firing forward, the other backwards.

4. Add 3 more subs and stack them as per the Linkwitz site. (expensive!)

Has anyone changed the configuration as per the Linkwitz stacked setup, ie, all woofers firing throught the magnet?

Obviously, the easiest way is to build another sub and play with the combinations, but has anyone already done this? I'm asking for impressions of these combinations as a guide.

Mark
 
If you are talking dipoles, then yes I have a pair of the dual driver linkwitz style subs. They are great, but because they are dipoles maximum output isn't a match for sealed subs.

I would recommend the dipoles, or stereo sealed subs using the Behringer Feedback Destroyer for room EQ.

Steve
 
In a room that size, stereo sealed subs are probably the way to go. Getting enough bass will be the problem, and you'd need about six H frames to equal the sealed pair.
However, you shouldn't have many room modes!LOL
Sealed bass will seem much faster than it does in a more modest sized room. Steve's suggestion to use the Behringer with the sealed pair makes good sense, and should sound very nice in that room.
JasonY
 
I am bringing my parents up from Melbourne to live with us, so there will be 7 poeple in the house. Living space is 301 sqm. At the auction about 60 people where inside and it was not crowded!

Its an old pre Cyclone Tracy house which was extended 4 years ago. The end of the lounge room will be sectioned off for my parents, but I will still have a room 10m long and 6m wide with a 3m bar, pool table and have room for the stereo, dining table etc.

Anyway, I still have the problem of my music not becoming thin with no body, especially the bass! I may have to start building more speakers and amps once again.

Mark
 

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IB sub? Not sure what it is.

The floor is solid concrete and the roof line slopes with the ceiling, no room exept for the insulation, so I cannot put in an in roof or below floor sub, unfortunately.

I have to work with whats there. I do have a number of floor rugs in wool and silk, and we have a lot more furniture as well, so hopefully the room will not be too bright, but with all the windows it will be brighter than the average room.

Mark
 
I built a House Wrecker a few years ago. Too much port noise.

If I build something other than an SL design, it will be a TL like the sonotubes. I tried one of these last year, but the wife said, "Get that @#$%^$# chimney out of here".

I will have to build a much better looking one!

Mark
 
Oz_Audio said:
I built a House Wrecker a few years ago. Too much port noise.

If I build something other than an SL design, it will be a TL like the sonotubes. I tried one of these last year, but the wife said, "Get that @#$%^$# chimney out of here".

I will have to build a much better looking one!

Mark

Oh yeah, I've built a couple of sonosubs based on a QW intent. They sure sound nice but I've no good suggestions on how to disquise them. Congrats on your beautiful new home. I sure do miss the South Pacific. :bawling:
 
Mark,

Damn good decision; I'm impressed with your approach - both wife and audio!

Beautiful home - love those tropical windows, and the timber.

Tiles would be a bit clangy; persian carpets might be a good idea.

Have you looked at isobaric woofers? They make a lot of spl...

Cheers,

Hugh
 
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