What Is Your Main Speaker Configuration? - Page 4 - AVS Forum
View Poll Results: What Is Your Main Speaker Configuration?
Soundbar 4 0.27%
Soundbar w/subwoofer 19 1.28%
2.0 31 2.10%
2.1 32 2.16%
3.1 47 3.18%
4.1 20 1.35%
5.1 622 42.06%
6.1 31 2.10%
7.1 530 35.84%
9.1 77 5.21%
11.1 26 1.76%
More than 11.1 40 2.70%
Voters: 1479. You may not vote on this poll

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Old 05-02-2014, 05:07 PM
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Quote:
Originally Posted by nx211 View Post

By not having a one-to-one relationship with speaker-to-native channel, additional surround processing schemes split the channel information to multiple speakers, thus *diluting* or weakening the total amount of information intended for just one channel/speaker.
I must be using extra strength channels, since scaling them to more speakers doesn't leave them diluted.

Sanjay
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Old 05-02-2014, 05:20 PM
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I have a 5.1 setup:

2 JBL L880s for front L/R
JBL LC1 Center
2 JBL L810s for surrounds
Rythmik LV12R sub

I'd love to have 7.2 with Klipsch RF-7s for fronts and an RC-64 center with dual LV12Rs. One day...

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Old 05-02-2014, 05:25 PM
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11.4 atm

Please Visit My 11.2 3D Home Cinema Shed http://www.readersheds.co.uk/share.cfm?SHARESHED=2744 as featured in home cinema choice magazine! Check out my blu-ray THX WOW! demo disc here
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Old 05-02-2014, 05:26 PM
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7.1 checking in. Planning to go to 11.2 when the theater build is completed.

-

"Too much is almost enough. Anything in life worth doing is worth overdoing. Moderation is for cowards."
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Old 05-02-2014, 05:39 PM
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There's always a way. biggrin.gif
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Old 05-02-2014, 05:43 PM
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Quote:
Originally Posted by Randy28211 View Post

5.1. No way to wire for any more than that. Vienna Acoustics front & center, Paradigm rears, infinite baffle sub.

There's always a way.biggrin.gif
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Old 05-02-2014, 05:53 PM
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Quote:
Originally Posted by sdurani View Post

I must be using extra strength channels, since scaling them to more speakers doesn't leave them diluted.

So what does your processor do when playing a 5.1 disc for the back 2 audio channels if it doesn't "break the channel down" / dilute it? Does it just simply replicate the LS/RS channel, adds a few ms delay for the timing and make another adjustment for speaker distance?
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Old 05-02-2014, 05:56 PM
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Quote:
Originally Posted by Peterc613 View Post

I'm set up for 14.3 channels:

14 speakers 

 


All Martin Logan

 

Front Ctr     Theater    (600w bridged)           

Front R/L     Request   (2x200w Bi-amp)                                                                     

Wide R/L     Aerius      (2x200w Bi-amp) 

Height R/L   Script      (200w)

Side R/L      Clarity     (200w)

Rear R/L      Script      (200w

Rear Ctr       Cinema   (200w)

Ceiling R/L   SLM XL   (200w)     

 

3 subs 

 


Front           Danley DTS-10

Rear R/L      Energy EPS-150*

                    *(changing to 2x Marty/UXL-18

                      with iNuke DSP-6000)    

 


Processor     

 

Marantz AV 8801        (11.2)

SMART 3CX               (Rear Ctr)

SMART 3CX               (Ceiling R/L)

Behringer DSP 1124    (DTS-10)

 


Amps

 

7 Adcom GFA 555II

1 Adcom GFA 555I

1 Adcom GFA 5503

1 QSC 4050HD

 


7 Dedicated 20 amp 
circuits
(2-subs, 5-amps, 1-source/video)

 




Even before there was surround sound I wanted more than 2 speakers. Back in the 1970's I had a pair of Quad electrostats with a DBX 3BX delay module, two Marantz integrated amps and four DCM Time Windows for a 6 channel surround system. Later on when home theater started in earnest with Dolby 5.1 I had a Lexicon CP-1 processor. Then I moved up to 7.1 channels with a Lexicon MC-1. I got my first SMART 3CX to add a center rear channel when Dolby changed from 6.1 Digital EX to 7.1 Dolby Surround. The Lexicon got replaced with an Onkyo 5509 processor with 9.1 channels (height or width) and the DSP-1124 to manage a Danley DTS-10 kit that I built. Finally I changed to the Marantz AV 8801 which had 13 discreet channels to accommodate both height and width channels plus 2 subs for 12.2 with the 3CX. 

The evolution in processors from 2.0 Dolby Stereo in 1975 to Audyssey DSX 11.1 (and now 13.1 with Datasat adding Auro 3D height channels to their next processor) over the years has always been to keep up with the movie experience available at the local commercial cinema. Many theaters are now transitioning to Dolby's Atmos or Barco's Auro 11.1 surround sound systems. Although they differ in implementation, one thing they share in common is the addition of what the Dolby and Barco engineers are calling the "VOG"  (voice of God) channels directly above the listener,  These are different from the front height channels that are mainly for localizing sound across the height of the front sound stage,  

The rows of ceiling speakers installed in cineplexes are the VOG channels that allow panned sounds to transition across the room in a much more cohesive and immersive manner. The next practical evolution is going to a 13+ codex to add the VOG channels on the ceiling. Some are planning just 2 additional R/L speakers above the listener. Still others are talking about multiple "height" channels (on the wall above the surround speakers). 

Each time I added channels things sounded better, the sound field was more enveloping, and the immersion in the movie was greatly enhanced.  We have an Arclight  theater near us with the Dolby Atmos system. The sound is spectacular and it's the only commercial theater we attend. When our theater area was remodeled they installed 1" conduit to all the surround channels including junction boxes in the ceiling for speakers directly above the listening position. I recently found another SMART 3CX and got a pair of Martin Logan Motion SLM XL's which I'm making a ceiling bracket for to add the overhead channels for the next evolution of immersive AV formats that are on the horizon. In the mean time the 3CX will create phantom ceiling channels until the real thing comes along.
Seven dedicated lines wow im about add another one in my basement tomorrow.
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Old 05-02-2014, 06:03 PM
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Quote:
Originally Posted by leevit View Post

I do 5.1 with my front speakers bi-amped- Pass on 7.1. I listen to lots of multi channel music anyway that's 5.1.
same here
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Old 05-02-2014, 06:06 PM
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Quote:
Originally Posted by nx211 View Post

So what does your processor do when playing a 5.1 disc for the back 2 audio channels if it doesn't "break the channel down" / dilute it?
It takes sounds that would normally have phantom imaged behind me and sends those to the speakers that are behind me. That's not diluting/weakening the surround channels, but strengthing them with greater imaging stability.

Sanjay
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Old 05-02-2014, 06:08 PM
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With Bw's all you need is 5.1
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Old 05-02-2014, 06:30 PM
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Quote:
Originally Posted by sdurani View Post

Quote:
Originally Posted by nx211 View Post

So what does your processor do when playing a 5.1 disc for the back 2 audio channels if it doesn't "break the channel down" / dilute it?
It takes sounds that would normally have phantom imaged behind me and sends those to the speakers that are behind me. That's not diluting/weakening the surround channels, but strengthing them with greater imaging stability.

This discussion becomes moot as we move into object based audio. An audio object has no "preferred" destination speaker before it is rendered on the chosen playback speaker configuration. So the question becomes How complex does the playback environment need to be in order to deliver the best affordable result?
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Old 05-02-2014, 07:04 PM
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Quote:
Originally Posted by SoundChex View Post

An audio object has no "preferred" destination speaker before it is rendered on the chosen playback speaker configuration.
You mean the entire soundtrack will be diluted? OMG.
Quote:
Originally Posted by SoundChex View Post

So the question becomes How complex does the playback environment need to be in order to deliver the best affordable result?
The more outputs (speakers) you have, the less you rely on phantom imaging. The less you rely on phantom imaging, the more stable your soundfield (for ALL listeners, not just the one in the sweet spot). So more would be better, but at some point you start reaching diminishing returns.

Which is why I tend to think of it from the opposite direction of what you asked. Rather than wondering how complex the playback environment needs to be, I'm wondering how simple a set-up can you get away with and still hear the benefits of an object-based soundtrack.

Sanjay
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Old 05-02-2014, 07:08 PM
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7.1 here for all those Disney movies.. funny how they can all no matter how silly have 7.1 but a movie like Gravity can only have 5.1..


LG 55LW5600
Onkyo TX-NR818
Sony BDP-S570 Blu-Ray, Toshiba HD-D3KU HD-DVD
Bowers & Wilkins 683B s1
Bowers & Wilkins HTM61 s1
Polk F/XiA4 (Surrounds)
Paradigm Titan v3 (Back Surrounds)

Sewell 12ga terminated wiring
Klipsch Sub 12

Logitech 520

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Old 05-02-2014, 07:23 PM
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11.2,  when I got the Denon 4520 with the DTS 11.x, I had been using my receiver as a prepro and powered the main 5 channels with a Cinepro amp, I now use the internal amps of the denon for the back surrounds, wides and heights.  I have the heights on the ceiling at about a 45 degree angle to the seated position and actually run them a little hotter than Audyssey calibrated them. Even still only on a few of the big action/scifi movies with fly overs, explosions, bullets/missles do I actually 'hear' them.  The wides are more appreciated in filling in the front to side surround pans. 

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Old 05-02-2014, 07:25 PM
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Quote:
Originally Posted by sdurani View Post

Which is why I tend to think of it from the opposite direction of what you asked. Rather than wondering how complex the playback environment needs to be, I'm wondering how simple a set-up can you get away with and still hear the benefits of an object-based soundtrack.

My interpretation of current research, e.g., as presented|summarized in Report ITU- R BS.2159-6 (01/2014) Multichannel sound technology in home and broadcasting applications is that you can get over 85% of the playback quality achievable with 20+ speakers, by using only 10 or 11 "well placed" . . . and for probably only about 3% the cost of of a system using the larger speaker configuration. This suggests that for all but the most "extreme audiophile", an approx 7.x through 11.x speaker setup should always be enough...
_
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Old 05-02-2014, 07:28 PM
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7.2 photos in my signature

Mikes Stuff
McIntosh MC207 Amps.........................DarbyVision Darblet
Marantz AV8801 Processor.................Da-Lite Screen
Klipsch Reference Series 7.2................Panasonic BluRay BDT500
Epson Pro 6010 Projector.....................Sony Playstation used for SACD and BluRay
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Old 05-02-2014, 08:16 PM
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9.2 for me. Def tech all around front height for me as well. my house was prewired with the 2 rear channels at about 9ft high. I hated the idea at first, but they ended up sounding amazing. Intensifies environmental effects and especially war movies( Lone Survivor was incredible)
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Old 05-02-2014, 09:13 PM
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Quote:
Originally Posted by Chise View Post


Seven dedicated lines wow im about add another one in my basement tomorrow.

 

The ADCOM GFA-555 II is among the world's greatest audio power amplifiers of all time. It was designed by the legendary Nelson Pass, whose amplifiers today sell new for five figure price tags. Considering that you can get a used GFA-555 II for about $350, I doubt there's a better bargain for high-end amplification. Its performance is exemplary and even after 25 years, most will still be in working condition. A new power supply costs about $180 from United Chemi-Con and you can also update the caps/transistors for about $200.  Mine are heavily modified with BlackGate & Muse.

While only rated for 200 watts per channel into 8 Ω, this 20-year old veteran easily put out 260 watts from each channel simultaneously at only 0.007% THD into 8 Ω. ADCOM actually rated it as able to drive 2 Ω loads. Measured with tone bursts, it easily put out an undistorted 370 watts per channel into 8 Ω. This amplifier makes as much power as you can get from a linear audio amplifier from standard 120 VAC 15 Amp wall socket. 

The QSC 4050HD gets it’s own dedicated 20 amp line to drive the DTS-10. The eight GFA 555II’s are paired up on four 20 amp circuits, The GFA 5503 and rear subs are on one 20 amp circuit. The source and video equipment get their own 20 amp line.  All seven lines have their own dedicated common and are wired to the same phase at the main panel.

 

GFA 555II - Rated Power Output

2 x 200 watts RMS @ 8 Ω. (< 0.04% THD)

2 x 325 watts RMS @ 4 Ω. (< 0.04% THD)

600 watts RMS @ 8 Ω. bridged (< 0.04% THD)

850 watts RMS @ 4 Ω. bridged (< 0.04% THD)

 

GFA 555II - Power Input

675 VA @ 200 watts into 8 Ω.

1,500 VA maximum.

 

GFA 5503 -  Power Output

3 x 200 watts RMS @ 8 Ω. (< 0.18% THD)

3 x 350 watts RMS @ 4 Ω. (< 0.18% THD)

 

GFA-5503 - Power Input 

855 VA @ 200 watts into 8 Ω

1440 VA maximum

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Old 05-02-2014, 09:17 PM
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I have an 8.3 set up. So I voted 9.1 and Wides made an amazing difference.



m

8.3 Surround, protected by APC H15 & UPS BC750G
Speakers: SpeakerCraft: 6 AIM8 Fives & 2 TIME Fives used as Wides
Woofers: SVS PB13-Ultra (1), HSU MBM-12 MK2 (2)
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Old 05-02-2014, 09:28 PM
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QSC 4060 HD - Rated Power Output

2 x 850 watts RMS @ 8 Ω. (< 0.1% THD)

2 x 1400 watts RMS @ 4 Ω. (< 0.1% THD)

2 x 2000 watts RMS @ 4 Ω. (< 0.1% THD)2
 

2800 watts RMS @ 8 Ω. bridged (< 0.1% THD)

3000 watts RMS @ 4 Ω. bridged (< 0.1% THD)

 

GFA 555II - Power Input

1,500 VA maximum.

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Old 05-02-2014, 09:38 PM
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Quote:
Originally Posted by SoundChex View Post

My interpretation of current research, e.g., as presented|summarized in Report ITU- R BS.2159-6 (01/2014) Multichannel sound technology in home and broadcasting applications is that you can get over 85% of the playback quality achievable with 20+ speakers, by using only 10 or 11 "well placed" . . . and for probably only about 3% the cost of of a system using the larger speaker configuration.
That's the kind of value proposition that consumers will be looking at as object-based audio rolls out. It won't be "how do I fit 20 speakers in my room" but more like "how many speakers do I really need to make it sound like I have 20 speakers in my room".

Sanjay
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Old 05-03-2014, 12:38 AM
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I'm wired for 30.4 or 18.16, or any combination there of.
I'm limited mostly by today's DAC's / chipsets than anything else.

But currently I have a TRUE 7.4 at the moment; with 16 subs.

Left (5hz to 20khz)
Right (5hz to 20khz)
Center (5hz to 20khz)
Sides (80hz to 20khz)
Rears (80hz to 20khz)
LFE (5hz to 120hz)

Stereo subs, side subs, rear subs, and LFE subs.

I currently have 34,000watts, but I'm looking to upgrade to 76 to 90,000watts (mostly for bass purposes).









It goes loud (if you want it to), so loud I had to buy a TermLab to find out.

(Note: I chickened out after 140db. Too much for me man, and the cops also concurred with that assessment... if you know what I mean. wink.gif)

and it's flat to 4.5hz @ -3db



Anyways I'll keep at it, always a work-in-progress it seems...
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Old 05-03-2014, 04:44 AM
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Quote:
Originally Posted by Peterc613 View Post

 



The ADCOM GFA-555 II is among the world's greatest audio power amplifiers of all time. It was designed by the legendary Nelson Pass, whose amplifiers today sell new for five figure price tags. Considering that you can get a used GFA-555 II for about $350, I doubt there's a better bargain for high-end amplification. Its performance is exemplary and even after 25 years, most will still be in working condition. A new power supply costs about $180 from United Chemi-Con and you can also update the caps/transistors for about $200.  Mine are heavily modified with BlackGate & Muse.



While only rated for 200 watts per channel into 8 Ω, this 20-year old veteran easily put out 260 watts from each channel simultaneously at only 0.007% THD into 8 Ω. ADCOM actually rated it as able to drive 2 Ω loads. Measured with tone bursts, it easily put out an undistorted 370 watts per channel into 8 Ω. This amplifier makes as much power as you can get from a linear audio amplifier from standard 120 VAC 15 Amp wall socket. 



The QSC 4050HD gets it’s own dedicated 20 amp line to drive the DTS-10. The eight GFA 555II’s are paired up on four 20 amp circuits, The GFA 5503 and rear subs are on one 20 amp circuit. The source and video equipment get their own 20 amp line.  All seven lines have their own dedicated common and are wired to the same phase at the main panel.



 



GFA 555II - Rated Power Output



2 x 200 watts RMS @ 8 Ω. (< 0.04% THD)



2 x 325 watts RMS @ 4 Ω. (< 0.04% THD)



600 watts RMS @ 8 Ω. bridged (< 0.04% THD)



850 watts RMS @ 4 Ω. bridged (< 0.04% THD)



 



GFA 555II - Power Input



675 VA @ 200 watts into 8 Ω.



1,500 VA maximum.



 



GFA 5503 -  Power Output



3 x 200 watts RMS @ 8 Ω. (< 0.18% THD)



3 x 350 watts RMS @ 4 Ω. (< 0.18% THD)



 



GFA-5503 - Power Input 



855 VA @ 200 watts into 8 Ω



1440 VA maximum


I'm using Furatech's gound outlets in my basement and Hubbell ones in my bedroom..
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Old 05-03-2014, 06:51 AM
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7.2 with Polk and Klpsch subs .
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Old 05-03-2014, 08:06 AM
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11.2 Atlantic Technology

check my setup here

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Old 05-03-2014, 09:34 AM
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5.1 Def. Tech./Denon
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Old 05-03-2014, 09:39 AM
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Quote:
Originally Posted by BassThatHz View Post

I'm wired for 30.4 or 18.16, or any combination there of.
I'm limited mostly by today's DAC's / chipsets than anything else.

But currently I have a TRUE 7.4 at the moment; with 16 subs.

Left (5hz to 20khz)
Right (5hz to 20khz)
Center (5hz to 20khz)
Sides (80hz to 20khz)
Rears (80hz to 20khz)
LFE (5hz to 120hz)

Stereo subs, side subs, rear subs, and LFE subs.

I currently have 34,000watts, but I'm looking to upgrade to 76 to 90,000watts (mostly for bass purposes).









It goes loud (if you want it to), so loud I had to buy a TermLab to find out.

(Note: I chickened out after 140db. Too much for me man, and the cops also concurred with that assessment... if you know what I mean. wink.gif)

and it's flat to 4.5hz @ -3db



Anyways I'll keep at it, always a work-in-progress it seems...
That is sick! It must feel like your chest is going to collapse!
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Old 05-03-2014, 09:53 AM
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Quote:
Originally Posted by BassThatHz View Post

I'm wired for 30.4 or 18.16, or any combination there of.
I'm limited mostly by today's DAC's / chipsets than anything else.

But currently I have a TRUE 7.4 at the moment; with 16 subs.

Left (5hz to 20khz)
Right (5hz to 20khz)
Center (5hz to 20khz)
Sides (80hz to 20khz)
Rears (80hz to 20khz)
LFE (5hz to 120hz)

Stereo subs, side subs, rear subs, and LFE subs.

I currently have 34,000watts, but I'm looking to upgrade to 76 to 90,000watts (mostly for bass purposes).









It goes loud (if you want it to), so loud I had to buy a TermLab to find out.

(Note: I chickened out after 140db. Too much for me man, and the cops also concurred with that assessment... if you know what I mean. wink.gif)

and it's flat to 4.5hz @ -3db



Anyways I'll keep at it, always a work-in-progress it seems...

That is a seriously awesome setup and room response ... great job. I just finished building my first DIY subwoofer set with 8 dayton ultimax 15" drivers. It is phenomenally powerful.

I am really liking your towers and center though and I would love to know which kits if any you used to build those. They look like dayton drivers couple with SEOS waveguides? correct me if I'm wrong.

Replicating my center in particular may be my next hobby job. I have a feeling a horn loaded center like yours will mate nicely with my main speakers which are Avantgarde horns.

Blazar!
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Old 05-03-2014, 09:55 AM
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I would also add that those B&W speakers compared to your DIY units are a total joke...

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