6 LSi9 line source...

SlowcarIX
SlowcarIX Posts: 887
edited June 2008 in Speakers
any down side...and if works, whats the best way to power the column of LSi9s?

6LSi9.jpg
my 7.(1x4) HT setup
TV - Mitsubishi WD-65734
AVP / Amp - Onkyo PR-SC885P / D-Sonic 2500-7
Front - Emerald Physics CS2
Center - JTR Triple 12LF
Surround L/R / Back - Polk RTi4 / Polk FXi A4
Sub - 4 X Hsu ULS15 playing nearfield
DVD / CDP - Sony PS3/40GB / Sony SCD-XA9000ES
Belkin PURE AV PF60 / UPS
Buttkicker

http://www.polkaudio.com/forums/showthread.php?t=60612
Post edited by SlowcarIX on
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Comments

  • Shicks18
    Shicks18 Posts: 397
    edited June 2008
    haha holy hell, whats your plan this time!
    TV: LG 55LW5600
    Pre: Marantz SR6001
    Front Amp: Parasound HCA-1000A
    Center Amp: Marantz MA500
    Mains: Polk LSi9
    Center: Polk LSiC
    Sub: HSU VTF-3 MK-2
    Games: Xbox360 and PS3
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  • hockeyboy
    hockeyboy Posts: 1,428
    edited June 2008
    Power with natural gas or coal.
    My Main Gear
    Mitsu HC5000 (Proj.)
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    LSi 15's (Front)
    LSiC (Center)
    LSiFx (Surrounds)
    DUAL SVS 20-39 CS Plus     (Passive Subs)
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    Sunfire TGA 5200 & (4) B&W 605's in the party room
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  • amulford
    amulford Posts: 5,020
    edited June 2008
    Your going to have problems with that. Line arrays work with the driver spacing calculated and equal. Your not going to have that, not to mention you don't need all those tweeters.

    You need about 2kW to drive it.

    your also going to have signal delays from the crossovers...
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  • dkg999
    dkg999 Posts: 5,647
    edited June 2008
    I would split them into 4 columns of 3 LSi9's and go retro with quadraphonic sound :p
    DKG999
    HT System: LSi9, LSiCx2, LSiFX, LSi7, SVS 20-39 PC+, B&K 507.s2 AVR, B&K Ref 125.2, Tripplite LCR-2400, Cambridge 650BD, Signal Cable PC/SC, BJC IC, Samsung 55" LED

    Music System: Magnepan 1.6QR, SVS SB12+, ARC pre, Parasound HCA1500 vertically bi-amped, Jolida CDP, Pro-Ject RM5.1SE TT, Pro-Ject TubeBox SE phono pre, SBT, PS Audio DLIII DAC
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  • Face
    Face Posts: 14,340
    edited June 2008
    What are you trying to achieve by doing this?
    "He who fights with monsters should look to it that he himself does not become a monster. And when you gaze long into an abyss the abyss also gazes into you." Friedrich Nietzsche
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  • unc2701
    unc2701 Posts: 3,587
    edited June 2008
    Terrible idea. A line array needs to be designed from the ground up, not just by stacking a bunch of monitors up.

    Amulford hits the major points, but that's just scratching the surface of why its a bad idea.
    Gallo Ref 3.1 : Bryston 4b SST : Musical fidelity CD Pre : VPI HW-19
    Gallo Ref AV, Frankengallo Ref 3, LC60i : Bryston 9b SST : Meridian 565
    Jordan JX92s : MF X-T100 : Xray v8
    Backburner:Krell KAV-300i
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  • iskandam
    iskandam Posts: 704
    edited June 2008
    why not just get a pair of AV123 LS6 Line source towers? They've been getting nothing but rave reviews. And if you really wanna take it a step further, wait for its bigger brother LS9
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  • Shizelbs
    Shizelbs Posts: 7,433
    edited June 2008
    That will only work if you do it with a seventh pair and one of those $15 T-amps.
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  • hoosier21
    hoosier21 Posts: 4,413
    edited June 2008
    I bet it would sound good, why all the nay sayers?
    Dodd - Battery Preamp
    Monarchy Audio SE100 Delux - mono power amps
    Sony DVP-NS999ES - SACD player
    ADS 1230 - Polk SDA 2B
    DIY Stereo Subwoofer towers w/(4) 12 drivers each
    Crown K1 - Subwoofer amp
    Outlaw ICBM - crossover
    Beringher BFD - sub eq

    Where is the remote? Where is the $%#$% remote!

    "I've always been mad, I know I've been mad, like the most of us have...very hard to explain why you're mad, even if you're not mad..."
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  • obieone
    obieone Posts: 5,077
    edited June 2008
    LOL! I was thinking of doing that w/ my 2 60's and 4 30's. Run them in 7 ch. stereo and call them Monitor 120's:eek::D
    I refuse to argue with idiots, because people can't tell the DIFFERENCE!
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  • GelatinousFury
    GelatinousFury Posts: 82
    edited June 2008
    Bolt 6 lsi9's together like you have pictured and from henceforth refer to them as LSI54 AURAL DEVASTAT0RZ
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  • amulford
    amulford Posts: 5,020
    edited June 2008
    hoosier21 wrote: »
    I bet it would sound good, why all the nay sayers?

    Nah, you'd get all kinds of comb filtering and delayed echo. Your soundstage would be ****, too.

    'course that all depends on what you're tryin to do...
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  • SlowcarIX
    SlowcarIX Posts: 887
    edited June 2008
    iskandam wrote: »
    why not just get a pair of AV123 LS6 Line source towers? They've been getting nothing but rave reviews. And if you really wanna take it a step further, wait for its bigger brother LS9

    yep...was try to find a cheapER alternative to the LS9 :D

    photo-17.jpg
    my 7.(1x4) HT setup
    TV - Mitsubishi WD-65734
    AVP / Amp - Onkyo PR-SC885P / D-Sonic 2500-7
    Front - Emerald Physics CS2
    Center - JTR Triple 12LF
    Surround L/R / Back - Polk RTi4 / Polk FXi A4
    Sub - 4 X Hsu ULS15 playing nearfield
    DVD / CDP - Sony PS3/40GB / Sony SCD-XA9000ES
    Belkin PURE AV PF60 / UPS
    Buttkicker

    http://www.polkaudio.com/forums/showthread.php?t=60612
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  • SlowcarIX
    SlowcarIX Posts: 887
    edited June 2008
    GelatinousFury wrote: »
    Bolt 6 lsi9's together like you have pictured and from henceforth refer to them as LSI54 AURAL DEVASTAT0RZ

    lol...LSi54 :D
    my 7.(1x4) HT setup
    TV - Mitsubishi WD-65734
    AVP / Amp - Onkyo PR-SC885P / D-Sonic 2500-7
    Front - Emerald Physics CS2
    Center - JTR Triple 12LF
    Surround L/R / Back - Polk RTi4 / Polk FXi A4
    Sub - 4 X Hsu ULS15 playing nearfield
    DVD / CDP - Sony PS3/40GB / Sony SCD-XA9000ES
    Belkin PURE AV PF60 / UPS
    Buttkicker

    http://www.polkaudio.com/forums/showthread.php?t=60612
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  • SlowcarIX
    SlowcarIX Posts: 887
    edited June 2008
    hockeyboy wrote: »
    Power with natural gas or coal.

    too polluting...how about this ;)

    PlumedZoom.jpg
    my 7.(1x4) HT setup
    TV - Mitsubishi WD-65734
    AVP / Amp - Onkyo PR-SC885P / D-Sonic 2500-7
    Front - Emerald Physics CS2
    Center - JTR Triple 12LF
    Surround L/R / Back - Polk RTi4 / Polk FXi A4
    Sub - 4 X Hsu ULS15 playing nearfield
    DVD / CDP - Sony PS3/40GB / Sony SCD-XA9000ES
    Belkin PURE AV PF60 / UPS
    Buttkicker

    http://www.polkaudio.com/forums/showthread.php?t=60612
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  • SlowcarIX
    SlowcarIX Posts: 887
    edited June 2008
    amulford wrote: »
    Nah, you'd get all kinds of comb filtering and delayed echo. Your soundstage would be ****, too.

    'course that all depends on what you're tryin to do...

    whats comb filtering anyways? it seems that only polk is dealing it with the cascade taper xovering...?
    my 7.(1x4) HT setup
    TV - Mitsubishi WD-65734
    AVP / Amp - Onkyo PR-SC885P / D-Sonic 2500-7
    Front - Emerald Physics CS2
    Center - JTR Triple 12LF
    Surround L/R / Back - Polk RTi4 / Polk FXi A4
    Sub - 4 X Hsu ULS15 playing nearfield
    DVD / CDP - Sony PS3/40GB / Sony SCD-XA9000ES
    Belkin PURE AV PF60 / UPS
    Buttkicker

    http://www.polkaudio.com/forums/showthread.php?t=60612
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  • maximillian
    maximillian Posts: 2,144
    edited June 2008
    Comb Filtering is constructive and destructive interference from two points of identical sound. It messes with your sound stage and imaging. It occurs with one set of front speakers also because of reflections in a room. This is why people are also into room treatments.

    I tried mixing RTi6's with R50's. They were about 1.5 feet apart of eachother and separated by about 8-10 feet. At first it sounded great. They I realized that imaging was pretty much lacking. I stacked the 6's on the 50's like you have and horizontal imaging greatly improved. However, I still lack height and depth. I would imagine 6 sets of front speakers to have all sorts of problems.
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  • SlowcarIX
    SlowcarIX Posts: 887
    edited June 2008
    does comb filtering only happen when theres 2 speakers?

    my setup has a hard time reproducing height, everything else is fine....:confused:
    my 7.(1x4) HT setup
    TV - Mitsubishi WD-65734
    AVP / Amp - Onkyo PR-SC885P / D-Sonic 2500-7
    Front - Emerald Physics CS2
    Center - JTR Triple 12LF
    Surround L/R / Back - Polk RTi4 / Polk FXi A4
    Sub - 4 X Hsu ULS15 playing nearfield
    DVD / CDP - Sony PS3/40GB / Sony SCD-XA9000ES
    Belkin PURE AV PF60 / UPS
    Buttkicker

    http://www.polkaudio.com/forums/showthread.php?t=60612
    · Share on FacebookShare on Twitter