REVIEW: Polk Lsi9

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  • Posts: 12,434
    edited December 2005
    steveinaz wrote:
    This was definitely compression, as the soundstage just collapsed, almost as if the speakers were turning themselves down...this differs greatly from audible clipping distortion.


    I just have to say, with the needles peaking at 900 watts mine were open and live with no form of compression or loss of soundstage.
    madmax
    Vinyl, the final frontier...

    Avantgarde horns, 300b tubes, thats the kinda crap I want... :D
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  • Posts: 19,537
    edited December 2005
    It is strange, but I gotta say that if those pups require that kind of wattage, there's not much of a "satisfied" market there. Most people who run that kind of power have large rooms and floorstanders, and most likely like their music LOUD. They're not going to **** around with a bookshelf. If I can't successfully run an Lsi9 (or any bookshelf) with a good quality 215watt/channel power amp, I'm not the least bit interested in the speaker. There's too many others that will run harder, better, and easier for less $$.
    Source: Bluesound Node 2i - Preamp/DAC: Benchmark DAC2 DX - Amp: Parasound Halo A21 - Speakers: MartinLogan Motion 60XTi - Shop Rig: Yamaha A-S501 Integrated - Shop Spkrs: Elac Debut 2.0 B5.2
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  • Posts: 12,434
    edited December 2005
    I think your amp is loosing it with the low impedence.
    madmax
    Vinyl, the final frontier...

    Avantgarde horns, 300b tubes, thats the kinda crap I want... :D
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  • Posts: 19,537
    edited December 2005
    That's a possibility, the 9's dip to 2 ohms in some freq's. In either case, it's good thing to alert possible buyers about.
    Source: Bluesound Node 2i - Preamp/DAC: Benchmark DAC2 DX - Amp: Parasound Halo A21 - Speakers: MartinLogan Motion 60XTi - Shop Rig: Yamaha A-S501 Integrated - Shop Spkrs: Elac Debut 2.0 B5.2
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  • Posts: 12,434
    edited December 2005
    Yes, any buyer of the 9's needs to plan on a good high current amplifier capable of 2 ohm operation.
    madmax
    Vinyl, the final frontier...

    Avantgarde horns, 300b tubes, thats the kinda crap I want... :D
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  • Posts: 19,537
    edited December 2005
    Addendum added to the review.
    Source: Bluesound Node 2i - Preamp/DAC: Benchmark DAC2 DX - Amp: Parasound Halo A21 - Speakers: MartinLogan Motion 60XTi - Shop Rig: Yamaha A-S501 Integrated - Shop Spkrs: Elac Debut 2.0 B5.2
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  • Posts: 12,434
    edited December 2005
    Then again, it could just be compression.
    madmax
    Vinyl, the final frontier...

    Avantgarde horns, 300b tubes, thats the kinda crap I want... :D
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  • Posts: 19,537
    edited December 2005
    Lol!!
    Source: Bluesound Node 2i - Preamp/DAC: Benchmark DAC2 DX - Amp: Parasound Halo A21 - Speakers: MartinLogan Motion 60XTi - Shop Rig: Yamaha A-S501 Integrated - Shop Spkrs: Elac Debut 2.0 B5.2
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  • Posts: 12,434
    edited December 2005
    :D
    madmax
    Vinyl, the final frontier...

    Avantgarde horns, 300b tubes, thats the kinda crap I want... :D
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  • Posts: 4
    edited March 2006
    Hello! Everyone I just purchased a pair of lsi9. I was wondering if my Carver m500t amp would be to much for these speakers. @ 4ohms 350 watts.
    I only plan on listing at medium volume. If you could reply. Thanks Brad
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  • Posts: 12,518
    edited March 2006
    Sounds like about what I would want with them. Admittedly, that is a bit on the high side. But don't turn it wide open and I think you'll be sittin' pretty.
    George Grand wrote: »
    Jstas wrote: »
    Simple question. If you had a cool million bucks, what would you do with it?
    Wonder WTF happened to the rest of my money.
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  • Posts: 25,311
    edited March 2006
    brad4815 wrote:
    Hello! Everyone I just purchased a pair of lsi9. I was wondering if my Carver m500t amp would be to much for these speakers. @ 4ohms 350 watts.
    I only plan on listing at medium volume. If you could reply. Thanks Brad

    Shouldn't be a problem they need lots of high current power to really make 'em sing which your M500t can supply

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Puritan Audio PSM136 Pwr Condtioner & Classic PC's | Legend L600 | Roon Nucleus 1 w/LPS - Tubes add soul!
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  • Posts: 7,519
    edited March 2006
    My Earthquake puts out 600 @4 ohms. No problemo as loud as I wanna go.
    Sharp Elite 70
    Anthem D2V 3D
    Parasound 5250
    Parasound HCA 1000 A
    Parasound HCA 1000
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    Hsu ULS-15 Quad Drive Subwoofers
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    Polk Atrium 7s on the patio just to keep my foot in the door.
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  • Posts: 6,501
    edited March 2006
    brad4815 wrote:
    Hello! Everyone I just purchased a pair of lsi9. I was wondering if my Carver m500t amp would be to much for these speakers. @ 4ohms 350 watts.
    I only plan on listing at medium volume. If you could reply. Thanks Brad


    I had my 9's on a Carver m4.0 500 watts 4 ohms. unless your listening at extremely high levels, I wouldnt lose sleep. 350 watts should do them up nice :D
    Living Room 2 Channel -
    Wiim Ultra. Jolida CD player. Fiio k11 R2R DAC, XTZ as300 Edge amp. Focal Cobalt 826 towers,

    Upstairs 2 Channel Rig -
    Audiophonics AB310 preamp, DIY1200as2 Icepower Amp, Wiim pro streamer and Topping E70 Velvet DAC, California Audio Labs DX1 CD player, Polk LSi9 with modified crossovers.

    Studio Rig - Scarlett 18i20(Gen3) DAW, Schitt Saga 2 preamp, Topping a90 headphone amp, Mac Mini, Audiophonics Hypex NC252m amp, Polk r200's
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  • Posts: 6,501
    edited March 2006
    ....
    double post, ooops
    Living Room 2 Channel -
    Wiim Ultra. Jolida CD player. Fiio k11 R2R DAC, XTZ as300 Edge amp. Focal Cobalt 826 towers,

    Upstairs 2 Channel Rig -
    Audiophonics AB310 preamp, DIY1200as2 Icepower Amp, Wiim pro streamer and Topping E70 Velvet DAC, California Audio Labs DX1 CD player, Polk LSi9 with modified crossovers.

    Studio Rig - Scarlett 18i20(Gen3) DAW, Schitt Saga 2 preamp, Topping a90 headphone amp, Mac Mini, Audiophonics Hypex NC252m amp, Polk r200's
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  • Posts: 5,231
    edited March 2006
    I ran my LSi7's (and now LSi15's) with my 500 wpc Cinepro. No issues at all. When things start to collapse, turn it down. (soundstage, imaging, etc all become very 2 dimentional)

    I have never had any issues.

    Michael
    Mains.............Polk LSi15 (Cherry)
    Center............Polk LSiC (Crossover upgraded)
    Surrounds.......Polk LSi7 (Gloss Black - wood sides removed and crossovers upgraded)
    Subwoofers.....SVS 25-31 CS+ and PC+ (both 20hz tune)
    Pre\Pro...........NAD T163 (Modded with LM4562 opamps)
    Amplifier.........Cinepro 3k6 (6-channel, 500wpc@4ohms)
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  • Posts: 4
    edited March 2006
    Thanks to everyone for the fast respones and info. I can't wait to get my lsi9's and when I do i will let you guys know what I think. Thanks again Brad
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  • Posts: 4
    edited March 2006
    Does any body know if they made any change to the speaker because mine cones are dark gray and on the box there was a yellow sticker saying new lsi9. But other wise the speakers are great. I'm bi-wiring them right know, but tonight I'm going to try bi-amping them. So I will let you guys know how that sounds.
    Thanks Brad
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  • Posts: 2,813
    edited March 2006
    The cones should be a dull bluish gray with a black dustcap and surround. Do you have any pictures of them? Where did you buy them from?
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  • Posts: 4
    edited March 2006
    I took a pic on my digital camra the speakers do look like a dull blue color.
    Thats wierd they don't look blue when you look at them.
    The speakers are from Sound Professionals
    San Diego, CA www.soundpros.com
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