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Thread: Powering LSI-9s

  1. #1

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    Default Powering LSI-9s

    I'm new to Club Polk and just have a quick question. I have a pair of LSI-9's for the front speakers in my HT set up. I am powerng them with my Denon 2805, but am thinking of adding a separate power amp (at least a 2-channel), to help with the 4 ohm load. Is this necessary given that I really don't listen to my music that loud, or will adding the separate amp help with the quality of the sound from the speakers too. Thanks for your help.

  2. #2

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    Yes, it is necessary. Your Denon is not designed to run 4 ohm speakers. And yes, a separate amp will improve the quality of the sound.
    HT/2-channel Rig: Sony 50 LCD TV; Toshiba HD-A2 DVD player; Emotiva LMC-1 pre/pro; Rogue Audio M-120 monoblocks (modded); Placette RVC; Emotiva LPA-1 amp; Bada HD-22 tube CDP (modded); VMPS Tower II SE (fronts); DIY Clearwave Dynamic 4CC (center); Wharfedale Opus Tri-Surrounds (rear); and VMPS 215 sub

    "God grooves with tubes."

  3. #3

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    Welcome to CP and I'm not trying to be flippant with this comment. Use the search feature this has been covered soooooo many times. There is a lot of good info on your question.

    Short answer is: Absolutely, yes without question, don't give it a second thought.

    Happy New Years

    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 Aleph 30; Eastern Electric Mini Max; Adcom GDA600; MIT S3/Z Pc; SDA 1C; Squeezebox; Tubes add soul!

  4. #4

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    I use a 5 ch Parasound amp...works great

    That would be my suggestion

  5. #5

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    We need a couple of stickies for basic questions like this. I mean, it crops up so often it would be convenient if we had an F.A.Q. Section devoted to these type of questions.
    Lovin that music year after year.

    Main 2 Channel System

    Polk SDA-1B,
    Promitheus Audio TVC SE,
    Rotel RB-980BX,
    OPPO DV-970HD,
    Lite Audio DAC AH,
    IXOS XHA305 Interconnects


    Computer Rig

    Polk SDA CRS+,
    Creek Audio 5350 SE,
    Morrow Audio MA1 Interconnect,
    HRT Music Streamer II

  6. #6

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    It would run ok for two channels but no more. There is a good chance it will go into protect if you engage multi-channels.
    Gear: Rotel RC 1082, Rotel RSP 1068 pre/pro, Rotel RMB1077 amp, Cayin CDT 15a CD player, S301 bluray.

    Speakers: Tannoy DC sensys speakers, Paradigm Servo15 Sub, Velo Spl-1500r

    Conditioner: Isotek :D

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