Powering LSI-9s

djmodracek
djmodracek Posts: 5
edited January 2007 in Speakers
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.
Post edited by djmodracek on
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  • Early B.
    Early B. Posts: 7,900
    edited December 2006
    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."
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  • heiney9
    heiney9 Posts: 25,217
    edited December 2006
    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 Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
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  • beardog03
    beardog03 Posts: 5,550
    edited December 2006
    I use a 5 ch Parasound amp...works great

    That would be my suggestion
    Cary SLP-98L F1 DC Pre Amp (Jag Blue)
    Parasound HCA-3500
    Cary Audio V12 amp (Jag Red)
    Polk Audio Xm Reciever (Autographed by THE MAN Himself) :cool:
    Magnum Dynalab MD-102 Analog Tuna
    Jolida JD-100 CDP
    Polk Audio LSi9 Speaks (ebony)
    SVS PC-Ultra Sub
    AQ Bedrock Speaker Cables (Bi-Wired)
    MIT Shotgun S1 I/C`s
    AQ Black Thunder Sub Cables
    PS Audio Plus Power Cords
    Magnum Dynalab ST-2 FM Antenna
    Sanus Cherry wood Speak Stands
    Adona AV45CS3 / 3 Tier Rack (Black /Gold)

    :cool:
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  • Refefer
    Refefer Posts: 1,280
    edited December 2006
    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
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  • Ferres
    Ferres Posts: 310
    edited January 2007
    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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