LSI25 AMP or no AMP???

txcoastal1
txcoastal1 Posts: 13,315
edited May 2010 in Basic Hookup/Wiring Questions
just purchased the LSi25's blogs say I need an amp do to the 4 ohm. Hooking the speakers to a Pioneer VSX 1020 k...need help on set-up...thanks
2-channel: Modwright KWI-200 Integrated, Dynaudio C1-II Signatures
Desktop rig: LSi7, Polk 110sub, Dayens Ampino amp, W4S DAC/pre, Sonos, JRiver
Gear on standby: Melody 101 tube pre, Unison Research Simply Italy Integrated
Gone to new homes: (Matt Polk's)Threshold Stasis SA12e monoblocks, Pass XA30.5 amp, Usher MD2 speakers, Dynaudio C4 platinum speakers, Modwright LS100 (voltz), Simaudio 780D DAC

erat interfectorem cesar et **** dictatorem dicere a
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  • nooshinjohn
    nooshinjohn Posts: 25,457
    edited May 2010
    txcoastal1 wrote: »
    just purchased the LSi25's blogs say I need an amp do to the 4 ohm. Hooking the speakers to a Pioneer VSX 1020 k...need help on set-up...thanks

    Amp... definately get an amp. Something with 200 wpc or better will work nicely.
    The Gear... Carver "Statement" Mono-blocks, Mcintosh C2300 Arcam AVR20, Oppo UDP-203 4K Blu-ray player, Sony XBR70x850B 4k, Polk Audio Legend L800 with height modules, L400 Center Channel Polk audio AB800 "in-wall" surrounds. Marantz MM7025 stereo amp. Simaudio Moon 680d DSD

    “When once a Republic is corrupted, there is no possibility of remedying any of the growing evils but by removing the corruption and restoring its lost principles; every other correction is either useless or a new evil.”— Thomas Jefferson
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  • txcoastal1
    txcoastal1 Posts: 13,315
    edited May 2010
    Any sugestions on a respective 200 watt amp
    2-channel: Modwright KWI-200 Integrated, Dynaudio C1-II Signatures
    Desktop rig: LSi7, Polk 110sub, Dayens Ampino amp, W4S DAC/pre, Sonos, JRiver
    Gear on standby: Melody 101 tube pre, Unison Research Simply Italy Integrated
    Gone to new homes: (Matt Polk's)Threshold Stasis SA12e monoblocks, Pass XA30.5 amp, Usher MD2 speakers, Dynaudio C4 platinum speakers, Modwright LS100 (voltz), Simaudio 780D DAC

    erat interfectorem cesar et **** dictatorem dicere a
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  • tonyb
    tonyb Posts: 32,990
    edited May 2010
    Whats the budget ? Keep in mind you'll need a receiver with pre-outs and a couple cables to hook it up.
    HT SYSTEM-
    Sony 850c 4k
    Pioneer elite vhx 21
    Sony 4k BRP
    SVS SB-2000
    Polk Sig. 20's
    Polk FX500 surrounds

    Cables-
    Acoustic zen Satori speaker cables
    Acoustic zen Matrix 2 IC's
    Wireworld eclipse 7 ic's
    Audio metallurgy ga-o digital cable

    Kitchen

    Sonos zp90
    Grant Fidelity tube dac
    B&k 1420
    lsi 9's
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  • comfortablycurt
    comfortablycurt Posts: 6,745
    edited May 2010
    xcapri79 wrote: »
    Welcome to Club Polk. The Pioneer VSX-1020 doesn't have preamp outputs for an external amp.
    The last of that series that did was the VSX-1018.

    Using the internal amps with the VSX-1020, you can only run the LSi's at low to moderate volumes.
    The receiver will shut down on overload at higher volumes. The LSi's also won't sound anywhere close to their best.

    Sorry to bring you the bad news, but I would suggest that you return or sell the VSX-1020 and get the VSX-1120 which does have preamp outputs, so that you can add an external amp.


    +1 to all of that.

    The LSi's really need an amp to sound their best. Most AVR's, with a few exceptions, aren't capable of efficiently driving LSi's, due to the LSi's being 4 ohms nominal.

    First, you're going to need to upgrade your receiver to a model with preamp outputs. These are necessary for connecting an external amp.


    What kind of price range are you thinking for an amp?

    Some brands to look into are Adcom, Parasound, Rotel and B&K.
    The nirvana inducer-
    APC H10 Power Conditioner
    Marantz UD5005 universal player
    Parasound Halo P5 preamp
    Parasound HCA-1200II power amp
    PolkAudio LSi9's/PolkAudio SDA 2A's/PolkAudio Monitor 7A's
    Audioquest Speaker Cables and IC's
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  • Bernal
    Bernal Posts: 991
    edited May 2010
    +1 to all of that.



    01) DENON AVR-4308CI: Advanced 7.1 CH/5.1+2 CH/ 3.1+2+2 CH A/V Home Theater /MultiMedia Multi-Source/Zone Receiver with Networking and WiFi/170 watts x 7 channels
    02) SUNFIRE Grand Signature - Bob Carver's
    03) OPPO BDP-83SE Blu-ray Disc Player w/SACD & DVD-Audio
    04) OPPO DV-980H 1080p Up-Converting Universal DVD Player with HDMI and 7.1CH Audio
    05) DENON DVD-2500BTCI: Blu-ray Disc™ DVD/CD Digital Player/Transport
    06) HITACHI P55T501. 55" HD1080 Plasma HDTV
    07) POLKAUDIO LSiC (Center speaker)
    08) POLKAUDIO LSi15 LEFT (Front speaker)
    09) POLKAUDIO LSi15 RIGHT (Front speaker)
    10) POLKAUDIO LSiC Vertically (Surround speaker)
    11) POLKAUDIO LSiC Vertically (Surround speaker)
    12) POLKAUDIO LSif/x LEFT (Surround back speakers)
    13) POLKAUDIO LSif/x RIGHT (Surround back speakers)
    14) VELODYNE OPTIMUN SERIES 12"(High Output Digital EQ SubWoofer 2400W/1200WRMS)
    http://www.polkaudio.com/forums/showcase/view.php?userid=98096 (Not updated)
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