LsiM ohms

Stilly74
Stilly74 Posts: 194
edited November 2012 in Speakers
Just a heads up, I've spoke with Polk on the LsiM speaker line and they have confirmed that they can be run at 4 or 8 ohms.

So let those babies sing at 4 ohms.
Post edited by Stilly74 on
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  • F1nut
    F1nut Posts: 50,746
    edited November 2012
    What are you talking about?
    Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."

    President of Club Polk

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  • leroyjr1
    leroyjr1 Posts: 8,785
    edited November 2012
    Stilly74 wrote: »
    Just a heads up, I've spoke with Polk on the LsiM speaker line and they have confirmed that they can be run at 4 or 8 ohms.

    So let those babies sing at 4 ohms.

    What?
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  • lllliiioor
    lllliiioor Posts: 6
    edited November 2012
    double-facepalm.jpg
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  • Stilly74
    Stilly74 Posts: 194
    edited November 2012
    My receiver has pre-outs which are connected to a 5 x 200 watt dedicated amp @ 8 ohms. My receiver can be switched from 4 ohms to 8 ohms. My amps specs are 200 watts @ 8ohms and 300 watts @ 4 ohms.

    So running my receiver at 4 ohms setting will allow the amp to push an additional 100 watts on each channel. Correct? So should help with making the sound a little more dramatic at lower volumes.
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  • txcoastal1
    txcoastal1 Posts: 13,323
    edited November 2012
    No...they are 8ohm speakers so set your switch to 8ohms...and in less you run them at ear damaging volumes you will probably never draw the full 200 watts.

    Seen these LSiM towers run beautifully on single ended 12 watt amps at well above reference levels
    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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  • Stilly74
    Stilly74 Posts: 194
    edited November 2012
    txcoastal1 wrote: »
    No...they are 8ohm speakers so set your switch to 8ohms...and in less you run them at ear damaging volumes you will probably never draw the full 200 watts.


    Seen these LSiM towers run beautifully on single ended 12 watt amps at well above reference levels

    They can be run at 4 ohms or 8 ohms. Got that direct from the horses mouth(Polk)This is what he sent back to me on my question to him.

    "That will work exactly like you said. Those speakers will be fine at that power and that setting.(4 ohms) It should sound great too!"

    Matthew Heinecke

    Customer Service Specialist
    Technical Support
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  • Stilly74
    Stilly74 Posts: 194
    edited November 2012
    Stilly74 wrote: »
    My receiver has pre-outs which are connected to a 5 x 200 watt dedicated amp @ 8 ohms. My receiver can be switched from 4 ohms to 8 ohms. My amps specs are 200 watts @ 8ohms and 300 watts @ 4 ohms.

    So running my receiver at 4 ohms setting will allow the amp to push an additional 100 watts on each channel. Correct? So should help with making the sound a little more dramatic at lower volumes.

    This was my question to Polk in earlier email. Answer is above in earlier reply.
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  • nwohlford
    nwohlford Posts: 700
    edited November 2012
    Stilly74 wrote: »
    They can be run at 4 ohms or 8 ohms. Got that direct from the horses mouth(Polk)This is what he sent back to me on my question to him.

    "That will work exactly like you said. Those speakers will be fine at that power and that setting.(4 ohms) It should sound great too!"

    Matthew Heinecke

    Customer Service Specialist
    Technical Support

    The 4 ohm switch on the receiver is usually just to protect the receiver when using true 4 ohm speakers. The setting does not change the impedance of the speakers.
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  • Tbone289
    Tbone289 Posts: 661
    edited November 2012
    The output of the amp is dependent on the actual impedance of the speaker, not the position of the switch.
    2.1: PC>Schiit Gungnir MB>Schiit Freya Noval>NAD C-270>Ascend Acoustics Sierra-1, HSU STF-2 5.1: HDMI Bitstream>Denon AVR-1910>polkaudio RTE55, CS350-LS, RT3, HSU STF-2, Visio M55-F0
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  • Stilly74
    Stilly74 Posts: 194
    edited November 2012
    nwohlford wrote: »
    The 4 ohm switch on the receiver is usually just to protect the receiver when using true 4 ohm speakers. The setting does not change the impedance of the speakers.

    Not a switch but a setting in the amp menu.
    Why would they state it in the amp specs( 300 watts @ 4 ohms--200 @ 8) if you could never use it?
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  • zingo
    zingo Posts: 11,258
    edited November 2012
    nwohlford wrote: »
    The 4 ohm switch on the receiver is usually just to protect the receiver when using true 4 ohm speakers. The setting does not change the impedance of the speakers.

    Best answer yet; the speakers will provide a specific load on the receiver independent of any available settings. Now if your amp used multiple output taps off an autotransformer, that would be different.
    Jake
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  • txcoastal1
    txcoastal1 Posts: 13,323
    edited November 2012
    Because eight ohm speakers will place an amplifier designed for four ohms under a heavier load, the system will play at a lower maximum volume than if four ohm speakers were used. This is due to the fact that the audio amplifier designed for four ohms can supply more power to a four ohm load than to an eight ohm load.
    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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  • F1nut
    F1nut Posts: 50,746
    edited November 2012
    Stilly74 wrote: »
    My receiver has pre-outs which are connected to a 5 x 200 watt dedicated amp @ 8 ohms. My receiver can be switched from 4 ohms to 8 ohms. My amps specs are 200 watts @ 8ohms and 300 watts @ 4 ohms.

    So running my receiver at 4 ohms setting will allow the amp to push an additional 100 watts on each channel. Correct? So should help with making the sound a little more dramatic at lower volumes.

    LOL.....no dude, that's not how it works.

    The 4 ohm setting on your AVR limits current and power to protect the AVR from damage when driving 4 ohm speakers. When using an external power amp, selecting the 4 or 8 ohm setting on the AVR doesn't do a damn thing.
    Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."

    President of Club Polk

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  • Stilly74
    Stilly74 Posts: 194
    edited November 2012
    F1nut wrote: »
    LOL.....no dude, that's not how it works.

    The 4 ohm setting on your AVR limits current and power to protect the AVR from damage when driving 4 ohm speakers. When using an external power amp, selecting the 4 or 8 ohm setting on the AVR doesn't do a damn thing.

    Funny I guess the technical support guy at Polk doesn't know what he's talking about then. Guess they just make the speakers.
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  • txcoastal1
    txcoastal1 Posts: 13,323
    edited November 2012
    AAhhh F1 missed the AVR/Amp question....good eyes

    Thought he was talking amp output switch
    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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  • F1nut
    F1nut Posts: 50,746
    edited November 2012
    Stilly74 wrote: »
    Funny I guess the technical support guy at Polk doesn't know what he's talking about then. Guess they just make the speakers.

    In this case, he doesn't.
    Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."

    President of Club Polk

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  • tonyb
    tonyb Posts: 33,006
    edited November 2012
    Stilly....dude, once you use the preouts on the receiver the receivers amps are no longer used. So doesn't matter where that switch is set, your using an external amp buddy. The amp itself doesn't just blow out it's full rated power all the time either. Get your read on my man.

    Maybe the Polk guy just misunderstood you.....or the janitor picked up the phone.
    HT SYSTEM-
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  • Stilly74
    Stilly74 Posts: 194
    edited November 2012
    mantis wrote: »
    I think you need to learn the basics. Start with Ohms Law , learn about Ohm loads and what they mean. Then go learn about speakers , how they work . Same with Amps , how they are made , how they work , the different types of amps.

    Oh sorry there Mr stereo man. You must be so smart.. Get over yourself there guy. If would have read the post you would see I'm simply repeating/posting my conversation with tech support at Polk.
    It's guys like you on here that drive me nuts and make this site less than helpful sometimes.
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  • txcoastal1
    txcoastal1 Posts: 13,323
    edited November 2012
    Stilly you are taking Mantis all wrong, he's serious about getting your learn on. This is a new hobby and addiction for myself, and the list he is posting are the basics. Get your google on, ask some questions, and read through the forums and be enlightened.

    I am an integrator and use resisters, diodes, etc daily...but still learning about how it applies to audio

    have fun with it
    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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  • snake1
    snake1 Posts: 567
    edited November 2012
    Stilly74 wrote: »
    Oh sorry there Mr stereo man. You must be so smart.. Get over yourself there guy. If would have read the post you would see I'm simply repeating/posting my conversation with tech support at Polk.
    It's guys like you on here that drive me nuts and make this site less than helpful sometimes.

    He's not trying to be a **** about it! He's just giving you some pointers on what topics to search for first. I looked up many of the same things and while its a good deal of reading, I now have a basic understanding and have helped others since then. I do understand how this can get frustrating though, but with time, effort, and a LOT of threads it starts making sense!
    AVR - Onkyo NR809
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  • skrol
    skrol Posts: 3,393
    edited November 2012
    Stilly74 wrote: »
    Funny I guess the technical support guy at Polk doesn't know what he's talking about then. Guess they just make the speakers.

    Perhaps he does... He said "Those speakers will be fine at that power and that setting.(4 ohms) It should sound great too!", and he is correct. The switch won't do anything unless you are driving the speakers with the AVR but in your configuration AVR/Amp he is correct.
    Stan

    Main 2ch:
    Polk LSi15 (DB840 upgrade), Parasound: P/LD-1100, HCA-1000A; Denon: DVD-2910, DRM-800A; Benchmark DAC1, Monster HTS3600-MKII, Grado SR-225i; Technics SL-J2, Parasound PPH-100.

    HT:
    Marantz SR7010, Polk: RTA11TL (RDO198-1, XO and Damping Upgrades), S4, CS250, PSW110 , Marantz UD5005, Pioneer PL-530, Panasonic TC-P42S60

    Other stuff:
    Denon: DRA-835R, AVR-888, DCD-660, DRM-700A, DRR-780; Polk: S8, Monitor 5A, 5B, TSi100, RM7, PSW10 (DXi104 upgrade); Pioneer: CT-6R; Onkyo CP-1046F; Ortofon OM5E, Marantz: PM5004, CD5004, CDR-615; Parasound C/PT-600, HCA-800ii, Sony CDP-650ESD, Technics SA 5070, B&W DM601
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  • Inspector 24
    Inspector 24 Posts: 1,308
    edited November 2012
    txcoastal1 wrote: »
    No...they are 8ohm speakers so set your switch to 8ohms...and in less you run them at ear damaging volumes you will probably never draw the full 200 watts.

    Seen these LSiM towers run beautifully on single ended 12 watt amps at well above reference levels
    More info on this amp?!
    Up
    LSi15 LSiC - RX-V3000

    Down
    LSiM707 - 706c - 702f/x - Dual HSU VTF-15H Mk2
    Parasound HCA-3500 - HCA-2003A - Marantz SR7005
    Sim2 D60 - Dragonfly 106" Panny 500

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  • txcoastal1
    txcoastal1 Posts: 13,323
    edited November 2012
    Inspector 24 wrote: »
    More info on this amp?!

    http://www.polkaudio.com/forums/showthread.php?128877-LSAF-Lone-Star-Audio-Fest-2012-May-4-6/page3&highlight=lsaf

    Post 63 LSAF- Unison Research "Little Italy" 12 watt running the LSiM705. There is a Unison S6 35 watt in the for sale section

    http://www.polkaudio.com/forums/showthread.php?137649-Unison-Research-S6-int-tube-amp-(current-version)
    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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  • Inspector 24
    Inspector 24 Posts: 1,308
    edited November 2012
    Cool, Thanks!!
    Up
    LSi15 LSiC - RX-V3000

    Down
    LSiM707 - 706c - 702f/x - Dual HSU VTF-15H Mk2
    Parasound HCA-3500 - HCA-2003A - Marantz SR7005
    Sim2 D60 - Dragonfly 106" Panny 500

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  • sponger
    sponger Posts: 325
    edited November 2012
    Stilly74 wrote: »
    Funny I guess the technical support guy at Polk doesn't know what he's talking about then. Guess they just make the speakers.

    The technical support guy was probably trying to avoid hurting your feelings. He wanted you to feel as though you had made the right decision. I think it's part of the new "heart" marketing theme that Polk Audio has recently adopted. It's about providing quality products and service while at the same making customers feel good about themselves.
    Denon X7200WA
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