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  1. #1

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    Default LSI and Sunfire AMP Bi-wire-Spit wire ??

    I just bought:

    LSI9's
    LSIC
    LSIFX

    I already own:
    Harman Kardon DPR 2005 AV reciever
    Sunfire Sig 425 watt 5 channel amp

    I am trying to determine how to wire the speakers to the amp. I do understand that its up to my taste, BUT, does anyone have any recomendations??

    The Sunfire amp has voltage source and current source terminals for bi-wiring on the amp side. The LSI's also have bi-wire capability.
    Here is the manual for the amp if its helpful. the bi-wire section is on page 18.
    http://www.sunfire.com/pdf/Cinema%20...r%20Manual.pdf

    Option 1 - Bi-wire - 2 to amp 4 to speakers
    Option 2 - Split wire - 4 to amp 4 to speakers
    Option 3 - standard hook up 2 to amp 2 to speakers

    Im buying some new speaker wires and want to get some feedback before I spend the $$ on new cables.

    Thanks
    Mike
    Chicago, IL

  2. #2

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    Default URL

    Here is the correct URL for the sunfire manual. The biwire section is on page 18.

    Thanks

    http://www.sunfire.com/pdf/Cinema%20Grand%20and%20Signature%20Series%20II%20A rchitects%20Choice%205-Channel%20Power%20Amplifier%20Manual.pdf
    Mike
    Chicago, IL

  3. #3

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    Default URL 2

    One more time with the link... hope this does the trick.

    http://www.sunfire.com/cinemagrandsignature.htm
    Mike
    Chicago, IL

  4. #4

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    Default

    From what I've gathered, it's recommended that you connect the voltage (tighter-sounding) source to the mid/bass driver section, and the current (warmer-sounding) source to the tweeter section for the two mains. If this sounds a bit too laid back, you can simply combine the connections at the amp end to the voltage source output. Either way is functionally the same. I think that the currrent source outputs were included to cater to two-channel listeners who prefer a warmer, more 'tube-like' sound.
    Polk LSi9 Mains, Polk LSIC Center, Polk RT25i Surrounds, Polk M3II Rear Surround, SVS PB10-ISD Sub, Denon AVR 2809 (as digital pre/pro only), Sony BDP-S350, Oppo DV-981HD, Cambridge Audio Azur 540C (CD), Marantz MM9000 5-ch amp, Outlaw ICBM, Panasonic th-42PX85u HDTV, Behringer BFD Pro, Monster Power HTS 2600 Conditioner

  5. #5
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    Default

    That's pretty much it...

    I love the current output to my SRS's SL2000 tweeters. It really refines/ softens this tweeter. The MW's get the voltage output. The current output to MW's is a bit too soft.

    With the 9's, which I think are already laid back on the upper end, I could see preferring voltage all the way around...

    The Sunfire Sig Cin Grands with their 5-way, binding post layout almost demand the use of banana plugs. Added benefit is it makes swapping them around a snap and so you can play.

    Have fun...
    More later,
    Tour...
    Vox Copuli
    Better to remain silent and be thought a fool, than to open your mouth and remove all doubt. - Old English Proverb

    "It's easy to get lost in price vs performance vs ego vs illusion." - doro
    "There is a certain entertainment value in ripping the occaisonal (sic) buttmunch..." - TroyD
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    Rebuilding Maggie 2-ch & Amazing 2-ch... Building 2-ch "wall"... Figuring out the HT

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