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  1. #1

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    Default 4 ohm speakers, 8 ohm receiver

    I walked into a small, respectable audio specialist, asking for a receiver that would pair well with the LSi9's. I was directed to the Marantz SR5002. It's gotten great reviews. Unfortunately, I didn't realize it was an 8 ohm receiver (the polk speakers are 4 ohms). I don't know much about the technical stuff -- the store owner said the marantz would be more than enough for the LSi9's, even in a 7.1 setup. Anyone disagree with him? I wouldn't want to damage the speakers or the receiver. I do plan on pushing the system on a regular basis (I like loud music). Thanks for any responses.

  2. #2

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    Oh no not again.
    Just kidding. We get that here 3 times a week. The store owner wanted to sell a Marantz. Nice gear, but not up to snuff for driving full LSI system.
    Here is the most recent thread.
    http://www.polkaudio.com/forums/showthread.php?t=66213
    Try the search function. You will get more info than you need. Stick around.
    Welcome to CP.
    Ben
    Please. Please contact me a ben62670 @ yahoo.com. Make sure to include who you are, and you are from Polk so I don't delete your email. Also I am now physically unable to work on any projects. If you need help let these guys know. There are many people who will help if you let them know where you are.
    Thanks
    Ben

  3. #3

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    Thanks for the reply, and sorry for the repetitive post. I guess my question then is should I return this receiver (which would be quite a hassle since I got it in LA and live in Berkeley -- bad idea) or could I instead buy an external amplifier? Will having this receiver always hold back the sound from the LSi's or will an additional amp allow them to sound their best? Judging from other threads it seems like I need 120wpc at least, I'm assuming at 4 ohms. How does that translate into an 8 ohm receiver (90wpc) with an external amp? Thanks again.

  4. #4

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    Quote Originally Posted by ben62670 View Post
    Try the search function.
    I myself have answered this question at least twice in the last week with posts as recent as last night. Check the speaker forum for threads on LSi, they all revert to arguments over power.

  5. #5

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    Bottom line is this.
    Some receiver can hold the 4 ohm load. Some can't. Some clip at reference , some don't. Why buy such fantastic speakers and under power them?
    Dan
    My personal quest is to save to world of bad audio, one thread at a time.

  6. #6

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    If your Marantz has preouts for separate amplification get a 200wpc @ 8ohms amplifier. That will ensure that your LSI's have all the power they will need.

    Quote Originally Posted by lhbrennan View Post
    Thanks for the reply, and sorry for the repetitive post. I guess my question then is should I return this receiver (which would be quite a hassle since I got it in LA and live in Berkeley -- bad idea) or could I instead buy an external amplifier? Will having this receiver always hold back the sound from the LSi's or will an additional amp allow them to sound their best? Judging from other threads it seems like I need 120wpc at least, I'm assuming at 4 ohms. How does that translate into an 8 ohm receiver (90wpc) with an external amp? Thanks again.
    Sunfire TGP III PrePro, Sunfire Cinema Grand Signature 405wpc 5 ch. Amp, Rotel RCD-1072 CDP, Onkyo TA2600 Tape Deck, Pioneer Elite 47-A DVD, Sony 32" XBR TV, Polk RTA-8T Main Speakers, Boston VR-920 Center Channel, Boston PV-600 Subwoofer, Polk DSW 400 Subwoofer, Polk FXi-3 Surround Speakers

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