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  1. #1

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    Default connecting a new receiver

    I am connecting a new yamaha rxv-465 receiver is rated at 8 ohms impedance, can you use speakers rated at 4 ohm impedance which I have currently or do I now have to buy new speakers rated at 8 ohms. Even if I do buy new speakers, can I use the old ones temp. or will it ruin the new receiver?:??????

  2. #2

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    Quote Originally Posted by wakey2 View Post
    I am connecting a new yamaha rxv-465 receiver is rated at 8 ohms impedance, can you use speakers rated at 4 ohm impedance which I have currently or do I now have to buy new speakers rated at 8 ohms. Even if I do buy new speakers, can I use the old ones temp. or will it ruin the new receiver?:??????
    In another thread, you've been told that you have a low end receiver. A 4 ohm speaker will draw more current than your recever can properly provide. As a result, there will be clipping and distortion and the resulting bad sound.
    With that receiver you need to use 8 ohm high efficiency speakers.
    We recommended that you exchange it. You can't get even decent sound out of a poor receiver.

    Main HT/2 ch:
    Pioneer SC-07, BDP-05FD, Emotiva XPA-5 x 2, XPA-1 x 2,
    Polk Audio LSi25, RTi12 x 2, LSi15 x 4, LSiC x 2, PSW1000 x 4,

    MB HT/ 2 ch:
    LG 47LM5800, Pioneer SC-1523, BDP-23FD, Sony BDP-S790, Emotiva XPA-2, XPA-5,
    Polk Audio LSi25,15, CSi5, LSiFX, PSW505 x 4

    Listening Room 2 ch:
    McIntosh MC122, MC162, MC202, C15, C41, C42, MA6500, MA6900, MCD201, MCD301, MR85, MX130, MX134
    Emotiva RSP-2, RPA-1, ERC-2
    Adcom GCD 750, GFP 750, GFA 5802
    Polk Audio LSi7,9, 15

  3. #3

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    I do not know the answer for this, but on my receiver I have switch that allows 8ohms and 4-6 ohms. Maybe yours does too, but I would not run 4ohms speakers at 8 ohms. My opinion only.
    Sharp LC-80uq17u
    Denon 3808ci Receiver
    OPPO BDP-93 Blu-Ray Disc Player
    Monster HTS 3600
    Polk RTi-a7 (fronts)
    Polk CSi-a6 (Center)
    Polk TC-60i (Rear & Surround Rear)
    HSU Research VTF3-MK4 (Sub)
    Logitech Harmony 900 (Remote)

  4. #4

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    Quote Originally Posted by chiptouz View Post
    I do not know the answer for this, but on my receiver I have switch that allows 8ohms and 4-6 ohms. Maybe yours does too, but I would not run 4ohms speakers at 8 ohms. My opinion only.
    The 4-6 ohm switch is a current limiting output switch to protect your receiver from overload. It doesn't make it sound better.

    Main HT/2 ch:
    Pioneer SC-07, BDP-05FD, Emotiva XPA-5 x 2, XPA-1 x 2,
    Polk Audio LSi25, RTi12 x 2, LSi15 x 4, LSiC x 2, PSW1000 x 4,

    MB HT/ 2 ch:
    LG 47LM5800, Pioneer SC-1523, BDP-23FD, Sony BDP-S790, Emotiva XPA-2, XPA-5,
    Polk Audio LSi25,15, CSi5, LSiFX, PSW505 x 4

    Listening Room 2 ch:
    McIntosh MC122, MC162, MC202, C15, C41, C42, MA6500, MA6900, MCD201, MCD301, MR85, MX130, MX134
    Emotiva RSP-2, RPA-1, ERC-2
    Adcom GCD 750, GFP 750, GFA 5802
    Polk Audio LSi7,9, 15

  5. #5

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    Good advice above, do yourself (and your speakers) a favor and get an external amp, if your AVR has preouts, and call it a day. Running 4 ohm speakers off an 8 ohm AVR isn't the best idea in the world and eventhough it is possible, it is only a matter of time before something gets upset and breaks. Looking at the back panel of your AVR, I don't see any preouts, so your only option would be to get one that does, or buy some 8 ohm speakers. In the meantime be very careful with the volume knob and look into a new AVR.

    -Jeff
    HT Rig
    Receiver- Onkyo TX-SR806
    Mains- Polk Audio Monitor 70
    Center- Polk Audio CS2
    Surrounds- Polk Audio TSi 500's :D
    Sub- Polk Audio PSW125
    Retired- Polk Audio Monitor 40's
    T.V.- 60" Sony SXRD KDS-60A2000 LCoS
    Blu-Ray- 80 GB PS3


    2 CH rig (in progress)
    Polk Audio Monitor 10A's

    It's not that I'm insensitive, I just don't care.. :D

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