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Thread: Is this enough to drive sierra's?

  1. #1
    Join Date
    Dec 2007
    Posts
    13

    Default Is this enough to drive sierra's?

    I own an Onkyo 647 receiver which has these specs:

    Power Output* (8 ohm, 20 Hz-20 kHz, FTC)
    Front L/R 95 W/Ch
    Center 95 W
    Surround L/R 95 W/Ch
    Surround Back 95 W
    Power Output* (6 ohm, 1 kHz, FTC)
    Front L/R 115 W/Ch
    Center 115 W
    Surround L/R 115 W/Ch
    Surround Back 115 W/Ch
    Dynamic Power** (front)
    3 ohm 225 W
    4 ohm 170 W
    8 ohm 105 W


    Does this look like enough to drives these without any problems?

  2. #2
    Join Date
    Feb 2006
    Location
    Catonsville, MD
    Posts
    421

    Default

    plenty
    CMT-340SE2 Mains & Center, CBM-170SE Surrounds, Rythmik F15, Emotiva XMC-1, Emotiva XPA-5

  3. #3
    Join Date
    Dec 2003
    Location
    000000N 0000000E
    Posts
    771

    Default

    You'll be fine. My H/K with ~60w/ch does fine.

    That said, I do want to upgrade
    Jon O.

  4. #4
    Join Date
    Dec 2007
    Posts
    13

    Default

    Thanks for all your replies. I wasn't sure if this receiver really puts out as much as is stated.

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