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Power output from THX Amplifiers into 4 ohmn speakers

Discussion in 'AV Receivers & Amplifiers' started by Stewart C, Sep 26, 2001.

  1. Stewart C

    Stewart C
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    When I look at the specification of an amplifier it states for example an 8 ohmn load gives 125 watts per channel.

    Thereafter a 6 ohmn load gives out 150 watts per channel. Presumably a 4 ohmn load will give in the region of 165 watts per channel.

    Why is this ? If on the surface you appear to get more power form an amp at 4 ohms, what are the drawbacks. I am thinking particularly of THX amplifiers.

    Regards
     
  2. Lowrider

    Lowrider
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    To put it as simple as I know, 4 ohm loads are more difficult to drive, an amplifier to handle it should have a rating twice as high for 4 ohms, if it is 100 watts for 8 omhs should be around 200 for 4 ohms.
     

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