A Question of power handling for speakers connected to an amp....

Discussion in 'Home Cinema Speakers' started by Matt_C, Jan 1, 2007.

  1. Matt_C

    Matt_C
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    Right, so here's the scenario.

    My AV amp kicks out 100w per channel and I am considering a pair of Mission dipole speakers for the rear surrounds.

    Thing is, these Missions state a power handling of 25-75w - will my amp destroy these?

    I probably won't have it up silly loud too many times - will be in a new house with new neighbours and fairly thin walls methinks lol... But, is sticking a pair of 75w capable speakers on a 100w amp gonna overamp them enough to do any damage?
     
  2. the mechanic

    the mechanic
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  3. rszee

    rszee
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    Your more likely to damage speakers with an under powered amplifier.

    Your amplifier is fine.
     
  4. Nimby

    Nimby
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    If all AV receivers actually put out their claimed wattage with all channels driven then you could at least be assured that your speakers would be getting a nice clean signal.
    But they don't. So they won't. ;)
     
  5. Matt_C

    Matt_C
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    Thanks guys - certainly did put me mind at rest :)

    I am usually an advocate of over amping things generally - nothing like a bit of headroom to make speakers sound good! - but thats for live situations and car audio, where I can stick a 100w speaker on a 150w amp and then just reduce the gain somewhat to not over power it. But I don't know how to do that with this home cinema malarky, hence the post! :)
     
  6. miceri

    miceri
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    I've heard this many times now. Question is, how can too little power damage the speakers?

    What is the difference between under-powered amp feeding speakers, or simply having the amp turned down really low.

    You can't 'blow' a dome etc with too little power, apart from maybe sounding like s**t what damage can actually be done?
     
  7. Nimby

    Nimby
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    An underpowered amp runs into trouble at high levels into difficult loads.

    The amp starts producing horrible waveforms full of distortion components which can overheat the driver voicecoils.

    This is not the same as turning an amplifier down.
     
  8. miceri

    miceri
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    Cheers :smashin:

    Driver voicecoils, don't often look under the hood of my amp, well, never if I'm being honest!

    But this sounds too technical for me. I'll take your word for it...
     
  9. SteveAS

    SteveAS
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    Miceri, I think the voicecoils sit inside the speaker cabinets, not the amp itself.;)
     
  10. miceri

    miceri
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    I'll get me coat...
     

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