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recommended amplifier power for speakers

Discussion in 'Home Cinema Speakers' started by guyb, May 25, 2001.

  1. guyb

    guyb
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    Hi All

    Being a bit of a newbie I need some help with the recommended amplifier power and speakers. The amp I am getting (Denon AVR 3801) gives out 105 watts per channel. The speaker I am going to buy state –

    Fronts –
    Recommend amplifier power – Watts RMS 10-90, Recommend power handling – Watts Peak 120.

    Rears –
    Recommend amplifier power – Watts RMS 10-80, Recommend power handling – Watts Peak 120

    Are these speakers going to be OK for the Denon amp?

    Also what difference would there be if I used the following speaker specification for the fronts instead of the spec listed above for the fronts bearing in mind that the amp gives 105 watts per channel? Would I notice any difference?

    Fronts –
    Recommend amplifier power – Watts RMS 10-120, Recommend power handling – Watts Peak 180.
     
  2. Reiner

    Reiner
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    First of all the wattage rating alone is no exact measure for compability between amp and speakers.
    In short I would not see a problem using the speakers you named with the Denon, in fact it is easier to damage a speaker with a low powered amp than one which is too powerful (so called 'clipping').

    The recommendation range of xx-yy Watt by the manufacturer is of course a good guide, but if the amp is a little bit more powerfull I won't consider this as a problem.
    I mean surely you would not match those speakers with a 300Watt power amp, but as long as you stay resonable close it should be fine.

    When you hear distortion just turn the volume a bit down to avoid damage to amp (unlikely since it usually is fitted with a proteciton circuit) or speakers.

    Study the impedance (Ohm) and sensitivity (dB) of the speakers to figure if they represent a high load to the amp. The higher both figures the less load to the amp.

    [ 25-05-2001: Message edited by: Reiner ]
     

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