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How much power?

Discussion in 'AV Receivers & Amplifiers' started by Tug100, Oct 22, 2004.

  1. Tug100

    Tug100
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    I've just bought the AE Evo 3B speaker package and wanted to buy the Sony STR DB 795 amp to go with them. It seems like the best amp with plenty of power for my budget of £250 to £300.

    The problem is that I can't find the Sony in stock so I'm considering other amps.

    My question is whether I need to look for 100W per channel to get the most from my speakers, or whether an amp like Denon's AVR 1905 (80 W per channel) will do them justice.

    I don't want to go over £300 but any pointers on whether the Denon will match the Evo's, or whether something else will do a better job appreciated.

    I would prefer new (not second hand) because of the 7.1 option for upgrading at a later date. My room is an odd shape.
     
  2. Mylo

    Mylo
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    Do you know what the impedance of the Evo's is? You may not need loads of power but you might need an amp that can drive low impedance loads.
     
  3. Tug100

    Tug100
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    The impedance is 8 Ohms
     
  4. Falp

    Falp
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    Go for a Denon 2105 minimum...

    Os even better, a Marantz 5500 or a 5400 at a great price.
     
  5. Dfour

    Dfour
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    The other option id go fo the sony/denon (making sure they have pre-outs) and then see if you can lay your hands on a power amp at a later date to bi-amp the fronts.
    sony
    http://www.superfi.co.uk/index.cfm/page/moreinfo.cfm/Product_ID/2000
    Yamaha 550 (only 6.1 though)
    http://www.superfi.co.uk/index.cfm/page/moreinfo.cfm/Product_ID/1927
    Denon 2105 (slightly above your budget but Falp recommended it)
    http://www.superfi.co.uk/index.cfm/page/moreinfo.cfm/Product_ID/1958

    Also worth looking at www.petertyson.co.uk as they ahve the Marantz SR5400 OSE at a special price of £269 inc well within your budget.:smashin:
     
  6. Tug100

    Tug100
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    Sorry, forgot to say - it has to be silver too!
     
  7. Thunder

    Thunder
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    Power ratings on integrated amps usually mean very little. Its normally measured with only one channel driven. When you have all five or seven amplifier channels sucking from the same power supply the real world power output is considerably less. Current drive is generally a much more important factor in an amplifiers ability to drive speakers :lesson: Look for the amount of current the amp is capable of delivering. 8ohm speakers should be quite easy to drive, but check out their sensitivity rating too as this is important. If its above about 89 then you should be ok with most amps. A seperate power amp will nearly always be superior to an integrated design :smashin:
     
  8. vinny41

    vinny41
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    I suspect that Sony is holding back in strdb795 has most of their dealers are trying to offload strdb790 without reducing the price i.e shop around you can find strdb795 for £222 strdb790 from sony dealers still marked up at £299
     
  9. andhoey

    andhoey
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    so would 8ohm speakers be louder than 6ohm speakers driven by the same amp?
    assuming both speakers and amp were rated at 100w, and amp was set for 6ohm and 8ohm impedence .
     
  10. andhoey

    andhoey
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    hmmm another unanswerd question this maybe :rolleyes:
     

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