5.1 vs 2.1

RodneyWoodford
RodneyWoodford Posts: 144
edited December 2013 in Electronics
Is there a big difference in using a 5.1 receiver in 2 channel mode vs a 2.1 stereo receiver. Was looking at buying a new Harman Kardon or a Marantz running a couple of Rti 10's. Thanks for any info.
Post edited by RodneyWoodford on

Comments

  • ZLTFUL
    ZLTFUL Posts: 5,650
    edited December 2013
    Most AVRs are rated as "2 channels driven". So, yes, due to the shared power supply, you will have more power/current available as a 2 channel system run off a 5 channel AVR than you would using the same AVR to drive 5 channels.
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  • RodneyWoodford
    RodneyWoodford Posts: 144
    edited December 2013
    So a 5.1 using only 2 channels would be just as powerful as a 2 channel receiver?
  • seabeerob213
    seabeerob213 Posts: 1,843
    edited December 2013
    depends on the receiver, look at the 2 channels driven power rating in the specs
    2 Channel(work in progress):DAC: Schiit modi 2 uberAmp:Parasound 1200 MK IISub:RBH 1010-SEP Speakers: Monitor 5A peerlesscurrently running some krk rokit 3g since the HK pre outs died and i need to start breaking everything down to move in a couple monthsHeadphones:Source: tidalDAC: schiit modius epre: schiit sysAmp: AQ dragonfly black/ schiit magni2 Cans: Velodyne V-True, Grado SR225i, sennheiser x drop gaming headsetPC:DAC: schiit modius e(over spdif)pre: schiit sysspeakers: prenous eris 5 xtSub: Earthquake Sound MiniMe-P63most of my comments are passing on of info, im a noob, im just trying to help how i can, if im wrong or out of place to comment, dont hesitate to let me know :)"WITH WILLING HEARTS AND SKILLFUL HANDS, THE DIFFICULT WE DO AT ONCE, THE IMPOSSIBLE TAKES A BIT LONGER, WITH COMPASSION FOR OTHERS. WE BUILD - WE FIGHT FOR PEACE WITH FREEDOM"Seabee Memorial, Arlington, VA
  • RodneyWoodford
    RodneyWoodford Posts: 144
    edited December 2013
    So a 5.1 driven on 2 channels 80 watts per channel is as good as a 2 channel receiver at 80 watts per channel?
  • F1nut
    F1nut Posts: 50,567
    edited December 2013
    So a 5.1 driven on 2 channels 80 watts per channel is as good as a 2 channel receiver at 80 watts per channel?

    It's not that simple, all watts are not created equal and in fact, it's more about current than watts per channel. A 2 channel receiver is likely to have a better power supply than your average AVR, but it's still a receiver. Unless you need a tuner, you'd be much better off getting a nice 2 channel integrated amp.
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  • RodneyWoodford
    RodneyWoodford Posts: 144
    edited December 2013
    Don't need a tuner , any suggestions on a 2 channel integrated amp. Around $500. Thanks
  • F1nut
    F1nut Posts: 50,567
    edited December 2013
    You should be able to pick up a used NAD or Cambridge in that price range. If you doubled that, there's a lot more to consider. I noted you mention 2.1, are you using a sub?
    Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."


    President of Club Polk

  • RodneyWoodford
    RodneyWoodford Posts: 144
    edited December 2013
    No sub. Hoping to run a blu ray to play dvds and cds also a sat receiver and out to tv. Is this possible? Only want 2 channels using Rti 10's.Can you run HDMI out to amp and out to tv?
  • F1nut
    F1nut Posts: 50,567
    edited December 2013
    In that case you will need an AVR.
    Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."


    President of Club Polk

  • RodneyWoodford
    RodneyWoodford Posts: 144
    edited December 2013
    Thanks F1nut!!
  • drummer86
    drummer86 Posts: 441
    edited December 2013
    AVRs also carry the benefit of room correction software that stereo receivers and integrated amps do not. Not the end all be all but very helpful especially with movies in less-than-ideal rooms.
    Display: LG 47" LCD | AVR: Marantz SR5005 | BD: Panasonic BDT-210 | CD/SACD: Oppo 980 |
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    HK AVR635 | Polk R30 | Sony DVD/SACD Player