Any Advantage in Doing This?

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  • Opus007
    Senior Member
    • Nov 2007
    • 454

    #1

    Any Advantage in Doing This?

    Would there be an advantage to to remove the rear channels off of my 5x120 Rotel Amp and put a Y splitter on the front L&R output channels of the receiver and run them to the front L&R and rear L&R of the amp ... thus being able to bi amp my 683 fronts.This would give the high end and low end 120 watts each.Then I would use the receivers outputs to driver the rears.Or would this cause a bottle neck or would this degrade the audio.Thanks.
  • audioqueso
    Super Senior Member
    • Nov 2004
    • 1933

    #2
    Basically bi-amp your fronts with the Rotel amp, and power the rear speakers with the receiver, right?

    Try it out. I mean, it's only going to cost you a few dollars to buy an RCA Y-splitter, and some regular speaker wire so you can test it out.
    There are some advantages and disadvantages.
    Bi-amping the front speakers would improve the sound quality. I don't know how much on those speakers, but bi-amp did improve my 601 S3 when I had them. So if you're into 2-channel music, I would give it a try and see if you like it.
    However, if you're into multi-channel music or big on HT, I wouldn't. The reason I say this is because with the 601's and my 805's, the bass got tighter and stronger, yes... but my highs also came out a bit forward... so in regulars to movie dialog and music vocals, panning from left to center to right MAY not transition as smooth for you.
    But... it's an easy test, so I would give it a try and see if you like it.
    B&W 804S/Velodyne SPL-1000R/Anthem MRX720

    Comment

    • Kal Rubinson
      Super Senior Member
      • Mar 2006
      • 2109

      #3
      Originally posted by audioqueso
      Bi-amping the front speakers would improve the sound quality.
      Hotly debated and hotly disputed.

      But... it's an easy test, so I would give it a try and see if you like it.
      Why not?
      Kal Rubinson
      _______________________________
      "Music in the Round"
      Senior Contributing Editor, Stereophile
      http://forum.stereophile.com/category/music-round

      Comment

      • audioqueso
        Super Senior Member
        • Nov 2004
        • 1933

        #4
        Originally posted by Kal Rubinson
        Hotly debated and hotly disputed.
        Sure, so change the word to MAY. Bi-amping the front speakers MAY improve the sound quality. It did on my 601's, and it does on my 805's.
        B&W 804S/Velodyne SPL-1000R/Anthem MRX720

        Comment

        • Kal Rubinson
          Super Senior Member
          • Mar 2006
          • 2109

          #5
          Originally posted by audioqueso
          Sure, so change the word to MAY. Bi-amping the front speakers MAY improve the sound quality. It did on my 601's, and it does on my 805's.
          Whatever. :roll:

          Kal
          Kal Rubinson
          _______________________________
          "Music in the Round"
          Senior Contributing Editor, Stereophile
          http://forum.stereophile.com/category/music-round

          Comment

          • wettou
            Ultra Senior Member
            • May 2006
            • 3398

            #6
            Single amplifier of better quality will make your speakers sound better than bi-amping any time. Can you brigde your amp?
            Farming looks mighty easy when your plow is a pencil, and you're a thousand miles from the corn field."Dwight D. Eisenhower

            Comment

            • Opus007
              Senior Member
              • Nov 2007
              • 454

              #7
              Originally posted by wettou
              Single amplifier of better quality will make your speakers sound better than bi-amping any time. Can you brigde your amp?
              No it is not bridgeable as it is a Rotel RMB 1075 120x5.I was thinking of maybe getting a two channel amp for the fronts .I was thinking of getting a older Classe or a Rotel RB1080 200w X2 .Not sure how the Classe would fit in though if I went that way.But I do like the idea of adding a Classe 2 channel for the fronts,Or would be better to stay with Rotel.

              Comment

              • wettou
                Ultra Senior Member
                • May 2006
                • 3398

                #8
                Originally posted by Opus007
                No it is not bridgeable as it is a Rotel RMB 1075 120x5.I was thinking of maybe getting a two channel amp for the fronts .I was thinking of getting a older Classe or a Rotel RB1080 200w X2 .Not sure how the Classe would fit in though if I went that way.But I do like the idea of adding a Classe 2 channel for the fronts,Or would be better to stay with Rotel.
                Classé would be my choice as if you listen to two channel the sound will be a lot nicer. :B Audiogon has good deals :T
                Farming looks mighty easy when your plow is a pencil, and you're a thousand miles from the corn field."Dwight D. Eisenhower

                Comment

                • Opus007
                  Senior Member
                  • Nov 2007
                  • 454

                  #9
                  Originally posted by wettou
                  Classé would be my choice as if you listen to two channel the sound will be a lot nicer. :B Audiogon has good deals :T
                  Yes I have been looking on Audiogon and see a couple that look promising.Maybe the model ca 70 or ca 101.One is only 70 wpc and the other is 100 wpc but would either of these be enough power?These are the only 2 in my current price range.

                  Comment

                  • wettou
                    Ultra Senior Member
                    • May 2006
                    • 3398

                    #10
                    Originally posted by Opus007
                    Yes I have been looking on Audiogon and see a couple that look promising.Maybe the model ca 70 or ca 101.One is only 70 wpc and the other is 100 wpc but would either of these be enough power?These are the only 2 in my current price range.
                    It depends on the size of your room, 100w/chanel from Classé are very nice
                    100W at 8Ω
                    200W at 4Ω
                    400W at 2Ω
                    Farming looks mighty easy when your plow is a pencil, and you're a thousand miles from the corn field."Dwight D. Eisenhower

                    Comment

                    • Opus007
                      Senior Member
                      • Nov 2007
                      • 454

                      #11
                      My room is 14.5 feet by 13.5 feet.Here are my current thoughts.Since I picked up the stereo pre on Saturday it has been running all my waking hours.Today I deceided to really give it a work out and just in a few days it has really opened up.I have listened to almost every cd I own.I am hearing them like never before.
                      I am starting to think that the Rotel RMB 1075,Rotel RC1070 and the B&W 683's are a match made in heaven.The weakest link is the Denon cd player as it is a little bright but by using the contour control on the Rotel 1070 stereo pre, it just all blends in just right.I really think I have what I need now and no changes need to be made at this time.The Rotel Amp is only 120wpc but it does not skip a beat,stays cool and sounds good.I can not turn the stereo pre volume past the 11 o'clock position as I would bust my ear drums.At low volume it sounds awesome,at high volume it sounds awesome.I have been trying different things and different units, for over a year now trying to achieve what I am hearing now.I pulled out my Led Zepplin 2 and 3 today and was transported back to the 70's.I played my go to cd ,Eat A Peach by the Allman Brothers and the smile across my face was from ear to ear.It was like I was there.The only way I could see changing anything now was if I upgraded speakers. :E So for now I am a very happy camper and enjoying what I have and am glad I live in the desert as my closest neighbor is 1/2 mile away and I can rock.That is when the little woman lets me.Thanks for the help....... ;x(

                      Comment

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