Rotel 1056 upgrade paths!

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  • scott555
    Junior Member
    • Dec 2005
    • 2

    #1

    Rotel 1056 upgrade paths!

    Hello,

    I am a long time reader of HTGuide and a new member. This is my first post.

    My present configuration is -
    A Rotel 1056 driving a pair of Magnepan 12s in front, rears are a pair of magnepan mmgw and a mmgc for center. No subwoofer - I pushed LF contours up a notch for now.

    Manepans are rated at 4 ohms driven at 5 x 75W. No dedicated listening room, Its all in my living room.

    I feel Magnepans can use more power. If I add a 1075, I'll be able to drive them at 200w/channel. First question - If I do so, what would be the primary gain - more definition/clarity or more db?

    Second newbie question - What is better? Somehow use the amplification of both 1056 and 1075 or leave 1056 just for preprocessing and letting 1075 do the amplification job?

    Reason I asked this - I don't have any knowledge about active crossovers or bi-wiring/bi-amping. I have recently started to read about this. I do not know if something of this sort can be done using 1056+1075. If I wanted/needed to such combination is it even possible/ recommanded / suggestable? What should drive the Subwoofer if both 1056 and 1075 are available?

    Please suggest. Thanks in advance

    - Scott
  • Marcel B
    Member
    • Nov 2004
    • 62

    #2
    I would start with a stereo amplifier for the Magnepan 12s (1080 ?).
    The 1056 can handle the other channels for now.
    or
    I would buy a bigger amp like the 1095

    What I mean to say is that looking at the specs (low efficiency etc) of the Magnepan 12s I don't think a 1075 would be the best choice as upgrade. The 1056 should be able to drive the rear channels, especially whn it only has to amplify these channels

    Marcel B

    Comment

    • scott555
      Junior Member
      • Dec 2005
      • 2

      #3
      Do I need 330w/Channel ?

      Thank you for the reply Marcel!

      The top three rows in rmb1095 specs look like this -

      Model RMB-1095
      Continuous Power Output (20-20 kHz, <0.03%) 5x200 watts /ch / 8 ohms
      DIN Power Output (1 kHz, 1%) 5x330 watts /ch / 4 ohms


      Does this mean that for 4 ohm speakers it can provide 330w/channel?
      What is DIN power? (This DIN power for 1075 is 5x200 watts, hence I thought of considering them ).

      what would be the primary gain of providing this much power - more definition/clarity or more loudness?

      Comment

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