RKB-650 or RMB-1066

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  • howzitwerk
    Junior Member
    • Dec 2006
    • 11

    RKB-650 or RMB-1066

    does anyone know the difference between these amps?

    I'm building a pair of Linkwitz Orion, I need this power range and
    multiple channels, at least 8 total. I can get 2 of either of these,
    and use the extra channels for subs later or something;

    or I could get a RKB-650 and a RKB-250, that would work too since the
    amps have the same voltage gain. That would be about the same price as
    2 RMB-1066. Two RKB-650 would be about $350 more, but I'd get 4 more
    channels for that $350. That's not a bad deal if it is a better amp than
    the 1066.


    I have a RKB-650 at home right now, at first glance it sounds pretty dang
    good. I had a RMB-1075 for a month, I notice a difference and I think I like
    the RKB-650 better, but it's only been here for half a day so far so I can't
    be too sure yet.

    The Orion is a fully active system, so each amp sees only one driver load
    with no crossover. Siegfied Linkwitz said the power supply handling transients
    would be his only concern with these amps. I don't think he believes it's
    a problem, I think he just doesn't know for sure.
  • Kevin D
    Ultra Senior Member
    • Oct 2002
    • 4601

    #2
    I can't imagine Rotel re-engineering everything just to rack mount things. They should sound close to the same as their other amps.

    Of course if you don't have a rack, the 10 series look a lot better.



    Kevin D.

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