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In the Forum: Audio Discussions
In the Thread: Marantz MA-9S2 Monoblock Amplifiers
Post Subject: Character/ConsistencyPosted by Paul S on: 3/18/2014
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Over the weekend I had and took a chance to hook the amps up to a giant and "difficult" pair of speakers. I was pleased with the results, when the meters were running much farther to the right than I ever see them do when they are driving my own speakers, and the listening room is also much larger than my own. We did not really push the system, but we clocked 101+ dB peaks from about 5 meters away. Another thing, the "guest" speakers present an entirely different load than my own speakers do. Throughout, giant sound and ambience from the giant speakers, and no signs of stress from the Marantz MA 9S2s that I can remember, except perhaps some undiagnosed muffling in the biggest tuttis (LP source), and the character (for better or for worse...) of the sound/these amps did not change over frequency range or volume/load. I think these things idle at 500W; but if I ever saw specs about where they kick into Class B, I don't remember. Anyway, no audible sense of this transition.

Sure, the best idea is to design the speakers and the amps together to suit a given room. Absent that, I like having amps that can handle what comes their way with aplomb.

Paul S

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