Quote:
Originally Posted by 4N6
I am looking at upgrading the amplification for my 3.7's. I currently use the MC452 and notice that even this mighty amplifier is working hard with these speakers when playing loud or when the music has great dynamic swings. My preamp is the Mac C2300. I was considering the MC601's or the Bryston 28B SST2's. Anyone with experience with these amp/speaker combinations? Other powerful amps that have been found to be good matches? Thanks, my friends!
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I am very surprised that your MC452 is having difficulty driving your 3.7s. I use MC601's to drive my front 20.7's and, like you, the MC452 to drive my rear 3.7's. It is very rare for the average power level of the MC452 channels to exceed 100 W. As I have mentioned in another post the MC601 uses the same printed circuit board as the MC452. The MC452 PCB is not fully populated with the On Semiconductor ThermalTrak transistors (has 5/6 th of them) and at the level of the PCBs is actually nominally 500 W per channel (if the MC601 is considered to be 600 W).
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5.2 Theater Room McIntosh MC601's driving front Magnepan 20.7's, McIntosh MC452 driving rear Magnepan 3.7's, McIntosh MC601 driving center Magnepan CCR, 2 Paradigm Sub1 subwoofers, McIntosh MX151 processor, Panasonic PT-AE7000 projector, 2 Brüel & Kjær 4810 shakers, 2 Brüel & Kjær microphones, 2 Brüel & Kjær accelerometers, Puget Serenity very low noise computer, Agilent 34420A nanoVolt/microOhm meter, Agilent E4980A Impedance Analyzer, NI PCI-4461 Sound & Vibration analysis system, Michelson laser interferometer, MICA measurement cubes.
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