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RE: Which of those requirements would you attribute to the downfall (according to you) of Soulution amp?

Umm actually they are the poster child for wrong measurements. Look here:
http://www.stereophile.com/content/soulution-710-power-amplifier-measurements

I will explain. 1) downward sloping distortion with increasing power = high negative feedback design. 2)Increasing distortion with increasing frequency. The best sounding amps have a flat distortion vs. frequency plot. 3) FFT spectrum of 1Khz shows significant distoriton products to at least the 9th harmonic with odd harmonics dominating, so it is not monotonic, i.e. decreasing sharply with increasing order.

So, it is violating most of my measurement "shoulds" but I guess it must have a big power supply but runs only a bit in Class A I suppose.


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  • RE: Which of those requirements would you attribute to the downfall (according to you) of Soulution amp? - morricab 14:58:24 06/18/12 (0)

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