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In Reply to: RE: Parasound amp/preamp vs Emotiva posted by pictureguy on October 29, 2014 at 16:01:34
Here is the impedance curve from Stereophile's test report. The dotted line represents electrical phase, which appears to reach a minimum of -40° at 60-Hz and a maximum of +36° at 40-kHz. It was about 5° at 1000-Hz where I tested it with tone bursts.
Follow Ups:
-40 degrees at <4ohms? Not AWFUL but not an easy load, either. at about 60hz.
And from 100hz to 20k at <4ohms? Not my idea of a fun speaker to drive.
Your 1k test point at -5 degrees is about a close to resistive as you are likely to find, and therefore the EASIEST load for any reasonable amp to drive.
Too much is never enough
The Thiels are a piece of cake for the Parasound Halo A21. They sound great with fantastic clarity and spectacular dynamic range. This is the best sounding system I've ever owned and one of the best I've ever heard.
Best regards,
John Elison
I'm likewise having terrific results with my panels and a PAIR of the A23. Biamping the Magnepan 1.6 is easy.
Later? delete the internal crossover and go PLLXO. With my short runs, it should be a piece of cake. If I had long runs, It go ACTIVE and BALANCED.
Too much is never enough
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