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Planar Speaker Asylum Welcome! Need support, you got it. Or share your ideas and experiences. |
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In Reply to: Then amplifiers with a high "damping factor" would be desireable? posted by HenryH on April 16, 2007 at 20:55:55:
Yes, IME with MG-20s, more damping by the amplifier is better. This is not so much a bass issue as it would be with cone woofers, since the Magnepan dipole design is unbaffled. However, mid-bass and midrange purity seem to get better if the amp can offer more effective damping of the internal acoustic resonances. This observation is based on my experiments with crossover topology as well as amp upgrades.Unfortunately, the high damping factor numbers quoted apply only to the deep bass. Amps with feedback may not exhibit good damping at the frequencies where Magnepans seem to need more control. The Gilmore Raptor monoblocks are switching amps with oversized linear power supplies and they give superb performance across the spectrum. They do not use feedback in the conventional sense and have very low output impedance.
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- Desireable, but not sufficient. - Al Sekela 16:32:26 04/17/07 (0)
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