| Re: Pi 7 and pi 6 [message #62706 is a reply to message #62685] |
Sat, 15 May 2010 18:07   |
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Wayne Parham
Messages: 18748
Registered: January 2001
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Illuminati (33rd Degree) |
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Both the six π and seven π cornerhorns have similar response, a slightly overdamped alignment which results in a gentle, gradual rolloff curve. This alignment is pretty room friendly, and tends to sound smooth in most rooms but, of course, some rooms are more troublesome than others. Where room modes are a problem, I would suggest running multiple subwoofers blended with the mains.
The choice of woofer isn't really a matter of alignment or room loading, since each of them are similar, with the same slightly overdamped response. The biggest differences are in cost and other things. Here is a sort of overview of each woofer option:
- Delta 12LF (used in the entry level three π and six π speakers) - ample bass, reasonably smooth midrange and very cost effective
- Omega 15A (used in the entry level four π and seven π speakers) - cast basket, higher efficiency and power handling
- TD12S (used in the high-end three π and six π speakers) - much smoother midrange, lower distortion and better thermal control
- 2226H (used in the high-end four π and seven π speakers) - much smoother midrange, lower distortion and higher efficiency
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