Posted by Wayne Parham [ 70.128.102.9 ] on April 22, 2007 at 11:33:21:
In Reply to: Re: New 10π basshorn subwoofer - Check it out posted by Tim Barnes on April 22, 2007 at 09:39:20:
Only the 12π basshorn sub uses push-pull drive at this time. The 10π will also.
When I considered push-pull for seven π cornerhorns, I realized that the top of the line model already has a mechanism for reducing distortion caused by flux modulation, so push-pull drive wouldn't be as effective for it. The woofer used in the Professional Series seven π uses a shorting ring that is effective down to below 100Hz. Shorting rings begin to lose effectiveness at subwoofer frequencies, so I'm not sure they make sense for dedicated subwoofers but for the bass bin of a cornerhorn, flux-stabilized woofers are perfect.
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