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In Reply to: RE: Summary article on importance of transients over pitch posted by Satie on September 16, 2014 at 22:31:58:
You're incorrect with you analysis of the componetry of the Froy crossover. The midbass filter has no (specific) components for impedance adjustment. There's a notch filter consisting of the LC and the CR network forms the 4th order acoustic rolloff in conjunction with L1.
It's incorrect to label the LP and HP as 1st-order and 3rd-order respectively. The electrical networks look that way, but the acoustic design of the Froy is an LR4 design at 2.2khz. All LR4 crossovers have a 360 degree phase rotation at the crossover frequency. It's a defined characteristic of this design.
The bass roll-off would follow the typical vented-box characteristic. Your statement should read "If you use the subwoofer at a 'high' enough freq then you will have 'minimal' phase effects."
There's nothing wrong with the Froy design with respect to phase response. It's as expected.....for what it is.
Cheers,
Dave.
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Follow Ups
- RE: Summary article on importance of transients over pitch - Davey 07:48:10 09/17/14 (4)
- RE: Summary article on importance of transients over pitch - Satie 12:01:43 09/17/14 (3)
- RE: Summary article on importance of transients over pitch - Davey 18:14:22 09/17/14 (2)
- RE: Summary article on importance of transients over pitch - Satie 21:43:25 09/17/14 (1)
- RE: Summary article on importance of transients over pitch - hahax@verizon.net 21:07:52 09/19/14 (0)
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