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In Reply to: RE: Revel F52`s and Horizontal Bi-Amping posted by s-a-k on September 13, 2016 at 16:42:07:
Using the speaker level crossover to biamp is not exactly a crossover in the pure sense. What it actually is, is two parallel filters (one HP and one LP) with no crossing over of the signal. In other words the HP filter dumps the low frequency signal to ground and the LP filter does the same with the high frequency whereas in a line-level crossover the "rejected" low frequency signal from the HP is directed to the woofer and vv for the high frequency signal from the LP.
Just for clarification, a speaker-level crossover is passive but a line-level crossover can be either active (ALLXO) or passive (PLLXO). The term passive crossover is often taken to mean speaker-level but that is not correct.
While there is nothing wrong with using the speaker-level crossover, it does not have the same performance and advantage of an line-level crossover. It is much simpler to implement. Rod Elliott has a nice article which explains the niceties and complexities of line-level biamping.
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Follow Ups
- RE: Revel F52`s and Horizontal Bi-Amping - neolith 17:56:18 09/13/16 (2)
- Unless he can find an active crossover that matches the eq, and slopes of the passive OEM item - Timbo in Oz 02:19:13 09/14/16 (1)
- I agree. - neolith 04:38:56 09/14/16 (0)
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