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The problem is ...

Posted by Paul Joppa (P) on May 25, 2015 at 17:32:29

In Reply to: CCS loaded parafeed finals: how is parafeed cap value determined? posted by deathtube 667 on May 25, 2015 at 13:06:09:

... the inductance of the output transformer primary varies over a wide range depending on frequency and signal level. The other problem is, the transformer losses (copper loss, eddy current loss, and core loss) are substantial enough that they must also be included if you are to calculate an accurate value for best bass extension.

For an active crossover, where you know there will be no deep bass, you can follow drsx's advice and set a first order highpass just low enough to not affect the crossover. You can even use that pole as part of the crossover.

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