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Original Message
Tympani IVa active crossover.
Posted by SteveJewels on January 30, 2021 at 18:42:26:
I took your recommendation seriously @Roger Gustavsson. Rather then go to all the expense of upgrading the existing crossovers I will go active. I ordered a Nelson Pass designed DIY active crossover. He calls it the DIY active 6-24.
It is a 2-way complete stereo crossover which has 6, 12, 18 and
24 dB/octave slopes and filter poles independently adjustable over a
6:1 frequency range.n You are probably familiar with it.I built one of Wayne Colburn's Pass Pearl II phono preamplifiers and am very pleased with the results so I will have a go at this.
I may start with a DBX Venu360 to narrow down where to start with the 6-24.
I am looking for suggestions for crossover freqs and slopes for bass and mid. It will be a two-way active for the mid-bass and a passive for the mid-tweeter. The mids will be B&G RD75's.