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When you're replacing a passive network with an active crossover before the power amps, I think the benefits can be immediate and the setup is relatively easy*...or at least experimentation is, and...

Ashly active, yep, doing only the low-pass to the woofers @ 800Hz. When I try to use it for both highs & lows, though, I can't seem to get it to:

1] not have some overlap with the passives still...

Nothing conclusive here, but just as a point of reference:

I'm running 4333As bi-amped, currently in a sort of combo active/passive setup that may shed some light on this question. The signal...

Do-over! Yeah, we went for the easiest approach that day, for the sake of expedience & level matching. A true shootout should have given more prep time, and kept the focus on only those two systems...

Thanks for the reply! I knew the HP420 was a European design, that's why I was a bit surprised to read that you worked on "HP"s, but I guess this clarifies that - I'd never heard of the "HP-8B" etc....

Interesting- this is the first time I've waded through this entire thread sequentially, I'd never caught this before. I'm the one that hosted the L7/4333A shootout last November, and also got to...

Sorry, I guess I mis-read your post.

Carry on...

I'm not familiar with these crossovers, how hard would it be to remove it & repair it?

je

Why assume? Swap the mids between cabinets and see if the problem moves with the mid (bad mid) or stays with the cab (bad crossover or wiring).

je