speaker cabinet crossovers

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Posted by ErikFlipside on September 04, 2002 at 22:45:07:

i've been working on adding a 115 cabinet to my current bass rig, but didn't want to spend $600-800 on a new ampeg cab, so i'm building my own instead. i figure i can do just as well and get more or what i want. i do know what i'm doing for the cabinet design. However, i've hit a roadblock with electronics. my bass head has two speaker outputs (8 Ohms i believe), one will go to my Ampeg SVT 86 cab (not on ampeg's website???) and the other to the 115 cab...

I need a crossover system to send everything below 1KHz to the 115 cab, and everything above 1KHz to the 86 cab AND still have the ability to switch the 86 back to full-range for recording situations. the 115 is for live only.

I don't really know where to even start...I've seen some passive 2 and 3-way crossovers, but aren't those are for speaker cabinets that have multiple speakers in one cabinet? For the 115 I would like a low-pass filter @ 1KHz that can be cabinet mount ready since it's never going to be used in full-range. For the 86, i'd like to go with a 1KHz high-pass that's in-line and will accept 1/4" jacks for the ins and outs, thus giving me the ability to bypass the filter and go back to full-range for recording situations. For the actual crossover point, I would be willing to go as high as 1.5KHz...that 86 cab sounds amazing for the mids and highs, but doesn't have a lot of "umph" where it counts (actually, it starts to distort at loud volumes).


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