Posted by ErikFlipside on September 04, 2002 at 22:45:07:
i've been working on adding a 1×15 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 8×6 cab (not on ampeg's website???) and the other to the 1×15 cab...
I need a crossover system to send everything below 1KHz to the 1×15 cab, and everything above 1KHz to the 8×6 cab AND still have the ability to switch the 8×6 back to full-range for recording situations. the 1×15 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 1×15 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 8×6, 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 8×6 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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