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twalkonline

KP 301 KP3.0A crossover questions

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I feel like an archeologist, unearthing things that no living person has ever seen!

First, does anyone have a schematic for this crossover? That would probably answer my questions. I found one for the KP 301-II, but this is different in several ways. I expected this one to look like a KP 201, crossover, but it does not.

I don't see anything I recognize as a poly switch, although there are a couple of components in the tweeter circuit that I can't identify. They are epoxy potted in little black plastic cases and have no markings. Anybody know what these are? This version does not have separate HF and LF inputs for bi-amping, but it has a separate fuse for the tweeter.

Would appreciate comments...

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After tracing the circuit, I've determined that the black epoxy potted mystery components have to be capacitors. Am guessing at values. The other caps are labeled 4J. Can't remember how that translates to uF.

Hope my sketch of circuit is legible...

post-51126-0-50980000-1387654101_thumb.j

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I believe Bob Crites has the schematic. There's also a general schematic thread somewhere with many drawings. I know there's a 301 drawing in it but I don'y know if it's a 1 or a 2. You might try searching for it.

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