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Williams, 1990You're currently viewing posts by Pinsider thedefog.
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This is a crossover to filter out high end, a low-pass filter. Normally, you would use a single bipolar electrolytic cap, but they are more expensive, so you can just wire two normal ones like this to make a bipolar one.
In other words, it isn't necessary to make the speaker work properly. A passive cross-over like this would alter the impedance, because impedance changes with frequency. AC is a confusing thing.
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