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Greetings from Oz
I'm trying to learn more about crossover design, although I'm not in a position to do it properly as I don't have measuring equipment and my copy of Speaker Building 201 got lost somewhere in the international mail.
I've seen a few forum posts where people say never to use a series resistor with a woofer as it will get hot and become a fire hazard.
However, I've seen at least two three-way designs which have a series resistor as the first component in the mid circuit. In one case, the mid was a Vifa TC-9, in the other, a Peerless 830656 mid. In each case, the second series component was a capacitor.
I'm not sure if it's appropriate to show the circuits as they're someone's intellectual property.
My question is: why isn't the series resistor in those circuits a fire hazard?