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Hi, I'd like to try buiding my own pro audio 2 way. I've read that using larger 12" and 15" woofers requires a compensation network. What is a compensation network and what does it do? Thanks.
Compensation networks are electronic EQ and/or impedance compensation devices. An example is a Zobel circuit, which is used to remove a response peak that would otherwise result from the interaction of capacitance in a passive crossover and the speaker's voice coil. Another example is horn compensation. See the response curve of the tweeter circuit of a π Speaker using a compression horn: Response curve for HF circuit of π Crossover For more information, see the links on the post called "A few useful documents."