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I'd like to use "flanking subs" for the 4pi's I'm building. I already own/built one of these- Scan-Speak Discovery 30W 12" Subwoofer Kit with Passive Radiator Does this seem like a good sub to go with the 4 pi's, or must I use the 3 pi subs? It would be easy enough for me to buy/build one more.
Those will probably work fine. The requirements of a sub are pretty simple - It's just gotta be powerful and clean. Be sure and search the forums here for flanking sub crossover possibilities. Sounds like you're going to have an excellent system!
So I've decided not to build another passive radiator sub, like the one I own/describe above, to use in a flaking sub config. Instead, I'd like to build two, 3pi subs, and I'm starting to put some more thought into how I'm going to hook them up once built. I'd like to use my upgraded Adcom 555 ss amp to power them up, so I must decide on a crossover/attenuator. Has anyone used the RCA inline filters? It looks like they use a 12db slope, and are available in 50, 80, and in the case of flanking subs, 100 and 120Hz low pass. Regards!