Hellow! I have new unused speakers of FOSTEX: rp tweeter, rp-202 crossover lc network and 8" woofer but i cannot find ani information about them like a recommeded enclosure volume for woofer the model of woofer is rp202(20w06g). Can you help me please to get some information at least about the paramaters i will use them to calculate voliume of seal & ported box....