Well, a while ago i wanted to build Troels Ekta speaker. I've got all the required drivers and... stuck on crossovers - i was totally unhappy to spend ca. $500 for passive crossover parts, so i decided to go active.


The drivers are:
 - Vifa XT25TG30
 - Scan Speak 12M/4631
 - Scan Speak 18W/8531