Dear Srajan, I've followed your subwoofer adventures and had a question. Those directional subs you like are passive. I know that you use the outboard icOn filter. But what do you recommend as the power amplifier to drive the woofers? Thanks very much, Christian
You're correct that neither the sound|kaos nor ModalAkustik Ripol subs include electronics inside their 'box' because exposing electronics to high air pressures is usually not the best of ideas. The icOn range of Gradient Boxes is growing and the designer already announced a third simplified version for later in Q1. For amplifiers anything of sufficient power and no noise will do. I get excellent results from a legacy Goldmund Job 225, a 125wpc class AB amp which at the time sold for €1'295. A lot of affordable 100-250wpc class D amplifiers should work really well. Whatever you pick won't work above ~100Hz in most scenarios so class D's high damping and negative feedback actually are quite ideal. Srajan
