Recent content by F.Calabrese

I forgot to post the SPL and distortion at (very) high level, measured with B&K microphones at 1m. Two sub far from walls simulate one sub against front wall.

I am a speaker designer from 1978. Nowadays I use a couple of (horn) subwoofers, one against the front wall, the other on the back wall, opportunely phased and delayed to cancel the first room resonances. The results are visible in the two graphs below: the first shows responde including direct...

By side: this is the fonometric measurement with Another Brick in The Wall by Pink Floyd (B&K SLM)

I was building the second FullHorn (see picture below) with 139 dB peak pressure capability, measured inside at 8 meters distance. In the picture you don't see the midrange horns as the picture is taken the firsta day at home... Best regards F.C.