All, I posted this at DIYMA, and didn't get too may helpful responses, so figured I'd ask the Hive Mind. Back in the '90s, I used to set amp gains by turning the level pot all the way up and then ...

Andrew Welker, Axiom Audio Design Engineer, explains the subwoofer controls and amplifier settings on the back panel of powered subwoofers, and offers advice on what you may need to adjust. The first ...

It could pop with a less powerful amp. I think a lot of people who have concerns about this sort of thing make use of voltage limiters. If you're using p.a. equipment, you may already have a limiter.

Snell Acoustics introduces an external subwoofer amplifier, the SPA200 , for use with their passive in-wall subwoofers.The SPA-200 is a 19-inch rack mountable amplifier to match up with Snell's ...