Taking apart a circuit board or module and reconstructing its complete schematic is a valuable skill. We can see how someone designed circuitry to gain ideas that can be applied to our work. And ...

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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 ...

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 ...