Articles of interest to musicians: The PM-150 Audio Power Meter FAQ How the PM-150 works and why it's good for you! An Explanation of RMS Power Measurement How is power measured? This article tells you. The Effect of Cable Capacitance on Guitar Tone Capaciwhat? It does affect your tone, but not exactly how you expect. The How's and Why's of Ground Loops Huummmmmm... This is where the hum comes from. What's with the Tube Hype? Like so many things, good sound is part fact, part fiction. What About Gold Connectors and Oxygen Free Copper? More fact and fiction. The Musician's Impedance Primer For the musician with a calculator in his cell phone. What Do Speaker Impedances Mean? How do you hook up all those speakers to maximize sound and minimize smoke? How do guitar pickups work? We love 'em, they sound great, but how do they work? What Do Guitar Tuner Accuracy Specs Mean? Cent, cents, and millicents. What's the value? Also check out our contest winning guitar effects controller.