-
Thursday, May 24, 2012
Tommy O’Brien 05/24/12 09:11 AM,Now that Class-D power amplifiers are common in professional audio, much attention has been directed toward their performance compared to conventional analog amplifiers. Let’s briefly address the question of what Class-D means in order to clear up any confusion, because marketing people have conjured up several fictitious designations. An amplifier that uses its output devices as switches is Class-D. It’s as simple as that. Everything else is analog, so “analog amp” means “not a switching amp.” The phrase “conventional amp”… View this story
Filed in: AV • Feature • Poll • Study Hall • Amplifier • AV • Audio • Power -
Thursday, March 10, 2011
Chuck McGregor 03/10/11 05:54 PM, 0 CommentsWHAT DAMPING DOES: The main effect of damping in a loudspeaker is to reduce the SPL produced by the loudspeaker’s diaphragm moving because of its own inertia after the signal stops. The frequency of the sound it produces with this movement will be at the resonant frequency of the moving system. A common term for this is “overhang,” and in severe cases, this can translate into “one note bass.” TYPES OF LOUDSPEAKER DAMPING: There are two types of loudspeaker damping:… View this story
Filed in: AV • Feature • Poll • Study Hall • AV • Audio • Loudspeaker • Measurement -
Monday, March 07, 2011
Michael MacDonald 03/07/11 05:24 PM,Almost everybody in the pro audio business is a specification or “spec” junkie. From folks on the recording side to the sound reinforcement practitioners, we all want every detail of the technical performance of every piece of equipment in a system. Specs seem extremely important, particularly those that represent a numerical improvement from past products, which are heralded as an advantage. But man cannot live by specs alone. Quite often, those who turn to specifications to answer questions should instead… View this story
Filed in: AV • Feature • Opinion • Product • AV • Audio • Line Array • Loudspeaker • Sound Reinforcement • Subwoofer
Page 1 of 1 pages
