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Saturday, May 01, 2010
Bruce Bartlett 05/01/10 11:54 AM,In designing a live sound system, you’ll come up with all sorts of questions, such as: One power amplifier is rated at 1,000 watts, and a different brand is also rated at 1,000 watts. Do they actually produce the same power? Suppose you add more loudspeakers in parallel to a power amp output. Does the amp produce more power, less power, or the same? Does each loudspeaker have to handle more or less power as you add more loudspeakers? To… View this story
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Filed in: Live Sound • Feature • Study Hall • Amplifier • Education • Power • Signal • Sound Reinforcement -
Tuesday, March 09, 2010
Jon Baumgartner 03/09/10 03:42 PM,At some point in the past, certain power amplifier manufacturers got hip to the fact that the only specification most power amp buyers pay attention to is wattage. Sadly, they decided that misleading specs were OK as long as it created better sales. Hmm…. For purposes of our discussion, let’s consider two amplifiers. Amplifier A is rated at 1,000 watts (per side), into a 2-ohm load, with .1 percent Total Harmonic Distortion (THD), measured at 1 kHz, while Amplifier B… View this story
Filed in: Live Sound • Church Sound • Feature • Study Hall • Amplifier • Audio • Education • Installation • Power • Sound Reinforcement
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