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Friday, May 20, 2011
Pat Brown
05/20/11 07:31 AM,
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Because the impedance of a loudspeaker is a frequency-dependent parameter, it must be measured at multiple frequencies to get a true picture of what the amplifier is “seeing” at its output terminals. While very sophisticated methods and instruments exist, you can get a pretty good idea about the impedance curve of a loudspeaker with a standard real-time analyzer. You will need a pink noise generator and voltage source of at least 10 volts RMS to drive the loudspeaker. A small…
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Tuesday, June 23, 2009
PSW Staff
06/23/09 08:05 AM,
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At the 2009 InfoComm in Orlando, Crown announced the latest update to its Macro-Tech i Series of amplifiers, featuring increased power and new dual port capability. Comprised of three models, the MA-5000i, MA-9000i, and MA-12000i, the Macro-Tech i Series features patented Class-I circuitry, which delivers greater power while reducing the amplifier’s weight by more than half. The new Macro-Tech i Series also features dual-port capability. An additional network port now allows a user to daisy chain the network control down…
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Tuesday, April 28, 2009
PSW Staff
04/28/09 08:24 AM,
2 Comments
The Crest Audio CC Series of power amplifiers has been joined by the new CC 5500, based upon the company’s Pro 200 Series technology and utilizing a linear power supply. It provides 5,500 watts of power at 4 ohms in bridged mono mode. All CC Series amplifiers offer Crest Audio-designed toroidal transformers as well as tunnel-cooled heat sinks, variable-speed DC fans and extensive protection circuitry for superior efficiency into difficult loads and power conditions. Further, the CC 5500 also boasts…
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Tuesday, February 17, 2009
PSW Staff
02/17/09 10:13 AM,
2 Comments
Atlas Sound is now shipping the latest model amplifier in its Strategy Series, the AA60, a flexible three-input channel mixer amplifier designed for distributed business paging and background music (BGM) systems, small to medium speech privacy systems, and in applications where music on hold (MOH) plus paging is required. Outfitted with a single microphone input and a pair of summing stereo line inputs, the AA60 amplifier from Atlas Sound is built using the same proven technology found in the Strategy…
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