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Dummy load
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==Audio== {{see also|Thiele/Small parameters|Electrical characteristics of dynamic loudspeakers}} [[File:Resistor loads for amplifier test.jpg|thumb|upright|Four heavy duty dummy loads used at an amplifier shootout]] When testing [[audio amplifier]]s, it is common to replace the [[loudspeaker]] with a dummy load, so that the amplifier's handling of large power levels can be tested without actually producing intense sound. The simplest is a resistor bank to simulate the [[voice coil]]'s resistance. For loudspeaker simulation, a more complex network is more accurate, however, as actual loudspeakers are [[Reaction (physics)|reactive]] and [[non-linear]]. There are many designs for loudspeaker simulators, which emphasize different characteristics of the actual speaker, such as the [[voice coil]]'s inductance, mechanical suspension compliance, and cone mass.
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