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Junior Varsity
Power amplifier sensitivity question....
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<blockquote data-quote="Michael John" data-source="post: 49930" data-attributes="member: 830"><p>Re: Power amplifier sensitivity question....</p><p></p><p>Looking then at how to set peak limiters in the speaker processor.... </p><p></p><p>There's effectively two sources of amp clipping - the input circuitry and the output stage. The maximum input level is often given in the amp specs, but the maximum output voltage isn't. It often has to be inferred from the rated maximum power output numbers and then factored back through the amp gain and attenuation level setting to get an input voltage that will clip the output.</p><p></p><p>(The peak limiter then can be set as the minimum of the maximum input level and the input voltage that will clip the output. And it may need to be reduced further taking into account the driver excursion limit.)</p><p></p><p>It would great if amp manufacturers simply quoted maximum output voltages. (Lab Gruppen do - the PLM 10k and 20k state 153 volts.)</p><p> </p><p>Best,</p></blockquote><p></p>
[QUOTE="Michael John, post: 49930, member: 830"] Re: Power amplifier sensitivity question.... Looking then at how to set peak limiters in the speaker processor.... There's effectively two sources of amp clipping - the input circuitry and the output stage. The maximum input level is often given in the amp specs, but the maximum output voltage isn't. It often has to be inferred from the rated maximum power output numbers and then factored back through the amp gain and attenuation level setting to get an input voltage that will clip the output. (The peak limiter then can be set as the minimum of the maximum input level and the input voltage that will clip the output. And it may need to be reduced further taking into account the driver excursion limit.) It would great if amp manufacturers simply quoted maximum output voltages. (Lab Gruppen do - the PLM 10k and 20k state 153 volts.) Best, [/QUOTE]
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