LABORATORY TEST REPORT

Steve Holding

Newport Test Labs measured the frequency response of the Rogers LS5/9 as being 65Hz to 21kHz ±4dB with the tweeter’s level set to 0dB, which is the response that’s shown in Graph 1. You can see that the frequency response almost tracks the 90dBSPL graphing line right up to 6.5kHz after which there’s a slight lift in the tweeter response that comes back down to the 90dBSPL line at about 12kHz then drops below it and remains at the same level out to 18kHz after which it starts rolling off. If one were to remove this lift between 6.5kHz and 12kHz, the overall frequency response would have been 65Hz to 21kHz ±3dB. You can see that the response is spectrally balanced, and across the most important region of the audio…

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Australian HiFi (Digital) - 1 Issue, July - August 2021

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