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  • Stereophile

    MEASUREMENTS

    Mar 08, 2022 3 minutes
    —John Atkinson

    I used DRA Labs’ MLSSA system, an Earthworks microphone preamplifier, and a calibrated DPA 4006 microphone to measure the Vivid Audio Kaya S12’s farfield behavior, and an Earthworks QTC-40 mike for its nearfield responses. I left the vestigial grilles that cover the two drive units in place for the measurements. I used Dayton Audio’s DATS V2 system to measure the impedance magnitude and electrical phase angle.

    Vivid specifies the Kaya S12’s sensitivity as 87dB/2.83V/m. My B-weighted estimate was inconsequentially lower, at 86.3dB(B)/2.83V/m. The Kaya S12’s impedance is specified as 8 ohms, drops to 3 ohms between 161Hz and 186Hz, with values of 3.6 ohms in the midbass and upper midrange. The Kaya S12 will work best with amplifiers that are not fazed by 4 ohm impedances.

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