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    MEASUREMENTS

    Feb 08, 2022 4 minutes
    —John Atkinson

    measured the darTZeel NHB-108 model two with my Audio Precision SYS2722 system—see the January 2008 As We See It.1 I performed the measurements using the balanced (XLR) and single-ended (RCA) inputs and left the internal jumpers as they had been set. To avoid triggering the amplifier’s protection circuitry, I turned it off before changing the inputs during the measurements. (The amplifier took a relatively long time to stop passing signal when turned off, which implies that the power supply has a lot of capacitance.) Before starting the testing, I followed the CEA’s recommendation by preconditioning the amplifier

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