Sony HAP-S1 High-Resolution Audio Player Test Bench

Test Bench

414sonyhap.meas.jpg

This graph shows the HAP-S1’s left channel, from Line1 input to speaker output with two channels driving 8-ohm loads.

Speaker output for 4-ohm loads is shown in the chart below. [Editor’s Note: The HAP-S1 does meet Sony’s unambitious (and unconventional, for the U.S.) specification calling for 40 watts per channel into 4 ohms at an unusually high 10% distortion. Our standard 8-ohm measurements, taken at both 0.1% and 1% distortion, give a more realistic reflection of the amp’s capabilities with common speaker loads.—R.S.]

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Measurements for THD+noise, crosstalk, signal-to-noise ratio, and analog/digital frequency response were all within expected performance parameters.—MJP

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