5. Measurement

Audio Performance Check

ADAU1452 DSP, AK5554 ADC 96kHz Sampling, Signal Source S.M.S.L DO100 pro

Analog Input (RCA-pin) to S/PDIF Output, Signal Source S.M.S.L DO-100 pro

ADC Input to S/PDIF Output Frequency Response

ADC Input to S/PDIF Output Distortion @ 1kHz

ADC Input to S/PDIF Output Remain Noise

---

Power Amplifier

S/PDIF Input to Speaker Output Distortion (0dBFS = 18W, Load=8ohms)

S/PDIF Input to Speaker Output Distortion (-6dBFS, Load=8ohms)

Speaker Output Distortion (-12dBFS, Load=8ohms)

Speaker Output Remain-Noise (4ohms Loaded)

S/PDIF Input to Speaker Output Frequency Response (Load = 8ohms)

S/PDIF Input to Speaker Output Frequency Response (Load = 4ohms)