Home > General > HifiDIY ES9018 DAC Measurements

HifiDIY ES9018 DAC Measurements

When I asked HifiDIY if it would be possible to do some measurements on the board they were going to sell me (see here [link]), they agreed and they sent me the results. Here are the measurement results:

Source level, bit depth and sample frequency

  • 0dBFS = 18.65dBu =0dBr, 24Bit/48kHz
  • Spdif input

S/PDIF Input Lock Range (the only input to the board is SPDIF)

  • Lower 30mV (P-P), 5nS Rise
  • Typical 200mV (P-P), 60nS Rise
  • Upper 2V (P-P), 100nS Rise

Dynamic Range

  • 131dB, -90dBFS, A-Weighted
  • 128dB, -90dBFS, Unweighted

IMD

0.0003% (-110dB) @ CCIF / 20kHz BW Unweighted

IMD-CCIF

0.0001% (-119dB) @ SMPTE / 20kHz BW Unweighted

IMD-SMPTE

THD+N

0.00065% (-104dB )@ 1kHz / 20kHz BW Unweighted

THD+N

Noise

2.5uV RMB (-110dBu) @ 20kHz BW Unweighted

NoiseU

2uV RMB (-112dBu) @ 20kHz BW A-Weighted

NoiseA

Cross-talk

-152dB @ 1kHz, -160dB @ 20Hz, -120dB @ 20kHz (Worst Case)

ct

Amplitude Linearity

Deviation +/-0.1dB @ -120dBFS
Deviation +/-0.5dB @ -133dBFS

Linearity

JITTER MEASUREMENTS

I am not quite familiar with these measurements. Thus, not quite sure how to interpret these numbers and how they compare with other DACs.

J-Test

jtest

Inferred Jitter

52pS (P-P) @ 5.1Hz Sideband

 IJ5.1

4.8pS (P-P) @ 42.1Hz Sideband

IJ42

Jitter Rejection

82dB (>10 000 Times Attenuate Jitter)

JR

  1. Marco ter Bekke
    August 1, 2014 at 21:25

    Does anyone know what measurement software was being used for measurement?
    I don’t recognize it, but it looks nice and of high quality. Very interested in this!

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