Gigaworks DAC modified with Cirrus Logic example output filter and GD-Earth HDAM discrete output

RightMark Audio Analyzer test report

Gigaworks DAC modified with Cirrus Logic example output filter and GD-Earth HDAM discrete output
Testing devicegigaworkcirrusgdearthgnd
Sampling mode24-bit, 44 kHz
Interface
Testing chainExternal loopback (line-out – line-in)
RMAA Version6.1.2
20 Hz – 20 kHz filterON
Normalize amplitudeON
Level change-0.3 dB / -0.3 dB
Mono modeOFF
Calibration singal, Hz1000
Polaritycorrect/correct

Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.04, -0.34
Very good
Noise level, dB (A)
-110.2
Excellent
Dynamic range, dB (A)
110.2
Excellent
THD, %
0.0014
Excellent
THD + Noise, dB (A)
-93.0
Very good
IMD + Noise, %
0.0026
Excellent
Stereo crosstalk, dB
-107.1
Excellent
IMD at 10 kHz, %
0.0025
Excellent
General performance
Excellent

Frequency response

Spectrum graph
From 20 Hz to 20 kHz, dB
-0.66, +0.04
From 40 Hz to 15 kHz, dB
-0.34, +0.04

Noise level

Spectrum graph
Left
Right
RMS power, dB
-104.1
-102.9
RMS power (A-weighted), dB
-110.1
-110.2
Peak level, dB FS
-86.9
-85.0
DC offset, %
+0.0
+0.0

Dynamic range

Spectrum graph
Left
Right
Dynamic range, dB
+104.3
+102.8
Dynamic range (A-weighted), dB
+110.1
+110.2
DC offset, %
+0.00
+0.00

THD + Noise (at -3 dB FS)

Spectrum graph
Left
Right
THD, %
+0.0013
+0.0014
THD + Noise, %
+0.0020
+0.0024
THD + Noise (A-weighted), %
+0.0020
+0.0024

Intermodulation distortion

Spectrum graph
Left
Right
IMD + Noise, %
+0.0024
+0.0027
IMD + Noise (A-weighted), %
+0.0016
+0.0018

Stereo crosstalk

Spectrum graph
Left
Right
Crosstalk at 100 Hz, dB
-108
-107
Crosstalk at 1000 Hz, dB
-107
-106
Crosstalk at 10000 Hz, dB
-88
-87

IMD (swept tones)

Spectrum graph
Left
Right
IMD + Noise at 5000 Hz,
0.0024
0.0026
IMD + Noise at 10000 Hz,
0.0024
0.0026
IMD + Noise at 15000 Hz,
0.0024
0.0026

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