RightMark Audio Analyzer test report

Test by JavaScience Consulting June 10, 2013

Testing device QuadBuffer Headphone Amp 10ohm loads + 10db Post Amp Vin=0.75Vp
Sampling mode 16-bit, 44 kHz
Interface Creative X-Fi Elite Pro Sound Card
Testing chain External loopback (line-out - line-in)
RMAA Version 6.2.3
   
   
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change -0.0 dB / -0.0 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.02, -0.10
Excellent
Noise level, dB (A)
-96.0
Excellent
Dynamic range, dB (A)
96.0
Excellent
THD, %
0.0010
Excellent
THD + Noise, dB (A)
-89.4
Good
IMD + Noise, %
0.0044
Excellent
Stereo crosstalk, dB
-95.4
Excellent
IMD at 10 kHz, %
0.0047
Excellent
General performance
 
Excellent



Frequency response

Spectrum graph

From 20 Hz to 20 kHz, dB
-0.23, +0.02
From 40 Hz to 15 kHz, dB
-0.10, +0.02



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-95.0
-94.5
RMS power (A-weighted), dB
-96.1
-95.9
Peak level, dB FS
-79.5
-79.5
DC offset, %
-0.0
-0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+95.0
+94.8
Dynamic range (A-weighted), dB
+96.1
+95.9
DC offset, %
-0.00
-0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
+0.0010
+0.0010
THD + Noise, %
+0.0037
+0.0038
THD + Noise (A-weighted), %
+0.0034
+0.0034



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
+0.0044
+0.0045
IMD + Noise (A-weighted), %
+0.0039
+0.0039



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-98
-99
Crosstalk at 1000 Hz, dB
-94
-95
Crosstalk at 10000 Hz, dB
-93
-87



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.0047
0.0048
IMD + Noise at 10000 Hz,
0.0047
0.0046
IMD + Noise at 15000 Hz,
0.0047
0.0046