Sep 27, 2020

RightMark Audio Analyzer test report

Testing device SparkAmp Headphone Out -> Tascam DP24SD Record In
Sampling mode 16-bit, 44 kHz
Interface  
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 / -0.1 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.13, -0.34
Good
Noise level, dB (A)
-83.5
Good
Dynamic range, dB (A)
79.9
Average
THD, %
0.047
Good
THD + Noise, dB (A)
-63.1
Poor
IMD + Noise, %
0.063
Good
Stereo crosstalk, dB
-82.8
Very good
IMD at 10 kHz, %
0.065
Good
General performance
 
Good



Frequency response

Spectrum graph

From 20 Hz to 20 kHz, dB
-1.35, +0.13
From 40 Hz to 15 kHz, dB
-0.34, +0.13



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-81.7
-81.6
RMS power (A-weighted), dB
-83.5
-83.5
Peak level, dB FS
-66.8
-66.8
DC offset, %
-0.0
-0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+78.4
+78.5
Dynamic range (A-weighted), dB
+79.8
+79.9
DC offset, %
-0.00
-0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
+0.0473
+0.0460
THD + Noise, %
+0.0615
+0.0606
THD + Noise (A-weighted), %
+0.0706
+0.0692



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
+0.0640
+0.0628
IMD + Noise (A-weighted), %
+0.0531
+0.0525



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-76
-76
Crosstalk at 1000 Hz, dB
-82
-82
Crosstalk at 10000 Hz, dB
-80
-81



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.0707
0.0696
IMD + Noise at 10000 Hz,
0.0661
0.0655
IMD + Noise at 15000 Hz,
0.0587
0.0584