RightMark Audio Analyzer test report

Testing device A-1000 HiFi Retro Mod - Preamp
Sampling mode 24-bit, 96 kHz
Interface  
Testing chain External loopback (Aim SC 808 - Yamaha A-1000 - Aim SC 808)
RMAA Version 6.4.5
   
   
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change 0.4 dB / 0.7 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.03, -0.07
Excellent
Noise level, dB (A)
-93.2
Very good
Dynamic range, dB (A)
92.1
Very good
THD, %
0.00766
Very good
THD + Noise, dB (A)
-78.9
Average
IMD + Noise, %
0.013
Very good
Stereo crosstalk, dB
-75.7
Very good
IMD at 10 kHz, %
0.013
Very good
General performance
 
Very good



Frequency response

Spectrum graph

 
Left
Right
From 20 Hz to 20 kHz, dB
-0.12, +0.03
+0.19, +0.33
From 40 Hz to 15 kHz, dB
-0.07, +0.03
+0.24, +0.33



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-88.0
-87.7
RMS power (A-weighted), dB
-92.9
-93.5
Peak level, dB FS
-71.5
-75.0
DC offset, %
-0.0
-0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+86.8
+87.9
Dynamic range (A-weighted), dB
+91.5
+92.7
DC offset, %
-0.00
+0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
0.00742
0.00790
THD + Noise, %
0.01120
0.01084
THD + Noise (A-weighted), %
0.01129
0.01137



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
0.01396
0.01180
IMD + Noise (A-weighted), %
0.00825
0.00760



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-68
-73
Crosstalk at 1000 Hz, dB
-82
-67
Crosstalk at 10000 Hz, dB
-63
-47



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.01158
0.01198
IMD + Noise at 10000 Hz,
0.01219
0.01216
IMD + Noise at 15000 Hz,
0.01477
0.01448