Appendix B: Linearity and THD vs. Frequency Sweep
12
Servo-550 Linearity (0 dB Ref) and THD+N vs. frequency sweep (10 Hz - 50 kHz)
5.0000
4.0000
3.0000
2.0000
1.0000
0.0
-1.000
-2.000
-3.000
-4.000
-5.000
10
100
1k
10k
50k
Ap
AUDIO PRECISION Servo 550 LEVEL(dBr) & THD+N(x) vs FREQ(Hz)
0dB ref
1.000
.9000
.8000
.7000
.6000
.5000
.4000
.3000
.2000
.1000
0.0
Servo-260 Linearity (0 dB Ref) and THD+N vs. frequency sweep (10 Hz - 50 kHz)
5.0000
4.0000
3.0000
2.0000
1.0000
0.0
-1.000
-2.000
-3.000
-4.000
-5.000
10
100
1k
10k
50k
Ap
AUDIO PRECISION Servo 170 LEVEL(dBr) & THD+N(x) vs FREQ(Hz)
0dB ref
1.000
.9000
.8000
.7000
.6000
.5000
.4000
.3000
.2000
.1000
0.0
Servo-170 Linearity (0 dB Ref) and THD+N vs. frequency sweep (10 Hz - 50 kHz)
5.0000
4.0000
3.0000
2.0000
1.0000
0.0
-1.000
-2.000
-3.000
-4.000
-5.000
10
100
1k
10k
50k
Ap
AUDIO PRECISION Servo 260 LEVEL(dBr) & THD+N(x) vs FREQ(Hz)
0dB ref
1.000
.9000
.8000
.7000
.6000
.5000
.4000
.3000
.2000
.1000
0.0