Samson 4060/4120 - Manual (Page 12)

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Appendix B: Power Output vs. THD
Power output (Servo 4060 @ 60 W, Servo 4120 @ 120 W) vs. Total Harmonic Distortion
.50000
.45000
.05000
0.0
10 100 1k 10k 20k
Ap
AUDIO PRECISION servo 4060/4120 THD +N (%) & LEVEL (W) vs FREQ (Hz)
THD Watts
.40000
.35000
.30000
.25000
.20000
.15000
.10000
80.000 / 160.000
73.333 / 146.666
66.667 / 133.333
60.000 / 120.000
33.333 / 66.666
40.000 / 80.000
46.667 / 93.333
53.333 / 106.666
26.667 / 53.333
0.000 / 0.000
6.666 / 13.333
13.333 / 26.666
20.000 / 40.000