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12

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

Summary of Contents for 4060/4120

Page 1: ...OWNERS MANUAL Q U A D AMPLIFIER SERVO 4060 4120...

Page 2: ...Panel 5 Rear Panel 6 Setting Up and Using the Servo Quad Amplifier 7 The Servo Quad Amplifier Protection Circuitry 8 Bridge Stereo Mode 9 Bi amplification Applications 10 Appendix A Linearity vs Freq...

Page 3: ...lifier boasts professional specs which far exceed that of most consumer products For a real studio experience in your own home try connecting your home hi fi amplifier s auxiliary outputs to the Servo...

Page 4: ...jacks are provided Binding post banana jack output connectors Convection cooling no fan makes for whisper quiet operation even in critical listening environments such as recording studios Unique bipo...

Page 5: ...hould light occasionally during peak levels if it lights frequently you may be overloading the Servo Quad Amplifier and a distorted clipped signal is probably being output If this occurs and backing o...

Page 6: ...eds at least 0 dBm to get maximum power 5 Unbalanced Inputs Ch 1 4 Connect incoming signal to these unbalanced RCA type jacks The Servo Quad Amplifier accepts input levels of any strength but needs at...

Page 7: ...ou use balanced lines If you are using the Servo Quad Amplifier for bi amping applica tions refer to the Bi amplification Applications section on page 8 in this manual 5 On the front panel of the Serv...

Page 8: ...adequate ventilation on all sides see page 5 for more information in extreme environmental conditions you may also want to consider the use of cooling fans Severe overcurrent conditions This occurs w...

Page 9: ...annels The effective voltage swing seen by the load is thus doubled so that the power output is doubled When using the Servo Quad Amplifier in bridge stereo mode be sure to connect each loudspeaker as...

Page 10: ...the energy in musical signals lies in its low frequency components next time you re listening to a piece of popular music contrast the level of kick drum and bass guitar to the other instruments When...

Page 11: ...dB Ref vs frequency sweep 20 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 0 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 1 000 10 100 1k 10k 50k Ap AUDIO PRECISION...

Page 12: ...5000 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 3...

Page 13: ...PF 1 kHz rated output power 005 IMD SMPTE 4 1 60 Hz 7 kHz rated output power 015 3 Signal To Noise Ratio 22 Hz 22 kHz bandwidth dB below rated output power 95 dB 4 Frequency Response 20 Hz 50 kHz 0 3...

Page 14: ...elength for Samson Technologies Corp Copyright 1997 Samson Technologies Corp Printed April 1997 Samson Technologies Corp 575 Underhill Blvd P O Box 9031 Syosset NY 11791 9031 Phone 1 800 3 SAMSON 1 80...

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