JBL CSA-2120 User Manual

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Contents
Important Safety Instructions .............................................................................. 2
JBL DECLARATION OF CONFORMITY .............................................................. 4
1.0 Welcome ....................................................................................................... 5
1.1 Features .................................................................................................. 5
1.2 How to Use this Manual ......................................................................... 5
2.0 Setup ............................................................................................................ 6
2.1 Unpacking Your Amplifier . ..................................................................... 6
2.2 Installing Your Amplifier .......................................................................... 6
2.3 Ensuring Proper Cooling ........................................................................ 9
2.4 Choosing Input Wire and Connectors .....................................................9
2.5 Choosing Output Wire and Connectors ................................................10
2.6 Wiring Your Audio System .....................................................................11
2.7 Connect to AC Mains ............................................................................12
2.8 Protect Your Speakers ...........................................................................12
2.9 Startup Procedure .................................................................................12
3.0 Operation .................................................................................................... 13
3.1 Precautions ........................................................................................... 13
3.2 Front Panel Controls and Indicators ......................................................14
3.3 Rear Panel Controls and Connectors .................................................... 14
Appendix A: Optional Item - Transformer module............................................. 15
Appendix B: Specifications ............................................................................... 17
Appendix C: AC Power Draw and Thermal Dissipation..................................... 17
Appendix D: Contact Information ...................................................................... 18

JBL CSA-2120 Specifications

General

Output Power (two channels at 1 kHz power, THD+N<0.5%):	4 Ohms 120 W 8 Ohms 120 W
Frequency Response (1 watt into 4 or 8 Ohms):	+1/-1 dB
Load Impedance:	Rated for 4 or 8 Ohms
Sensitivity (8 Ohms load):	1.4 Vrms
Signal to Noise Ratio (below rated 8-Ohm power at 1 kHz, A weighted):	>100 dB
Crosstalk (Rated into 8 Ohms):	70 dB below rated from 20 Hz to 1 kHz; 50 dB below rated at 20 kHz
Input Impedance (nominal):	Balanced: 20 k Ohms Unbalanced: 10 k Ohms
Maximum Input Signal:	+20 dBu typical
AC Line Voltage and Frequency Confgi urations Available:	100-240 V, 50/60 Hz
Auto-Standby:	Go into auto-standby: 1 hour Recovery time: < 1 ms Recovery threshold: -60dBu
Operating Temperature:	0° C to 40° C at 95% relative humidity (non-condensing)

Weight and Dimensions

Dimensions (W x H x D) :	8.2” x 1.7 x 7” (209 mm x 44 mm x 178 mm)
Net Weight:	1 kg (2.1 lbs)
Shipping Weight:	1.5 kg (3.4 lbs)