JBL CSA-2120 User Manual

Amplifier For

CSA-2120

JBL CS Commercial Solution Series
Public Address System

The JBL Commercial® CSA-2120 power amplifier is a professional tool designed and built for
installed sound applications. The amplifier is two-channel model providing simple analog
front-end processing, with a switch-mode universal power supply.
The amplifier includes two optional accessories: rack mounting kit and transformer module.
With the rack mounting kit, you can install the amplifier to a cabinet or wall. If your
loudspeaker system requires higher impedance, the transformer module can be connected
between the amplifier and loudspeaker systems to obtain the impedance matching.

Features

• Two input channels and two output channels,Power of each channel: 120W

• Output impedance of each channel: 4Ω and 8Ω

• High power output, compact size, light weight

• Accurate, uncoloured sound with very low distortion for the best in music and voice

• Over heat auto protection

• Low voltage auto protection

• The auto-standby mode allows the amplifier to save energy by disabling the amplifier pulse
width modulation generator when there is no input signal

• Detachable Euroblock input and output

• Switch-mode universal power supply

Line drawing

Amplifier For

CSA-2120

Output Power:
Frequency Response:

Load Impedance:

Sensivity (8 ohms load):

Signal to Noise Rao :

Crosstalk (A weighted):

Input Impedance :

AC Line Voltage and
Frequency Configuraons
Available:

Maximum Input Signal:

Operang Temperature:

Dimensions (W x H x D) :

Shipping Weight:

JBL CS Commercial Soluon Series
Public Address System

CSA-2120 Specificaons

4 ohms / 8 ohms 120 W (two channels at 1 kHz power, THD+N<0.5%)

+/- 1dB (At 1wa into 4 or 8 ohms)

Rated for 4 or 8 ohms

1.4 Vrms

>100 dB (below rated 8-ohm power at 1 kHz, A weighted)
70 dB below rated from 20 Hz to 1 kHz;
50 dB below rated at 20 kHz
Balanced: 20 k ohms (nominal)
Unbalanced: 10 k ohms (nominal)

100-240 V, 50/60 Hz

+20 dBu typical

0° C to 40° C at 95% relave humidity (non-condensing)

8.2” x 1.7 x 7” (209 mm x 44 mm x 178 mm)

1.5 KG (3.4 lbs) (Rack mounng kit aached forunits with the part number
“NCSA2120R-U-CN”)

1.3 KG (2.9 lbs) (No rack mounng kit aached for units with the part
number “NCSA2120-U-CN”)

Contact Informaon Ordering Informaon

On The World Wide Web:

www.jblcommercialporducts.com

Professional Contacts, Outside the USA:

Contact the JBL Professional Distributor in your area.
A complete list of JBL Professional internaonal
distributors is provided at our U.S.A. website:
www.jblpro.com

CSA-2120

Amplifier