Front Panel Controls And Indicators; Rear Panel Controls And Connectors - JBL CSA-2120 Operation Manual

Csa-2120 amplifier & cst-2120 transformer
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3.2 Front Panel Controls and Indicators

Figure 3.2 Front View
A.
Level: Rotary level control, one per channel.
B.
Meter Group (one per channel):
Clip Indicator: Red LED turns at the threshold of audible distortion.
Signal Indicator: Green LED flashes
-40dB) is present at input. May be used for troubleshooting cable runs.
C. Power Indicator: Indicates that AC power is being applied to the

3.3 Rear Panel Controls and Connectors

Figure 3.3 Rear View
D. AC Line Connector
E.
Output Connectors: 4-pin Euroblock connectors for dual loudspeakers.
F.
Amplifier Parameter Switches: Slide DOWN to turn on these functions. Slide UP
to turn them off. The parameter switches are numbered as below:
1.
CH1 70Hz highpass filter
2.
CH2 70Hz highpass filter
3.
CH1 peak limiter
4.
CH2 peak limiter
5.
Auto-Standby
G. RCA Connectors
H. Euroblock Connectors: Two 3-pin Euroblock connectors each accept a
balanced or unbalanced line-level input signal.
B
D
A
when a very low-level signal (Threshold
E
F
C
unit.
G
H
15

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