Wiring Multiple Speakers Using Loop-through:

A loop-through electrical connection is made on the crossover board of the CS 26T. Connect the wires to the captive screw connectors of the speakers, as shown in figure 36. Be sure to tighten the screws.

(Red)

 

(Red)

 

(Black)

 

(Black)

 

 

 

 

+ +

+ +

LOOP

IN

IN

LOOP

LOOP

IN

IN

LOOP

Power Amplifier

Speaker 1

Speaker 2

(Red)

(Black)

Figure 36. Wiring Multiple Speakers Using Loop-through

In this configuration, all of the speakers downstream of the one being tested are disconnected from the signal when it is disconnected. This is useful for troubleshooting in three ways:

The system is sectioned for easier troubleshooting.

The source signal can be tested by connecting to the inner + (IN) and – (IN) terminals of the captive screw connector, as shown in figure 37.

Red Wire (+) from Amplifier

Amplifier

Black Wire (-) from Amplifier

Test Points

Figure 37. Signal Test Points — Loop-through Configuration

CS 26T and CS 120P User Guide • Installation 22

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Extron electronic CS 26T, CS 120P, CS 1226T manual Wiring Multiple Speakers Using Loop-through

CS 1226T, CS 26T, CS 120P specifications

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