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The source signal can be tested by connecting to the inner + (IN) and – (IN)

terminals of the captive screw connector.

Signal Test Points

Red Wire (+) from Ampliﬁer

Black Wire (-) from Ampliﬁer

Ampliﬁer

Test Points

Figure 36. Signal Test Points — Parallel Configuration

• Wiring Multiple Speakers Using Loop-through:

Connect the wires to the captive screw connectors of the speakers, as shown in

figure 37. Be sure to tighten the screws.

Speaker 1

Speaker 2

Wiring Multiple Speakers Using Loop-through

–

LOOP

–

LOOP

–

LOOP

–

LOOP

(Black)

(Red)

(Black)

Power Amplifier

Figure 37. 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 38.

Signal Test Points

Red Wire (+) from Ampliﬁer

Black Wire (-) from Ampliﬁer

Ampliﬁer

Test Points

Figure 38. Signal Test Points — Loop-through Configuration

CS 3T and CS 120P User Guide • Installation 25

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Extron electronics CS 120P Guía de usuario Pagina 30