Extron electronics CS 26T Plus User Manual page 32

The source signal can be tested by connecting to the inner + (IN) and – (IN)
terminals of the captive screw connector, as shown below.
Red Wire (+) from Amplifier
Amplifier
Black Wire (-) from Amplifier
Figure 38. Signal Test Points — Parallel Configuration
Signal Test Points
Wiring Multiple Speakers Using Loop-through: A loop-through electrical
•
connection is made on the crossover board of the CS 26T Plus. Connect the wires
to the captive screw connectors of the speakers, as shown in figure 39. Be sure to
tighten the screws.
(Red)
(Black)
Power Amplifier
Speaker 1
Wiring Multiple Speakers Using Loop-through
Figure 39. Wiring Multiple Speakers Using Loop-through
In this configuration, all of the speakers downstream of the one being tested are
disconnected from the source 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 40.
Red Wire (+) from Amplifier
Amplifier
Black Wire (-) from Amplifier
Signal Test Points
Figure 40. Signal Test Points — Loop-through Configuration
Test Points
(Red) (Red)
(Black)
(Black)
Speaker 2
Test Points
CS 26T Plus and CS 120P User Guide • Installation 26