Extron electronics CS 26T Plus User Manual page 33

The impedance of the speakers downstream of the one being tested can be
•
measured while the system is on by connecting to the outer (LOOP) terminals
of the captive screw connector, as shown in figure 41.
Red Wire (+) from Amplifier
Amplifier
Black Wire (-) from Amplifier
Figure 41. Impedance Test Points — Loop-through Configuration
6. Insert the captive screw connector into the four-pole receptacle on the speaker
crossover board, as shown below.
2" x 4" Ceiling Tile
Figure 42. Connecting the Wire from the CS 120P to the Speaker
Test Points
Impedance Test Points
4 Pole Connector
CS 26T Plus and CS 120P User Guide • Installation
To next speaker(s)
27