Extron electronic SF 26X Manual Do Utilizador
•
Wiring Multiple Speakers Using Loop-through:
A loop-through electrical connection is made on the crossover board of the
SF 26X. Connect the wires to the captive screw connectors of the speakers, as
shown below. Be sure to tighten the screws.
SF 26X. Connect the wires to the captive screw connectors of the speakers, as
shown below. Be sure to tighten the screws.
NOTES:
•
Be sure that the combined impedance of the speaker system does not
equal a value less than the rated minimum load impedance of the
amplifier.
equal a value less than the rated minimum load impedance of the
amplifier.
•
When a chain of speakers is wired in this configuration, disconnecting one
speaker removes power from the remaining speaker in the chain.
speaker removes power from the remaining speaker in the chain.
Speaker 1
Speaker 2
+
_
_ +
+
_
_ +
(Black)
(Red)
(Black)
(Red)
Power Amplifier
This configuration is useful for troubleshooting in four ways:
•
The system is sectioned for easier troubleshooting.
•
The source signal can be tested by connecting to the inner + (IN) and inner
– (IN) terminals of the captive screw connector, as shown below.
– (IN) terminals of the captive screw connector, as shown below.
Signal Test Points
Captive Screw
Connector
Test Points
+
_
_ +
Red Wire (+) from Amplifier
Black Wire (-) from Amplifier
Amplifier
SF 26X User Guide • Installation
5