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.

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.

When a chain of speakers is wired in this configuration, disconnecting one speaker removes power from the remaining speaker in the chain.

 

(Red)

 

(Black)

Power Ampli￿er

_

 

_

(Red)

(Black)

_ _

Speaker 1

Speaker 2

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.

Red Wire (+) from Amplifier

Amplifier

Black Wire (-) from Amplifier

Test Points

_ _

Captive Screw

Connector

Signal Test Points

SF 26X User Guide • Installation

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Extron electronic SF 26X manual Wiring Multiple Speakers Using Loop-through

SF 26X specifications

The Extron SF 26X is a high-performance loudspeaker specifically designed for professional audio installations. It excels in providing clear, intelligible sound in various environments, including conference rooms, auditoriums, and educational facilities. The SF 26X is known for its exceptional audio quality and versatility, making it a popular choice among AV professionals.

One of the main features of the SF 26X is its superior sound reproduction. It incorporates a 6.5-inch low-frequency driver and a 1-inch high-frequency driver, allowing it to deliver a wide frequency response. This ensures that both low-end frequencies and high-frequency details are articulated clearly. The speaker's power handling capability further enhances performance, allowing it to produce high sound levels without distortion, making it ideal for both speech and music applications.

Another significant characteristic of the SF 26X is its installation flexibility. The loudspeaker can be installed in various configurations, including surface-mount, ceiling, or in-wall applications. This versatility is supported by its sleek design, which allows it to blend seamlessly into different room aesthetics. Additionally, the SF 26X includes a unique mounting system that simplifies installation and ensures optimal sound coverage for any setup.

In terms of technology, the SF 26X employs Extron's proprietary audio processing algorithms, which optimize sound quality based on the environment. This feature is particularly advantageous in challenging acoustic spaces, where sound reflections could affect clarity. The speaker's construction also incorporates rugged materials, ensuring durability and longevity in high-traffic areas.

The SF 26X is compatible with a range of Extron’s audio solutions, allowing for easy integration into existing systems. This compatibility ensures that users can take advantage of advanced features such as network-based control and monitoring, enhancing overall system management.

Furthermore, the SF 26X is designed with energy efficiency in mind. Its intelligent power management systems help reduce energy consumption during periods of inactivity, contributing to lower operational costs and a reduced environmental impact.

In summary, the Extron SF 26X stands out with its blend of high-quality audio performance, installation versatility, advanced technology, and energy efficiency. These features make it an excellent choice for anyone seeking reliable, high-performance loudspeakers for various audio applications. Whether for business, education, or entertainment, the SF 26X promises to enhance any audio environment significantly.