Extron electronic SI 28 manual Specifications, Audio/acoustic and electrical

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Specifications

Audio/acoustic and electrical

Speaker type

2-way, indoor/outdoor surface mount

Frequency range

SI 26 70 Hz to 20 kHz, -10 dB, half space

 

SI 28 50 Hz to 20 kHz, -10 dB, half space

Power capacity

SI 26 150 W continuous program

 

 

75 W continuous pink noise

 

SI 28 180 W continuous program

 

 

90 W continuous pink noise

Nominal sensitivity

90 dB SPL, 1W, 1m, half space

Nominal impedance

8 ohms

Crossover frequency

SI 26

2.3 kHz

 

SI 28

2.1 kHz

Woofer

SI 26

6.5" (165 mm) polypropylene cone

 

SI 28

8.0" (203 mm) polypropylene cone

Tweeter

1.0" (25 mm) aluminum dome

Overload protection

Full range power limiter, protecting the

 

tweeter, woofer, and crossover

Input connector

2 pin spring terminals

General

Package

2 speakers (1 pair)

Temperature/humidity

Storage: -40 to +158 °F (-40 to +70° C) / 10% to 90%,

 

noncondensing

 

Operating: +32 to +122 °F (0 to +50° C) /

 

10% to 90%, noncondensing

Mounting

Wall mount assembly with V-lock (patent

 

pending)

NWall mount assembly can be angled up to 20° upward, 35° downward, 30° to the left, and 30° to the right.

Enclosure type

Plastic, trapezoidal, with metal grille and

 

bass reflex ports

Enclosure outer dimensions

SI 26

13.0" H x 8.5" W x 6.75" D

 

 

(33.0 cm H x 21.6 cm W x 17.1 cm D)

 

SI 28

16.5" H x 11.5" W x 8.6" D

 

 

(41.9 cm H x 29.2 cm W x 21.9 cm D)

Product weight

SI 26

11 lbs (5 kg) each

 

SI 28

15 lbs (6.8 kg) each

Shipping weight

SI 26

30 lbs (14 kg) per pair with

 

mounting kit package

 

SI 28

40 lbs (19 kg) per pair with

 

mounting kit package

Warranty

5 years parts and labor

NAll nominal levels are at ±10%.

NSpecifications are subject to change without notice.

12SI 26 and SI 28 Speakers • Specifications

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Contents SI 26 and SI Packaging Information SI 26 and SI 28 speaker packaging detailsIntroduction About the SI 26 and SI 28 SpeakersFeatures C D E F G HInstallation Installing the SI 26 or SI 28 SpeakerInstallation, cont’d Rotate and mount the wall mount assemblyInstall wall mount assembly Pull tape and lift away the rear cover Attach a seismic safety cable to the rear of the speaker Extron Remove the logo from the front grill Troubleshooting Tips Troubleshooting TipsService access Observed Problem Possible Causes Remedial Action Specifications Audio/acoustic and electricalExtron’s Warranty Central AmericaExtron Electronics, USA
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SI 28 specifications

Extron Electronics SI 28 is a highly regarded audio distribution system specifically designed to deliver exceptional performance in a variety of professional audio environments. Compact and robust, the SI 28 represents the cutting-edge of audio distribution technology, providing users with the flexibility, quality, and functionality required for modern audiovisual setups.

One of the standout features of the SI 28 is its ability to distribute audio signals with incredible fidelity. It is equipped with high-performance DACs (Digital-to-Analog Converters) that ensure the integrity of the audio signal is preserved throughout the distribution process, resulting in clear and precise sound reproduction. Additionally, the unit supports various input formats, making it highly versatile and capable of handling multiple audio sources seamlessly.

The SI 28 boasts advanced audio processing capabilities, allowing users to fine-tune their audio output to suit specific needs. Integrated EQ controls provide the ability to adjust frequency response, which enhances performance in challenging acoustic environments. This capability is crucial for venues like auditoriums and conference rooms where acoustics can vary significantly.

Another critical aspect of the SI 28 is its user-friendly interface. Featuring multiple input and output options, including balanced and unbalanced connections, users can easily integrate the system into existing infrastructure. Its intuitive control software simplifies management, enabling real-time adjustments and preset configurations for different audio scenarios.

Technological advancements in the SI 28 include support for various audio formats and protocols. The device is compatible with both analog and digital audio formats, ensuring broad applicability across diverse systems. Furthermore, the inclusion of RS-232 and TCP/IP control capabilities allows for seamless integration into larger networked environments, facilitating remote operation and monitoring.

The SI 28 is also designed with reliability in mind, featuring robust construction tailored for demanding professional environments. Its thermal management system ensures optimal performance, even in high-usage situations.

In summary, the Extron Electronics SI 28 audio distribution system is a powerful, versatile, and reliable solution for professional audio applications. With high-quality audio processing, user-friendly features, and advanced connectivity options, it meets the diverse needs of modern AV professionals, making it a top choice for installations requiring superior audio performance.