The Extron System INTEGRATOR® SI 26CT is a high power, two-way ceiling speaker featuring an 8″ ( cm) metal back can and a coaxial dual driver design. SI 26CT. Ceiling Speaker. User’s Guide. Cut Material. Remove the top cover to access the speaker connector. Attach the speaker wires to the 4-pole captive. Specifications — SI 26CT, cont’d. Extron SI 26CT Ceiling Speaker • Specifications. 2. 20 Hz. 1K. 2K. 5K. 10K. 20K.

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Together, they form an all-in-one source for complete AV systems from Extron. The conical horn design virtually eliminates phase shift that would otherwise result in a harsh and peaked tonal quality caused by frequency cancellation. A compact surface mount speaker such as the SI 3 is a logical choice for small to medium classrooms and conference rooms where wall space is at a premium. They are two-way designs featuring a ferrofluid-cooled, titanium-coated dome tweeter and wi long-throw woofer in a vertically stacked arrangement to deliver balanced voice and music reproduction.

Four locking arms allow for a fast, secure hard ceiling installation. The pivoting dome tweeters allow aiming of 26vt mid and high frequencies to optimize area coverage. They are available with a black or white finish that can also be painted to match the environment.

An input power-limiting protection circuit is included with the SI 3C LP for preventing distortion and driver damage due to overdriving.

An internal overload protection circuit prevents driver damage due to excessive input levels.

Extron SI 26ct Two-way Ceiling Speakers | eBay

The pivoting dome tweeter allows aiming of the mid and high frequencies to optimize area coverage. How would you rate your overall experience on the website? An input power-limiting protection circuit is included for preventing woofer and tweeter damage due to overdriving. A weather-resistant housing and drivers make these speakers zi for use in outdoor environments. The SI 26W and SI 28W are designed for environments where delivery of stereo playback, also known as program audio is specified.

The SI 3 has a nominal impedance of 8 ohms. Extron SI speakers sound great and meet the high product quality standards for which we are known.

By installing them into the walls, these speakers provide a low-profile appearance while also deterring theft. C-ring and V-rail mounting hardware for installation in a suspended T-bar ceiling is included. In the 16 ohm direct mode, an input power limiting protection circuit is included for preventing distortion as well as potential woofer and tweeter damage if the speakers are overdriven.


The full-range driver and an Extron exclusive conical baffle work together to ensure accurate presentation of voice and music. The SI 28W features an 8″ long-throw woofer, a 1″ dome tweeter, 35 watts continuous pink noise or 70 watts continuous program capacity, a frequency response from 30 Hz to 20 kHz, and a nominal impedance of 8 ohms.

The SI 3 features an incredibly wide frequency response of 75 Hz to 18 kHz, and 16 watts continuous pink noise and 32 watts continuous program capacity.

The SI 26X is 26tc for 8 ohm direct connection to small or large audio power amplifiers, and may be connected for series or parallel operation. In 8 ohm operation, these speakers are designed for use with our MPA Integrated Mini Power Extroh in small to medium low ceiling classrooms requiring two to four wide dispersion speakers for maximum room coverage.

Each speaker has been designed to exxtron the needs of specific application requirements. The SI Series speakers are the result of a two-year research and design effort at Extron with extensive testing and listening. The SI 3C LP and SI 3CT LP have a single full-range driver featuring a very wide dispersion pattern and full-range frequency response specifically for small to medium classrooms and conference rooms with lower ceilings and lower power requirements.

Long-throw woofers are coupled to pivoting dome tweeters exton deliver accurate voice and music reproduction, as well as wide angle sound dispersion for higher ceiling and power applications.

This baffle serves as a waveguide to help create a wide dispersion profile. Please enter a valid e-mail address.

In particular, design efforts were focused on the crossover circuitry, from bass through midrange to the high frequencies. These in-wall speakers feature a proprietary crossover design from the woofer to the dome tweeter, to provide a smooth transition from low to mid and high frequencies, so that voices are natural and clear sounding.

A 1″ pivoting ferrofluid-cooled, titanium-coated dome tweeter matches the high power capability of the woofer with enhanced midrange and high frequency response for high ceiling applications. The SI 26 features a 6. An optional is mount kit containing C-rings sii V-rails may be used with soft ceiling tiles, if required.


With high power capability of 25 watts continuous pink noise or 50 watts continuous program capacity, the SI 26X is an ideal choice for great sound in moderate to high ceiling applications. Music reproduction is enhanced with the exceptional low-frequency response of the long-throw woofers. Both models have a nominal impedance of 8 ohms.

The tweeter is coupled to an Extron exclusive conical horn designed to minimize phase shift and deliver flat response over the mid- and high-frequency ranges. The larger SI 28 features an 8″ woofer, a 1″ dome tweeter, 90 watts continuous pink noise or watts continuous program capacity, and frequency response from 50 Hz to 20 kHz.

With this very broad conical spreading of the mid and high frequencies, two SI 3 speakers in a small to medium classroom should ensure consistent volume levels for everyone while delivering increased intelligibility and accurate music reproduction. The SI 26CT features a high power design of 75 watts continuous pink noise or watts continuous program capacity for use in larger classrooms, lecture halls, and auditoriums.

The surface mount models feature an Extron exclusive conical horn design that is coupled to the tweeter. The SI 26 and SI 28 incorporate a precision engineered crossover design that assures a smooth transition from bass to midrange and high frequencies, delivering optimum voice and music reproduction. The SI 3 is a surface mount speaker that is compact in size, yet delivers surprisingly wide, smooth frequency response for faithful sound reproduction of a wide range of audio material.

The low profile speaker is an excellent choice for ceiling installations with constrained or problematic above-the-ceiling tile issues such as air handling units or sprinkler piping. Your feedback has been submitted. They are typically installed in classrooms, conference rooms and boardrooms when a surface mount speaker is preferred over a ceiling or in-wall device.

Extron SI 26ct Two-way Ceiling Speakers

The SI 26 and SI 28 are two-way speaker designs with a ferrofluid-cooled, aluminum dome tweeter and a long-throw woofer with large magnets for solid low-frequency response. The SI 26X is an open back, two-way speaker for use in non-plenum airspace environments.

Overall frequency response is from 70 Hz to 20 kHz. The SI 26W features a 6.