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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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.

Extron SI 26ct Two-way Ceiling Speakers

The surface mount models feature an Extron exclusive conical horn design that is coupled to the tweeter. To address 26cg issue of beaming in the midrange and high frequencies that can be found in a small, compact speaker, the SI 3 has been designed with a 3″ 7. An input power-limiting protection circuit is included with the SI 3C LP for preventing distortion and driver damage due to overdriving.

The pivoting dome tweeters allow aiming of the mid and high frequencies to optimize area coverage. Overall frequency response is 50 Hz to 20 kHz.

Extron Electronics SI 26ct (pair) Ceiling Speakers | eBay

Your feedback has been submitted. Music reproduction is enhanced with the exceptional low-frequency response of the long-throw woofers.

The SI Series speakers are the result of a two-year research and design effort at Extron with extensive testing and listening. 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.

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.

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. 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.


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. Both models have a nominal impedance of 8 ohms. Overall frequency response is from 70 Hz to 20 kHz. Please try again later. They are typically installed in classrooms, conference rooms and boardrooms when a surface mount speaker is preferred over a ceiling or in-wall device.

An internal overload protection circuit prevents driver damage due to excessive input levels. An optional ceiling mount kit containing C-rings and V-rails may be used with soft ceiling tiles, if required.

The SI 26 features a 6. By installing them into the walls, these speakers provide a low-profile appearance while also deterring theft.

Voice reproduction from documentaries and live microphones is eztron 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. They are two-way designs featuring a ferrofluid-cooled, titanium-coated dome tweeter and a long-throw woofer in a vertically stacked arrangement to deliver balanced voice and music reproduction.

They are available with a black or white finish that can also be painted to match the environment.

The SI 26X is an open back, two-way speaker for use in non-plenum airspace environments. The conical horn design virtually eliminates phase shift that would otherwise result in a harsh and peaked tonal quality caused by frequency cancellation. With this new conical extro design, harsh tonal qualities due to cancellation in portions of the frequency range caused by phase shifting are all but eliminated. 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.

An input power-limiting protection circuit is included for preventing woofer and tweeter damage due to overdriving.


Extron SI 26ct Two-way Ceiling Speakers | eBay

Please take a moment to provide comments ectron help us improve your experience. Each speaker has been designed to meet the needs of specific application requirements. The pivoting dome tweeter allows aiming of the mid and 26tc frequencies to optimize area coverage. 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.

C-ring and V-rail mounting hardware for installation in a suspended T-bar ceiling is included. The full-range driver and an Extron exclusive conical baffle work together to ensure accurate presentation of voice and music.

Extron SI speakers sound great and meet the high product quality standards extrob which we are known. The SI 26W features a 6. 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 26 CT is housed in an 8″ metal back can for use sj plenum environments and features four locking arms for a fast and secure hard ceiling installation. This baffle serves as a waveguide to help create a wide dispersion profile. Special attention was extrin to match the dome tweeter to the woofer for a smooth, flat response with a minimum of phase shift.

In particular, design efforts were focused on the crossover circuitry, from bass through midrange to the high frequencies. In 8 ohm operation, these speakers are designed for use with our MPA Integrated Extroon Power Amplifier in small to medium low ceiling classrooms requiring two to four wide dispersion speakers for maximum room coverage.

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