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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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.

Overall frequency response is 50 Hz to 20 kHz. The Extrkn Series speakers are the result of a two-year research and design effort at Extron with extensive testing and listening.

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 26W and SI 28W are designed for environments where delivery of stereo playback, also known as program audio is specified. By installing them into the walls, these speakers provide a low-profile appearance while also deterring theft. The surface mount models feature an Extron exclusive conical horn design that is coupled to the tweeter.

The SI 3 has a nominal impedance of 8 ohms. 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. To address the 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.

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. C-ring and V-rail mounting hardware for installation in a suspended T-bar ceiling is included.


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 designed for 8 ohm direct connection to small or large audio power amplifiers, and may be connected for series or parallel operation. The pivoting dome tweeters allow aiming of the mid and high frequencies to optimize area coverage.

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 Mini Power Amplifier in small to medium low ceiling classrooms requiring two to four wide dispersion speakers for maximum room coverage.

Long-throw woofers are coupled to pivoting dome tweeters to deliver accurate voice and music reproduction, as well as wide angle sound dispersion for higher ceiling and power applications. Special attention was given to match the dome tweeter to the woofer for a smooth, flat response with a minimum of phase shift.

Extron SI 26ct Two-way Ceiling Speakers | eBay

A weather-resistant housing and drivers make these speakers suitable for use in outdoor environments. Together, they form an all-in-one source for complete AV systems from Extron. Both models have a nominal impedance of 8 ohms.

Extron 26cct speakers sound great and meet the high product quality standards for which we are known. The SI 26W features a 6. An optional ceiling mount kit containing C-rings and V-rails may be used with soft ceiling tiles, if required.

Pair of Extron SI 26ct Two-way High Power Ceiling Speakers 70/v SI26CT | eBay

It is available with a black or 26cg finish that can also be painted to match the environment. The SI 26 CT is housed in an 8″ metal back can for use in plenum environments and features four locking arms for a fast and secure hard ceiling installation.

Please enter a valid e-mail address. IP Link Control Processors. Please try again later. They are two-way designs featuring a ferrofluid-cooled, titanium-coated 26cg tweeter and a long-throw woofer in a vertically stacked arrangement to deliver balanced voice and music reproduction. This baffle serves as a waveguide to help create a wide dispersion profile.

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. 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.


The SI 26 features a 6. Voice reproduction from documentaries and live microphones is natural and clear sounding. The SI 26X is an open back, two-way speaker for use in non-plenum airspace environments. An internal fxtron protection circuit prevents driver damage due to excessive input levels.

Pair of Extron SI 26ct Two-way High Power Ceiling Speakers 70/100v SI26CT

With this very broad conical spreading of the mid and high frequencies, 26ctt SI 3 speakers in a small to medium classroom should ensure consistent volume levels for everyone while delivering increased intelligibility and accurate music reproduction. An input power-limiting protection circuit is included with the SI 3C LP for preventing distortion and driver damage due to overdriving. 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.

Each speaker has been designed to meet the needs of specific application requirements. 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 exyron of 8 ohms.

Four locking arms allow for a fast, secure hard ceiling installation. 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.

Your feedback has been submitted. Please take a moment to provide comments to help us improve your experience. An input power-limiting protection circuit is included for preventing woofer and tweeter damage due to overdriving.

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