IMPORTANT SAFETY PRECAUTIONS

& EXPLANATION OF SYMBOLS

1- Read these instructions.

2- Keep these instructions.

3- Heed all warnings.

4- Follow all instructions.

5- Clean only with a dry cloth.

6- Install in accordance with QSC Audio Product’s instructions and a licensed, professional engineer.

7- Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers)

that produce heat.

8- Only use attachments/accessories from QSC Audio Products, Inc.

9- Use only with mounts or brackets specified by QSC Audio Products.

10- Refer all servicing to qualified personnel. Servicing is required when the apparatus has been damaged in any way.

The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated “dangerous” voltage within the product’s enclosure that may be of sufficient magni- tude to constitute a risk of electric shock to humans.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in this manual.

WARNING! Before placing, installing, rigging, or suspending any speaker product, inspect all hardware, suspension, cabinets, transducers, brackets and associated equipment for damage. Any missing, corroded, deformed or non-load rated component could significantly reduce the strength of the installation, placement, or array. Any such condition severely reduces the safety of the installation and should be immediately corrected. Use only hardware which is rated for the loading conditions of the installation and any possible short-term unexpected overloading. Never exceed the rating of the hardware or equipment. Consult a licensed, professional engineer when any doubt or questions arise regarding a physical equipment installation.

Warranty (USA only; other countries, see your dealer or distributor)

Disclaimer

QSC Audio Products, Inc. is not liable for any damage to amplifiers, or any other equipment that is caused by negligence or improper installation and/or use of this loudspeaker product.

QSC Audio Products 3 Year Limited Warranty

QSC Audio Products, Inc. (“QSC”) guarantees its products to be free from defective material and / or workmanship for a period of three

(3)years from date of sale, and will replace defective parts and repair malfunctioning products under this warranty when the defect occurs under normal installation and use - provided the unit is returned to our factory or one of our authorized service stations via pre- paid transportation with a copy of proof of purchase (i.e., sales receipt). This warranty provides that the examination of the return prod- uct must indicate, in our judgment, a manufacturing defect. This warranty does not extend to any product which has been subjected to misuse, neglect, accident, improper installation, or where the date code has been removed or defaced. QSC shall not be liable for inci- dental and/or consequential damages. This warranty gives you specific legal rights. This limited warranty is freely transferable during the term of the warranty period.

Customer may have additional rights, which vary from state to state.

In the event that this product was manufactured for export and sale outside of the United States or its territories, then this limited war- ranty shall not apply. Removal of the serial number on this product, or purchase of this product from an unauthorized dealer, will void this limited warranty.

Periodically, this warranty is updated. To obtain the most recent version of QSC’s warranty statement, please visit www.qscaudio.com.

Contact us at 800-854-4079 or visit our web site at www.qscaudio.com.

© Copyright 2007, QSC Audio Products, Inc.

QSC® is a registered trademark of QSC Audio Products, Inc.

“QSC” and the QSC logo are registered with the U.S. Patent and Trademark Office

All trademarks are the property of their respective owners.

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QSC Audio AD-C81Tw Disclaimer, QSC Audio Products 3 Year Limited Warranty, Copyright 2007, QSC Audio Products, Inc
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AD-C81Tw specifications

The QSC Audio AD-C81Tw is a versatile and high-performance ceiling loudspeaker designed to meet the demands of a variety of commercial audio applications, such as retail spaces, corporate environments, and hospitality venues. With its sleek design and advanced technology, the AD-C81Tw delivers exceptional sound quality while blending seamlessly into any architectural setting.

One of the standout features of the AD-C81Tw is its 8-inch, low-frequency driver, which ensures impactful bass response and a well-balanced sound profile. The speaker also incorporates a high-frequency tweeter that delivers crisp, articulate highs, making it ideal for speech reinforcement as well as music playback. The coaxial design of the driver and tweeter allows for a streamlined installation process and optimum sound dispersion, providing even coverage across the listening area.

The AD-C81Tw is equipped with QSC's patented acoustic technology that enhances performance and reliability. The inclusion of a 70/100V transformer allows for flexibility in installation and makes it easier to reach long distances without losing audio quality. This feature is particularly useful in large venues where sound needs to be distributed uniformly.

Another key characteristic of the AD-C81Tw is its quick-install design. The speaker is engineered with a simple mounting system that minimizes installation time and complexity, making it a favorite among contractors and system integrators. The back can is built to fit standard ceiling cutouts, and its integrated mounting hardware ensures a secure fit in various ceiling types.

The QSC AD-C81Tw is also designed with durability in mind. Its robust construction, combined with weather-resistant materials, makes it suitable for both indoor and outdoor applications. This ensures longevity and consistent performance in different environmental conditions.

In addition to its acoustic performance, the AD-C81Tw features a modern, low-profile appearance that complements any decor. The grille can be painted to match the surrounding ceiling, allowing for unobtrusive integration into various spaces.

Overall, the QSC Audio AD-C81Tw stands out as a reliable choice for those seeking a high-quality ceiling speaker that combines great sound with user-friendly features and stylish design, making it a perfect fit for a wide range of audio installations.
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