QSC Audio AD-C821, AD-C820, AD-C1200 user manual Introduction, Package Contents

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Introduction

Congratulations and thank you for your ceiling loudspeaker purchase. The AD-C820, AD-C821 and AD-C1200 models offer excellent acoustic performance in an easy-to-install and attractive package. Please review these instructions carefully and follow the recommendations.

Installation should be done by a licensed installation professional and in accordance with these instructions and local building codes.

The AD-C820 and AD-C821 models feature an 8" coaxial driver with a high-frequency neodymium compression driver and low-frequency ferrite woofer in a ported baffle assembly. The AD-C1200 model features a 12" coaxial driver with a 1.75" compression driver and a 12" low-frequency ferrite woofer in a ported baffle assembly.

All models are equipped with an audio transformer suitable for 70V and 100V distributed loudspeaker systems. The AD-C820 and AD-C821 are equipped with a 6 position tap selector switch which has an Off position and can bypass the transformer for 16 ohm applications. On the

AD-C1200 tap selection is accomplished using terminal block connectors during installation. There is also a connection for bypassing the transformer for 16 ohm operation.

Package Contents

AD-C1200

AD-C820

Loudspeaker Baffle — 1 component

AD-C820 Loudspeaker Baffle — 1 component

User Manual — 1 component

User Manual — 1 component

Product Warranty Card — 1 component

Product Warranty Card — 1 component

Mounting Screws (size M5) — 6 components

 

 

AD-C800BB

AD-C1200BB

Back Box Assembly — 1 component

Back Box Assembly — 1 component

Instruction Sheet — 1 component

Instruction Sheet — 1 component

 

AD-C1200SG

AD-C800RG/SG

Grille Assembly — 1 component

Grille Assembly — 1 component

Instruction Sheet — 1 component

Instruction Sheet — 1 component

Spare Grille Cloth — 1 component

Spare Grille Cloth — 1 component

M4 x 30mm Screws — 4 components

Screw-hole Template — 1 component

 

M4 Plastite® Screws — 4 components

AD-C821

 

Loudspeaker System — 1 component

AD-C800 RAIL KIT

User Manual — 1 component

Split Rings — 1 components

Product Warranty Card — 1 component

Suspended-ceiling Tile Rails — 2 components

Mounting Hole Template — 1 component

M4 Sheet Metal Screws — 2 components

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Contents AD-C Series Disclaimer QSC Audio Products 3-Year Limited WarrantyIntroduction Package ContentsAD-C821 Loudspeaker System FeaturesAD-C800BB Back Box AD-C820 Loudspeaker BaffleAD-C800SG/RG Loudspeaker Grilles AD-C800 Rail KitAD-C1200BB Back Box AD-C1200 Loudspeaker BaffleSuspended Ceiling AD-C1200SG Loudspeaker Grille AD-C821 Installation OptionsCut Mounting Hole in Ceiling AD-C821 InstallationTools and Parts Required for Installation InstallationInstall Split Ring and Suspended-ceiling Tile Rails Support and Wire the Loudspeaker System AD-C800BB Back Box Installation AD-C800BB and AD-C820 InstallationAD-C820 Installation Mount the AD-C820 or AD-C821 Loudspeaker System Set Transformer Tap and Install GrilleMagnets for mounting grille 4 places Transformer Tap switch AD-C1200BB Installation AD-C1200 and AD-C1200BB InstallationAD-C1200 Installation COM Places Painting the Grille Disconnect Transformer from the AD-C1200 CircuitryDimensions Ceiling Cutout Dim = 376 mm x 376 mm Rated for 400 W max SpecificationsWorld Wide Web Mail Mailing AddressTelephone Numbers Facsimile Numbers
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AD-C1200, AD-C821, AD-C820 specifications

QSC Audio has established itself as a leader in professional audio solutions, and the AD-C820, AD-C821, and AD-C1200 speakers are prime examples of the company's innovative engineering and commitment to quality. These models are designed specifically for high-performance commercial sound applications, such as restaurants, retail spaces, and corporate environments.

The AD-C820 and AD-C821 are part of QSC's AcousticDesign Series, featuring a compact, sleek design that blends seamlessly into any architectural environment. Both models utilize QSC's proprietary Directivity Matched Waveguide technology. This ensures consistent coverage across the listening area, reducing the possibility of dead spots and enhancing audio clarity. The AD-C820 is an 8-inch two-way speaker, while the AD-C821 is a more powerful 8-inch loudspeaker that includes a coaxial design, offering an exceptional audio experience with a wider frequency response and improved tonal balance.

Both speakers are equipped with a unique DMT (Directivity Matched Transition) system, which provides seamless transition between high and low frequencies, significantly improving sound quality during a range of applications. Furthermore, the AD-C821 features a dedicated high-frequency driver that allows for extended high-frequency performance, making it suitable for environments that require more detailed sound reproduction.

On the other hand, the AD-C1200 is a powerful 12-inch ceiling loudspeaker that is perfect for larger spaces. It incorporates a high-output woofer, providing warm and rich bass response. With QSC's specially designed high-frequency driver, the AD-C1200 delivers a clear and detailed audio experience, ensuring that voices and instruments are rendered with precision.

All three models feature an innovative Waveguide design that enhances coverage patterns, ensuring a uniform sound experience regardless of the listener's location. Additionally, these loudspeakers come with a robust enclosure that minimizes ambient noise interference, further enhancing audio fidelity. The integration of rugged components ensures long-lasting performance under various conditions, making them ideal for diverse commercial applications.

In summary, the QSC Audio AD-C820, AD-C821, and AD-C1200 speakers offer a blend of advanced technology, exceptional sound quality, and practical design. Their versatility makes them an excellent choice for anyone looking to achieve high-quality audio in commercial environments, making QSC a trusted name in the professional audio industry.