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The AUDAC CS74 is a professional audio ceiling speaker designed for seamless integration into various environments, offering both low impedance and 100 Volt applications. This installation guide outlines the straightforward procedure for mounting and connecting the speaker, ensuring optimal performance and secure placement.
The AUDAC CS74 serves as a sound output device, delivering audio in professional settings. It is engineered to be discreetly installed within ceilings, providing clear and consistent sound distribution without intruding on the aesthetic of the space. The speaker is versatile, capable of operating in two primary modes: low impedance (8 Ohm) for direct amplifier connection, and 100 Volt for distributed audio systems, offering different power taps (6 Watt, 3 Watt, 1.5 Watt) to suit varying amplification needs and room sizes. This dual functionality makes it suitable for a wide range of applications, from background music in commercial spaces to public address systems in larger venues. The design incorporates a robust mounting mechanism that ensures the speaker remains firmly in place once installed, even in environments prone to vibrations.
The installation process for the AUDAC CS74 is designed to be user-friendly, starting with the preparation of the mounting location. A hole with a diameter of 167 mm needs to be cut in the ceiling, for which a cutout template is provided to ensure accuracy. Once the hole is prepared, the loudspeaker connection cable is routed through it, ready for connection.
Before the speaker can be inserted, the front grill must be removed. This is achieved by rotating the mounting clips outwards and pushing them down, which causes the fixing screws to push the front grill out. This allows access to the speaker's body for installation. After removing the grill, the mounting clips are pulled up and rotated inwards, enabling the speaker to fit through the mounting hole.
Connecting the loudspeaker is a critical step, and the CS74 features a power tap connection block that accommodates various power settings. For low impedance applications, an 8 Ohm connection is available. For 100 Volt systems, connections for 6 Watt, 3 Watt, and 1.5 Watt are provided. To make a connection, the locking mechanism of the desired power tap is pressed down, the connection cable is inserted, and then the locking mechanism is released to secure the cable. It is crucial to connect the common of the amplifier output to the 'C' terminal and the positive amplifier output to the desired power terminal (either 8 Ohm for low impedance or the chosen wattage for 100 Volt applications).
Once the electrical connections are made, the loudspeaker can be fully installed. The speaker is inserted into the mounting hole, and a screwdriver is used to tighten the fixing screws. A quarter turn of these screws causes the mounting clips to rotate outwards and lock behind the ceiling, preventing the loudspeaker from falling out. Further tightening of the screws ensures the speaker sits flush with the ceiling, creating a clean and integrated look.
While the AUDAC CS74 is designed for robust and long-term operation, certain features contribute to its ease of maintenance and longevity. The removable front grill is a key aspect, allowing access to the speaker's internal components and mounting mechanism without requiring the entire unit to be dismounted. This facilitates potential repairs, adjustments, or cleaning of the speaker cone if necessary.
For environments where high vibrations are a concern, the CS74 includes a thoughtful design element: small rubber pieces that can be pushed into the groove where the grill fits. These rubber pieces act as dampeners, ensuring the grill remains securely in place and does not dislodge due to vibrations, thus preventing potential damage or rattling noises. This simple yet effective feature enhances the speaker's reliability and maintains its aesthetic integrity over time. The secure mounting mechanism, once tightened, ensures that the speaker remains fixed in the ceiling, reducing the need for frequent re-adjustments. The robust construction and straightforward connection points also contribute to minimal maintenance requirements, making the CS74 a reliable choice for professional audio installations.
| Impedance | 8 Ω |
|---|---|
| Tweeter Size | 1 inch |
| Weight | 1.2 kg |
| Type | Coaxial |
| Woofer Size | 6.5 inch |
| Enclosure | Plastic |