Manuals / QSC Audio / Home Audio / Speaker

QSC Audio AD-C81Tw user manual Specifications

Models: AD-C81Tw

1 8
Download 8 pages 1.72 Kb
Page 6
Image 6

Specifications

AD-C81Tw

Frequency Response1: 50- 200k Hz (-3 dB), 25- 200 Hz (-10 dB)

Maximum Output2: 112 dB SPL continuous rms output

(calculated)

118 dB SPL peak output

Transducers:LF: 203 mm (8”), 19 mm (0.75”) voice coil;

Nominal Coverage:

180° conical (average 2.5 kHz - 10 kHz)

Impedance (ohms):

8.0 nom./ 8.3 min. @ 42 Hz.

Power Rating3:

 

rms (IEC 100 hrs):

100 watts rms (100 watts)

recommended amp power:

200 watts rms, maximum

Sensitivity:

92.0 dB, 1 watt, 1 meter, flush mounted (2 pi)

Bass Loading:

ported, tuned to 42 Hz

Optional Processing:

125 Hz. low pass >12 dB/octave xover.

Dimensions:

see drawings

Net Weight:

AD-C81Tw: 9.1 kg (20.0 lb.)

Enclosure:

Corrosion-resistant power coated steel enclosure with injection-molded plastic baffle. Press on metal

 

grille

Mounting System:

Captive, integral mounting clamps. Insert enclosure into cutout, and tighten. Suspended ceiling C-ring

 

and support bars included.

Connectors:

Ceramic block connector inputs and terminal block “through” connectors (rated for 400W max).

Controls:

Transformer “tap” selector/ bypass (8 ohm) switch, settings: 7.5, 15, 30, and 60 watts (15, 30, 60 watts

 

for 100V) and 8 ohms. Averaged over 50Hz - 20kHz bandwidth (60W tap).

 

Transformer Distortion: less than .01% THD above 100Hz, 0.2% @ 50Hz (30W tap). Bandwidth: 40 - 20k

 

Hz (-1dB, all taps).

Agency Listings: CE, UL 1480 (commercial/professional use, outdoor damp), UL 2043 (air handling spaces).

Specification Notes:

1- All frequency ranges specified refer to measured half-space response (2 pi).

2- Calculated maximum peak SPL at 1 m, half-space, speaker operating at rated rms power pink noise input, 50 Hz to 20 kHz.

3- Maximum input power tested in accordance with IEC recommendations; 50 Hz to 20 kHz band limiting, 6 dB signal crest factor.

Specifications are subject to change without notice.

For detailed information, visit QSC’s web site at http://www.qscaudio.com or call us at 1-800-854-4079 (toll-free USA only)

Page 5 Page 7
Page 6
Image 6
QSC Audio AD-C81Tw user manual Specifications
Page 5 Page 7

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.