AD-CI52ST/CI52T
AcousticDesign™ Ceiling Speakers
Features
•Wide bandwidth, high fidelity performance— ensures a full, rich, musical sound with low distortion
•Shares driver technology with AD-S
(surface mount) loudspeakers for seamless sonic integration—provides the ability to mix speaker models within zones for the best possible coverage
•AD-CI52ST employs shallow can—can be mounted in ceilings and standard architectural walls
•True high fidelity, 2-way design—speakers feature a 1" titanium HF dome tweeter for exceptional sound quality from a ceiling format loudspeaker
QSC’s new AcousticDesign “C” Series represents the state-of-the-art for in-ceiling speakers. Delivering exceptional sound quality and value for background music and paging systems, the AD-CI52T and AD-CI52ST are ideal for a wide range of business applications, including hotels, restaurants and pubs, corporate offices, retail spaces, convention centers, recreation facilities, churches, airports, etc.
Featuring an unusually wide frequency range and the ability to deliver higher SPLs, the AcousticDesign Series loudspeakers provide natural sounding lows and transparent highs for a truly musical sound with very low distortion. Coupled with wide and even dispersion, the AD-CI52T and AD-CI52ST deliver outstanding coverage.
The AcousticDesign “C” Series ceiling speakers employ a 5.25" weather-resistant LF transducer incorporating a low-distortion fiberglass cone, a 25 mm voice coil, and a rubber surround. The HF driver is a 1" pure titanium dome tweeter utilizing a neodymium magnet structure. With its larger, ported enclosure, the AD-CI52ST provides greater low-frequency extension and makes an excellent choice for installations requiring shallow install depth—such as cruise ships. By contrast, the AD-CI52T has a smaller “footprint”—enabling this speaker to be less visually intrusive. While both models are weather resistant, the AD-CI52T, by not being a ported enclosure, carries the added benefit of being a fully sealed speaker system.
The AcousticDesign ceiling speakers are packaged with the backcan, support bracket, tile rails, and a grille. For integration with any décor, the trim and grille can be painted. Additionally, these speakers are well suited for use in air handling spaces per UL2043 and UL1480. There is also a seismic tab provided for secondary support.
Specifications |
AD-CI52ST |
AD-CI52T |
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Configuration |
Shallow can, 2-way, ported enclosure |
Compact 2-way, sealed enclosure |
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Transducers |
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Low-frequency Transducers |
5.25" (13 cm) weather resistant, |
5.25" (13 cm) weather resistant, |
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low distortion fiberglass cone woofer, |
low distortion fiberglass cone woofer, |
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25 mm voice coil, rubber surround |
25 mm voice coil, rubber surround |
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High-frequency Transducer |
1" titanium dome tweeter, |
1" titanium dome tweeter, |
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neodymium magnet |
neodymium magnet |
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Frequency Range1 |
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Frequency Response (-6 dB) |
63 Hz – 20 kHz |
85 Hz – 20 kHz |
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Useable Frequency Range (-10 dB) |
53 Hz – 20 kHz |
65 Hz – 20 kHz |
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Maximum Output2 |
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Calculated Peak Output |
109 dB SPL |
108 dB SPL |
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Calculated Continuous Output |
103 dB SPL |
102 dB SPL |
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Nominal Impedance |
8Ω |
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8Ω |
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Power Rating |
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RMS Power Handling3 |
40 W (100 hours IEC) |
40 W (100 hours IEC) |
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Recommended Max Amp Power |
80 W RMS |
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80 W RMS |
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Sensitivity |
87.5 dB, 2.83V, 1 m, |
86 dB, 2.83V, 1 m, |
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flush mounted (2π) |
flush mounted (2π) |
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Nominal Coverage |
100° conical pattern |
90° conical pattern |
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Bass Loading |
Ported, tuned to 70 Hz |
Sealed |
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Transformers |
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Type |
Custom low distortion laminated core, wide bandwidth design |
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Taps |
70/100 V: 30, 15, 7.5, 3.8 W and 8Ω selected by switch |
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Insertion Loss |
0.8 dB, averaged over 50 Hz – 20 kHz bandwidth (30 W tap) |
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Distortion |
< .01% THD above 100 Hz, 0.2% at 50 |
Hz (30 W tap) |
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Bandwidth |
40 Hz – 20 kHz (-1 dB, all taps) |
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Enclosure |
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Material |
Injection molded, high impact polystyrene baffle on a steel enclosure |
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Finish |
White (paintable) |
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Grille |
Heavy duty powder coated steel |
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Connectors |
4-pin Euro terminals in fire protective sub-chamber |
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Mounting Hardware |
Rails and brackets for ceiling tile installation |
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Weight - Net / Shipping (pair) |
8 lb (3.6 kg) / 27 lb (12.2 kg) |
7.5 lb. (3.4 kg) / 24 lb (10.9 kg) |
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Available Accessories |
ADC-MRS |
Mud ring bracket |
ADC-MR |
Mud ring bracket |
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ADC-NCS |
New construction bracket |
ADC-NC |
New construction bracket |
1)All frequency ranges specified refer to measured free field response (half space, 2π).
2)Calculated SPL at 1m, (half space, 2π), speaker operating at rated RMS power with pink noise within specified frequency range
3)Maximum input power tested in accordance with IEC 268-5 recommendations, 50 Hz – 20 kHz band limiting, 6 dB signal crest factor.
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