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QSC Audio AD-CI52ST
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-CI52ST are ideal for a wide range of business applications, including hotels, restaurants and pubs, retail spaces, convention centers, 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-CI52ST delivers outstanding coverage.
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Specifications GENERAL:
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Configuration: Shallow can, two-way, ported enclosure
- Transducers: Low Frequency Transducer,"5.25"" (13 mm) Weather-resistant, low distortion fiberglass cone woofer
- High Frequency Transducer: 25 mm voice coil, rubber surround
- Frequency Range (#1):
- Frequency Response,63 - 20 kHz (-6 dB)
- Useable Frequency Range: 53 - 20 kHz (-10 dB)
- Maximum Output (#2):
- Calculated Peak Output: 109 dB SPL
- Calculated cont. RMS Output: 103 dB SPL
- Impedance: 8 ohm nominal
- Power Rating:
- Recommended Max Amp Power: 80 W RMS
- RMS Power Handling (#3): 40 W (100 hours IEC)
- Sensitivity: 87.5 dB, 2.83 V, 1 m, flush mounted (2pi)
- Nominal Coverage: 100° conical pattern
- Bass Loading: Ported, tuned to 70 Hz
TRANSFORMERS:
- Type: Custom low distortion laminated core, wide bandwidth design
- Taps: 70/100V: 30, 15, 7.5, 3.8 Watts and 8 ohms selected by switch
- Insertion Loss: 0.8 dB, averaged over 50 Hz - 20 kHz bandwidth (30 W tap)
- Distortion: Less than .01% THD above 100 Hz,
,0.2% at 50 Hz (30 W tap)
- Bandwidth: 40 - 20 kHz (-1 dB, all taps)
ENCLOSURE:
- Material: Injection molded high impact polystyrene baffle on a steel enclosure
- Finish: White (paintable)
- Grill: Heavy duty powder coated steel
- Connectors: 4-pin Euro terminals in fire protective sub-chamber
- Mounting Hardware: Rails and brackets for ceiling
tile installation
NOTES:
1) All frequency ranges specified refer to measured free field response (half space, 2pi)
2) Calculated SPL at 1m, full space (half space 2pi), 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 - 20 kHz band limiting, 6 dB signal crest factor |
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