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Specifications
AD-CI52T AD-CI52ST
Frequency Response1:85- 20k Hz (-6 dB), 65- 20k Hz (-10 dB) 63- 20k Hz (-6 dB), 53- 20k Hz (-10 dB)
Maximum Output2:102 dB SPL continuous rms output 103.5 dB SPL continuous rms output
(calculated) 108 dB SPL peak output 109.5 dB SPL peak output
Transducers: LF: 133 mm (5.25”), 25 mm (1”) voice coil; LF: 133 mm (5.25”), 25mm (1”) voice coil;
weatherproof, low-distortion fiberglass cone. weatherproof, low-distortion fiberglass cone.
HF: 25mm (1”) titanium dome, neodymium HF: 25mm (1”) titanium dome, neodymium
magnet. magnet.
Nominal Coverage: 90° conical (average 1 kHz - 4 kHz) 100° conical (average 1 kHz - 4 kHz)
Impedance (ohms): 8.0 nom./ 6.4 min. @ 15 kHz. 8.0 nom./ 6.0 min. @ 13 kHz.
Power Rating3:
rms (IEC 100 hrs): 40 watts rms (30 watts, AD-C52T) 40 watts rms (30 watts, AD-C52ST)
recommended amp power: 80 watts rms, maximum 80 watts rms, maximum
Sensitivity: 86.0 dB, 1 watt, 1 meter, flush mounted (2 pi) 87.5 dB, 1 watt, 1 meter, flush mounted (2 pi)
Bass Loading: sealed ported, tuned to 75 Hz.
Optional Processing: 65 to 125 Hz. high pass >12 dB/octave 55 to 125 Hz. high pass >12 dB/octave
Dimensions: see drawings see drawings
Net Weight: AD-CI52T: 3.4 kg (7.5 lb.) AD-CI52ST: 3.9 kg (8.5 lb.)
Enclosure: Corrosion-resistant plated steel enclosure with injection-molded plastic baffle. Press on metal grill.
Mounting System: Captive, integral mounting clamps. Insert enclosure into cutout, and tighten. Suspended ceiling C-ring
and support bars included.
Connectors: Terminal block connector inputs and terminal block “through” connectors (rated for 400W max).
Controls: Transformer “tap” selector/ bypass (8 ohm) switch, settings: 3.75, 7.5, 15, and 30 watts (7.5, 15, 30 watts
for 100V) and 8 ohms. 70/100V Insertion loss: 0.8 dB, Averaged over 50Hz - 20kHz bandwidth (30W 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)