Specifications - QSC AcousticDesign AD-C81Tw User Manual

Ceiling mount subwoofer
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Specifications

AD-C81Tw
Frequency Response
:
1
Maximum Output
2
:
Transducers:
Nominal Coverage:
Impedance (ohms):
Power Rating
:
3
Sensitivity:
Bass Loading:
Optional Processing:
Dimensions:
Net Weight:
Enclosure:
Mounting System:
Connectors:
Controls:
Agency Listings:
Specification Notes:
Specifications are subject to change without notice.
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.
TD-000264-00-E
50- 200 kHz (-3 dB), 25- 200 Hz (-10 dB)
112 dB SPL continuous RMS output
Calculated 118 dB SPL peak output
LF: 203 mm (8"), 19 mm (0.75") voice coil;
180° conical (average 2.5 kHz - 10 kHz)
8.0 nom./ 8.3 min. @ 42 Hz.
RMS (IEC 100 hours): 100 W RMS (100 W)
Recommended amp power: 200 watts RMS, maximum
92.0 dB, 1 W, 1 meter, flush mounted (2 pi)
Ported, tuned to 42 Hz
125 Hz. low-pass >12 dB/octave crossover.
See — Figure 7
AD-C81Tw: 9.1 kg (20.0 lb.)
Corrosion-resistant power coated steel enclosure with injection-molded plastic baffle. Press on metal grille
Captive, integral mounting clamps. Insert enclosure into cutout, and tighten. Suspended ceiling C-ring and support bars included.
Ceramic block connector inputs and terminal block "through" connectors (rated for 400 W max).
Transformer "tap" selector/ bypass (8 ohm) switch,
Settings: 7.5, 15, 30, 60 W (15, 30, 60 W for 100 V) and 8 ohms.
Averaged over 50 Hz - 20 kHz bandwidth (60 W tap).
Transformer Distortion less than .01% THD above 100 Hz, 0.2% @ 50 Hz
(30 W tap). Bandwidth: 40 - 20 kHz (-1 dB, all taps).
CE, UL 1480 (commercial/professional use, outdoor damp), UL 2043 (air handling spaces).
8

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