QSC AD-C81Tw

QSC AD-C81Tw 8-inch subwoofer

8″ polypropylene cone woofer

Large port area for extended low-frequency performance

Defeatable passive 120 Hz low-pass filter with impedance compensation

100 watts continuous power handling, 400 watts peak

70/100 V multitap transformer with 8 ohm bypass

C-ring and tile rails included

Side cable entry

Package Includes:

AD-C81Tw loudspeaker

C-ring and tile rails

Round grille (white, paintable)

Paint mask

Connector assembly.

Package Includes:

SPECIFICATIONS	AD-C81Tw
Configuration	Ceiling subwoofer, ported
Low-frequency Transducer	8-inch (20 cm) weather resistant, polypropylene cone woofer, rubber surround
Frequency Range ¹ Frequency Response (-6 dB) Useable Frequency Range (-10 dB)	39 Hz to 184 Hz 28 Hz to 208 Hz
Filter	120 Hz low pass, passive, bypassable
Maximum Output ² Calculated Peak Output Calculated Continuous Output	118 dB SPL 112 dB SPL
Nominal Impedance	8 ohms switchable
Power Rating Continuous power handling³ Recommended amplifier power (loudspeakerprogram» power)	100 W (100 hours IEC) 200 W
Sensitivity	92 dB, 2.83 V, 1 m, free space (4 pi)
TRANSFORMERS
Type	Custom low distortion laminated core, wide bandwidth design
Taps (switch selected)	70 V: 60, 30, 15, 7.5 W; 8Ω 100 V: 60, 30, 15 W; 8Ω
Environmental	Exceeds Mil Spec 810 for humidity, salt spray and dust; IEC 60529 IP-X3 splash rating
Agency Rating	Listed UL1480, UL2043 safe for use in air handling spaces; Transformer is Listed UL1876; Compliant BS/EN 60849 safety standards
ENCLOSURE
Material	Injection molded, high impact polystyrene baffle on a steel enclosure
Finish	White (paintable)
Grille	Painted aluminum
Connectors	Ceramic block or 4-pin Euro terminals in fire protective sub-chamber
Mounting Hardware	Rails and C-ring for ceiling tile installation
Weight	20 lb (9.1 kg) Net 28 lb (12.7 kg) Shipping
Available Accessories	ADC-MRS Mud ring bracket • ADC-NCS New construction bracket