Overview
4.5" Two-way ceiling speakers, 70/100V transformer with 16Ohm bypass, zero bezel design, 150° conical DMT coverage, includes C-ring and rails for blind mount installation. White Only.
Features
- Consistent tonal characteristics across the entire AcousticDesign™ family in both surface or ceiling applications
- Sleek zero bezel design for modern architectural needs
- Directivity Matched Transition® (DMT) waveguide ensures smooth, uniform frequency response over the coverage area
- Snap-fit magnetic grille
- 3x double stepped, long travel dog-ear blind mount system
- Advanced Intrinsic Correction™ voicings available via Q-SYS™
- Low-saturation and low-loss 70/100V transformers with 16Ω bypass
- Blemish-free removable logo
- Removable conduit cover plate, also available as accessory for pre-install wiring
- Available in signal white (RAL 9003)
- Complete EASE, CAD, & BIM information available online
QSC 4.5" Two-way ceiling speakers, 70/100V transformer with 16Ohm bypass, White
SPECIFICATIONS
AD-C4T-ZB
Effective frequency range1
70 Hz – 20 kHz
Rated noise power / voltage2
30 watts / 22 volts (rms)
Sensitivity [dB]3
Sensitivity at 4m,
100V maximum tap87.5
TBDRated coverage (-6 dB)4
150° conical DMT™
Directivity factor (Q)4
4.5
Directivity index (DI) [dB]4
6.5
Maximum continuous SPL [dB]5
102
Maximum peak SPL [dB]5
108
Nominal impedance [ohms]
16
Recommended amplifier
60 watts
Transformer taps / impedance
16Ω (in bypass setting)
3.75W (70V); 7.5W (100V) Tap: 1333Ω
7.5W (70V); 15W (100V) Tap: 667Ω
15W (70V); 30W (100V) Tap: 333Ω
30W (70V); N/A (100V) Tap: 167ΩLF transducer
114 mm [4.5-inch] weather resistant paper cone woofer
HF transducer
19 mm [0.75-inch] aluminum dome tweeter
Input connector type
Euroblock connector with parallel output
Enclosure material
ABS baffle on powder coated steel back can
Grille material
Powder coated steel
Ingress protection
IP-34
Operating environment
Designed for indoor use
Operating temperature range
-20 to 50° C [-4 to 122° F]
Cutout dimension
Ø 190 mm [Ø 7.48-inch]
Net weight
2.9 kg [6.4 lb]
Product dimensions (Diameter x Height)
Ø 230 x 176 mm [Ø 9.06 x 6.93-inch]
Shipping weight
9.3 kg [20.5 lb] (pair packed)
Shipping dimensions (H x W x D)
279 x 711 x 318 mm [11 x 28 x 12.5-inch] (pair packed)
Included accessories
C-ring and tile rails, rail screws, euroblock connector, cut-out template, grille
Optional accessories
AD-MR4 (pre-install mud ring), 190 mm cutout size
Safety Agency
UL1480, UL2043, NFPA90, NFPA70 suitable for use in air handling spaces. Transformer UL registered per UL1876, ROHS, C-Tick X000, CE compliant. Baffle meets UL94-V0 and UL94-5VB flammability rating; in accordance with IEC60849 / EN60849 systems.