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.
- 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
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, | 87.5 |
Rated 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) |
LF 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 195 mm [Ø 7.68-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) |
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. |
