AD-C4T-ZB
4.5-inch, 2-way, zero bezel
Features & Benefits
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
Technical Specifications
| 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 tap |
87.5 TBD |
| 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) 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: 167Ω |
| 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 7.7-inch] |
| Net weight | 2.9 kg [6.4 lb] |
| Product dimensions (Diameter x Height) | Ø 230 × 176 mm [Ø 9.06 × 6.93-inch] |
| Shipping weight | 9.3 kg [20.5 lb] (pair packed) |
| Shipping dimensions (H x W x D) | 279 × 711 × 318 mm [11 × 28 × 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. |
