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AD-C4T-LP
AD-C4T-LP

Key Features

  • Consistent tonal characteristics across the entire AcousticDesign™ family in both surface or ceiling applications
  • DMT (Directivity Matched Transition™) 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™ networked audio processing platforms, including CXD amplifiers
  • 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
  • UL1480 and UL2043 certified EN54-24 Type A (pending)
  • Available in white (RAL 9010)
  • Complete EASE, CF2, CAD, & BIM information available online

Specification

SPECIFICATIONS AD-C4T-LP
Effective frequency range1  68 Hz – 20 kHz
Rated noise power / voltage2 30 watts / 22 volts (rms)

Sensitivity [dB]3

Sensitivity at 4m, 
100V maximum tap

87

TBD

Rated coverage (-6 dB)4

Coverage angle by frequency 

Conical coverage

150° conical DMT


500Hz 1000Hz 2000Hz 4000Hz


160° 160° 160° 160°

One-third octave frequency band contribution at full power using 100V maximum tap (Hz / dB) 500 / 57.4; 630 / 57.4; 800 / 57.4 
1000 / 57.4; 1250 / 57.4; 1600 / 57.4 
2000 / 57.4; 2500 / 57.4; 3150 / 57.4 
4000 / 57.4
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 in] weather resistant paper cone woofer
HF transducer 25 mm [1 in] 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-54
Operating environment Designed for indoor use
Operating temperature range -20 to 50° C [-4 to 122° F]
Cutout dimension Ø 245 mm [Ø 9.65 in]
Net weight 3 kg [6.6 lb]
Product dimensions (Diameter x Height) Ø 280 x 100 mm [Ø 11.02 x 3.93 in.]
Shipping weight 10.2 kg [22.5 lb] (pair packed)
Shipping dimensions (H x W x D) 183 x 699 x 394mm [7.2 x 27.5 x 15.5 in](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) 
AD-CC4 (pre-install conduit cover)
Safety Agency EN54-24: 2008 type A (No. pending) 
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.

1Half Space, -10dB from on-axis sensitivity 
2IEC60268-5 50hz high passed noise at 2 Hrs, 16?
Free-field, on-axis, 2.83V, 1m
4-6 dB from on-axis, 500 Hz–5 kHz average
5Calculated from rated noise voltage and sensitivity

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Quick Start Guide

Specification sheets

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