AD-C4T-LP

4.5-inch, 2-way, low profile, 150° conical DMT™

  • Hero front and side view of the AD-C4T-LP in-ceiling speaker
  • Hero front view of the AD-C4T-LP in-ceiling speaker with and without the speaker grill
  • Hero view of installing and removing the AD-C4T speaker grill
Image of two Acoustic Design Series AD-C4T Speakers

This product has been discontinued. Please check with your Q-SYS regional sales representative for remaining stock availability.

Consider the AD-C4T-LPZB loudspeaker as a replacement:

  • The AD-C4T-LPZB is a 4.5-inch, 2-way, low profile, zero bezel loudspeaker that features consistent tonal characteristics across the AcousticDesign™ series.
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Features

  • Consistent tonal characteristics across the entire AcousticDesign™ family in both surface or ceiling applications
  • 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
  • UL1480 and UL2043 certified
  • Available in white (RAL 9010)
  • Complete EASE, CF2, CAD, & BIM information available online

SPECIFICATIONS

AD-C4T-LP

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

TBD

Rated coverage (-6 dB)4

150° conical DMT™

Directivity factor (Q)

4.5

Directivity index (DI) [dB]

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 245 mm [Ø 9.65-inch]

Net weight

3 kg [6.6 lb]

Product dimensions (Diameter x Height)

Ø 280 x 100 mm [Ø 11.02 x 3.93-inch]

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-inch](pair packed)

Included accessories

C-ring and tile rails, rail screws, euroblock connector, cut-out template, tether grille

Optional accessories

AD-MR6 (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.
Optional accessories AD-MR6 (pre-install mud ring)

 

1 Half Space, -10dB from on-axis sensitivity 
2IEC60268-5 50hz high passed noise at 2 Hrs, 16Ω
3 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