QSC AD-C4T-LP

4.5" Two-way low-profile ceiling speaker, 70/100V transformer with 16Ω bypass, 150° conical DMT coverage, includes C-ring and rails for blind mount installation, Ø245 mm cut-out. Available in white, Priced individually but must be purchased in pairs.

SKU: QSC-AD-C4T-LP

MSRP: $218.00

MAP: $218.00

Description

Overview

The QSC AD-C4T-LP is a ceiling speaker with consistent tonal characteristics across the entire AcousticDesign™ family in both surface or ceiling applications. It also has DMT (Directivity Matched Transition™) waveguide that ensures smooth, uniform frequency response over the coverage area.

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

Specs

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	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 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-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 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, tether grille
Optional accessories	AD-MR6 (pre-install mud ring) AD-CC6 (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.

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