Price: $196.00
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    Item #: AD-C4T-BK

    Description

    4.5" Two-way ceiling speaker, 70/100v transformer with 16Ω bypass, 150° conical DMT coverage, includes C-ring and rails for blind mount installation, Ø195mm cut-out. Available in black. Priced individually but must be purchased in pairs.

    Specifications

    4.5" small format, ceiling mount

    loudspeaker

    Restaurant ∙ Retail ∙ Audio Visual ∙ Education ∙ Concourses ∙ Casinos ∙

    Transportation Terminals ∙ Worship Facilities ∙ Large System Ancillary Support

    AD-C4T

    EN54-24 Listed

    AcousticDesign™ Series

    AD-C4T-WH

    AD-C4T-BK

    Features

    • Consistent tonal characteristics

    across the entire AcousticDesign

    Series for surface, ceiling, and

    pendant 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

    • Intrinsic Correction™ voicings

    available via the Q-SYS Platform

    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, 0359-CPR-00623

    • Available in black (RAL 9011) or

    white (RAL 9010)

    • Complete EASE, CF2, CAD, &

    BIM information available online

    The QSC AcousticDesign™ AD-C4T is a

    4.5" two-way ceiling loudspeaker ideally

    suited for a wide variety of foreground and

    background sound reinforcement

    applications which utilize 70/100V or 16Ω

    bypass configurations.

    The AcousticDesign™ Series offers

    integrators a premium quality installed

    sound solution where performance,

    consistent coverage, and aesthetics are

    paramount. Specifically designed to

    maintain a consistent tonal characteristic

    across the entire family in ceiling, surface,

    and pendant applications, the

    AcousticDesign Series allows integrators

    seamless transitions within blended

    installations.

    The AD-C4T features a high quality 4.5"

    weather treated paper cone woofer with a

    1" voice coil and a .75" aluminum dome

    tweeter which is positioned on a DMT

    waveguide.

    DMT (Directivity Matched Transition™) is

    QSC’s design philosophy where the high

    frequency waveguide is matched to the

    natural conical behavior of the woofer at the

    crossover point. The result is a coherent

    transition between transducers with

    improved off-axis power response for

    consistent 150° conical DMT coverage.

    The accurate frequency response of the

    AD-C4T is maintained even in 70/100V

    applications by use of a low-loss, lowsaturation 30-watt transformer with

    selectable taps, including 16Ω bypass,

    using a rotary selector located under the

    snap-fit magnetically attached powder coat

    steel grille.

    To retain lasting good looks, the rugged

    ABS baffle is further protected by using UV

    inhibitors that prevent discoloration and by

    a powder coated steel back can. The

    magnetic grille features a stick-on logo that

    can be removed blemish-free for

    installations where branding is not

    permitted.

    Installers will appreciate the 3x double

    stepped, long travel dog-ear blind mounting

    system, which captures from 0" - 2.25" of

    ceiling thickness. The conduit cover plate

    can be easily removed by losening the

    single captive Phillips screw allowing access

    to the locking 4-pole Euro-block connector

    which can accept up to four 18AWG pairs,

    eliminating the hassles of star topology

    wiring designs.

    Intrinsic Correction™ voicings that optimize

    performance and speed the install process

    are easily deployed via the Q-SYS Platform

    including CXD-Q Series amplifiers, as part

    of a complete QSC systems solution.

    The AD-C4T is available in QSC standard

    black (RAL 9011) or white (RAL 9010) and

    may be painted to match any decor.

    For your system integration needs,

    complete EASE, CF2, CAD, and BIM files

    are available for download at QSC.com.

    1675 MacArthur Boulevard • Costa Mesa, CA 92626 • Ph: 800/854-4079 or 714/957-7100 • Fax: 714/754-6174 please recycle

    © 2017 QSC, LLC all rights reserved. QSC and the QSC logo are registered trademarks of QSC, LLC in the U.S. Patent and Trademark office and other

    countries. All other trademarks are the property of their respective owners. Patents may apply or be pending.

    AD-C4T Spec Sheet 07/25/2017

    AD-C4T-BK, AD-C4T-WH Details

    Impedance / Frequency Response:

    As part of QSC’s ongoing commitment to product development,

    specifications are subject to change without notice.

    [7.48 in]

    190 mm

    [9.06 in]

    230 mm

    [6.74 in]

    171 mm

    [6.94 in]

    176 mm

    Specifications

    System Details AD-C4T-BK, AD-C4T-WH

    LF transducer 110 mm [4.5 in] weather treated paper cone woofer

    HF transducer 19 mm [.75 in] aluminum dome tweeter

    Effective frequency range 1, 2, 3, 8 70 Hz – 20 kHz

    Rated noise power / voltage 6 30 watts / 22 volts (rms)

    Sensitivity [dB] Rated @1W, 1m 2, 3, 4, 8 : 87

    EN54-24 @1W, 4m 9 : 73

    Coverage (‐6 dB) [°]

    Horizontal / Vertical 9

    Rated 2, 5, 8 : 150 conical DMT

    500Hz: 176 / 176, 1kHz: 160 / 160

    2kHz: 156 / 152, 4kHz: 103 / 111

    Declared values of SPL, 1/3rd

    octave band CPB, 1W, 4m,

    EN54-24 eq applied [Hz : dB]9

    500: 59.1; 630: 59.4; 800: 60.0; 1000: 60.0

    1250: 61.0; 1600: 60.5; 2000: 62.3; 2500: 61.0

    3150: 58.0; 4000: 62.2

    EN54-24 Equalization 9 High Pass, 24dB/oct, Butterworth, Fc: 70Hz

    Low Shelf, 12dB/oct, (Q)1.2 / (BW)1.17, Fc: 340Hz, Gain: -5dB

    High Shelf, 12dB/oct, (Q)0.8 / (BW)1.70, Fc: 6kHz, Gain: +5dB

    Directivity factor 2, 5, 8 4.5

    Directivity index [dB] 2, 5, 8 6.5

    Maximum SPL [dB] Rated, 1m (continuous / peak) 7 : 102 / 108

    EN54-24, 4m (low-Z / Highest-tap) 9 : 85.51 / 86.52

    Recommended amplifier 60 watts

    Transformer taps / impedance Bypass:16Ω

    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

    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 in]

    Net weight 2.9 kg [6.4 lb]

    Product dimensions (Ø x H) Ø 230 x 176 mm [Ø 9.06 x 6.94 in.]

    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 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)

    Safety Agency EN54-24: 2008 type A, 0359-CPR-00623

    UL1480, UL2043, NFPA90, NFPA70 suitable for use in air

    handling spaces. Transformer UL registered per UL1876,

    ROHS, CE compliant. Baffle meets UL94-V0 and UL94-5VB

    flamibility rating; in accordance with IEC60849 / EN60849

    systems.

    1

    -10dB from rated sensitivity

    2

    Full-space, IEC baffle, 4m

    3

    Reference axis

    4

    200 - 10kHz average

    5

    500 - 5kHz average

    6

    IEC, 2hrs

    7

    Calculated from rated noise power and sensitivity

    8 Reference plane is the plane coincident with the loudspeaker baffle plane. Reference axis is the axis perpendicular to

    the reference plane and passing through the center of the baffle. Vertical plane is the plane intersecting the reference

    plane at a right angle, including the reference axis and the taps selector knob. Horizontal plane is the plane intersecting

    the reference plane and the vertical plane at a right angle, including the reference axis.

    9

    Per EN54-24

    1k 10k

    100

    Frequency (Hz)

    Beamwidth (-6 dB) (deg)

    200 500 2k 5k 20k

    200

    70

    50

    30

    20

    Beamwidth: