QSC AD-C6T User Manual
AcousticDesign™ Series
AD-C6T-WH
AD-C6T-BK
6.5" small format, ceiling mount
loudspeaker
AD-C6T
EN54-24 Listed
Features
• Consistent tonal characteristics
across the entire AcousticDesign
family 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 Q-SYS Platform
including CXD-Q Series 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-CPR00623
• Available in black (RAL 9011) or
white (RAL 9010)
• Complete EASE, CF2, CAD, &
BIM information available online
Restaurant ∙ Retail ∙ Audio Visual ∙ Education ∙ Concourses ∙ Casinos ∙
Transportation Terminals ∙ Worship Facilities ∙ Large System Ancillary Support
The QSC AcousticDesign™ AD-C6T is a
6.5" 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-C6T features a high quality 6.5"
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 135° conical DMT coverage.
The accurate frequency response of the
AD-C6T is maintained even in 70/100V
applications by use of a low-loss, lowsaturation 60-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. A locking 4-pole
Euro-block connector that can accept four
18AWG pairs eliminates the termination
hassles of star topology wiring designs.
Intrinsic Correction™ voicings that optimize
performance and speed the install process
are easily deployed via the Q-SYS
Platforms, including CXD-Q Series
amplifiers, as part of a complete QSC
systems solution.
The AD-C6T 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.
AD-C6T-BK, AD-C6T-WH Details
1 k 1 0k
1 00
Fre que nc y (H z)
Beamwidth (-6 dB) (deg)
2 00 5 00 2 k 5 k 2 0k
2 00
7 0
5 0
3 0
2 0
100 1k 10k 20k
(dB) Level, Sound pressure
Impedance, Amplitude (ohm)
Frequency (Hz)
20 50 200 500 2k 5k
FLC: Frequency Res ponse (Raw), 1W, 1m
FLC: Frequency Res ponse
(
Intrinsic Correction(tm)), 1W, 1m
iFLC: SPL, 1/3rd octa ve band, 1W,
4m, EN54-24 eq applied
iFRC: Impe dance (Direct)
100
90
80
70
60
50
100
80
60
40
20
0
95
85
75
65
55
90
70
50
30
10
Impedance / Frequency Response:
Beamwidth:
Dimensions:
237 mm
232 mm
[9.32 in]
[9.12 in]
240 mm
[9.45 in]
280 mm
[11.02 in]
As part of QSC’s ongoing commitment to product development,
specifications are subject to change without notice.
1
-10dB from rated sensitivity
2
Full-space, IEC bafe, 4m
3
Reference axis
4
200 - 10kHz average
5
500 - 5kHz average
6
IEC, 2hrs
7
Calculated from rated noise power and sensitivity
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© 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
Specifications
System Details AD-C6T-BK, AD-C6T-WH
LF transducer 165 mm [6.5 in] weather treated paper cone woofer
HF transducer 19 mm [.75 in] aluminum dome tweeter
Effective frequency range
Rated noise power / voltage
Sensitivity [dB] Rated @1W, 1m
Coverage (‐6 dB) [°]
Horizontal / Vertical
Declared values of SPL, 1/3rd
octave band CPB, 1W, 4m,
EN54-24 eq applied [Hz : dB]
EN54-24 Equalization
Directivity factor
Directivity index [dB]
Maximum SPL [dB] Rated, 1m (continuous / peak) 7 : 106 / 112
Recommended amplier 60 watts
Transformer taps / impedance Bypass:16Ω
Input connector type Euroblock connector with parallel output
Enclosure material ABS bafe 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 4.3 kg [9.5 lb]
Product dimensions (Ø x H) Ø 280 x 237 mm [Ø 11.02 x 9.32 in.]
Shipping weight 12.6 kg [27.8 lb] (pair packed)
Shipping dimensions (H x W x D) 330 x 737 x 381 mm [13 x 29 x 15 in] (pair packed)
Included accessories C-ring and tile rails, rail screws, euroblock connector, cut-out
Optional accessories AD-MR6 (pre-install mud ring)
Safety Agency EN54-24: 2008 type A, 0359-CPR-00623
8
Reference plane
to the reference plane and passing through the center of the bafe.
reference plane at a right angle, including the reference axis and the taps selector knob.
intersecting the reference plane and the vertical plane at a right angle, including the reference axis.
9
countries. All other trademarks are the property of their respective owners. Patents may apply or be pending.
AD-C6T Spec Sheet 07/25/2017
Per EN54-24
1, 2, 3, 8
65 Hz – 20 kHz
6
60 watts / 31 volts (rms)
EN54-24 @1W, 4m 9 : 74
Rated
9
500Hz: 176 / 177, 1kHz: 151 / 151
2kHz: 99 / 130, 4kHz: 71 / 59
500: 59.4; 630: 59.2; 800: 61.8
1000: 62.1; 1250: 61.6; 1600: 62.9
9
2000: 64.4; 2500: 61.9; 3150: 63.2; 4000: 65.7
9
High Pass, 12dB/oct, Butterworth, Fc: 200Hz
High Shelf, 12dB/oct, (Q)1 / (BW)1.38, Fc: 8kHz, Gain: +4dB
2, 5, 8
2, 5, 8
6.5
8
EN54-24, 4m (low-Z / Highest-tap) 9 : 92.31 / 91.80
7.5W (70V); 15W (100V) Tap: 667Ω
15W (70V); 30W (100V) Tap: 333Ω
30W (70V); 60W (100V) Tap: 167Ω
60W (70V); N/A (100V) Tap: 83Ω
template, grille
UL1480, UL2043, NFPA90, NFPA70 suitable for use in air
handling spaces. Transformer UL registered per UL1876,
ROHS, CE compliant. Bafe meets UL94-V0 and UL94-5VB
amibility rating; in accordance with IEC60849 / EN60849
systems.
is the plane coincident with the loudspeaker bafe plane.
2, 3, 4, 8
2, 5, 8
: 135° conical DMT
: 88
Reference axis
Vertical plane
is the axis perpendicular
is the plane intersecting the
Horizontal plane
is the plane
please recycle
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