รายละเอียดย่อ :
ลำโพงเพดาน 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. Priced individually but must be purchased in pairs.
รายละเอียดทั้งหมด :
QSC AD-C4T-LP ลำโพงเพดาน 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.
Priced individually but must be purchased in pairs.
Feature.
- 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
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SPECIFICATIONS
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AD-C4T-LP
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Effective frequency range1
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68 Hz – 20 kHz
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Rated noise power / voltage2
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30 watts / 22 volts (rms)
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Sensitivity [dB]3
Sensitivity at 4m, 100V maximum tap
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87
TBD
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Rated coverage (-6 dB)4
Coverage angle by frequency
Conical coverage
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150° conical DMT
500Hz 1000Hz 2000Hz 4000Hz
160° 160° 160° 160°
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One-third octave frequency band contribution at full power using 100V maximum tap (Hz / dB)
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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
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Directivity factor (Q)
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4.5
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Directivity index (DI) [dB]
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6.5
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Maximum continuous SPL [dB]5
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102
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Maximum peak SPL [dB]5
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108
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Nominal impedance [ohms]
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16
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Recommended amplifier
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60 watts
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Transformer taps / impedance
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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
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LF transducer
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114 mm [4.5 in] weather resistant paper cone woofer
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HF transducer
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25 mm [1 in] aluminum dome tweeter
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Input connector type
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Euroblock connector with parallel output
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Enclosure material
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ABS baffle on powder coated steel back can
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Grille material
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Powder coated steel
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Ingress protection
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IP-54
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Operating environment
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Designed for indoor use
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Operating temperature range
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-20 to 50° C [-4 to 122° F]
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Cutout dimension
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Ø 245 mm [Ø 9.65 in]
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Net weight
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3 kg [6.6 lb]
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Product dimensions (Diameter x Height)
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Ø 280 x 100 mm [Ø 11.02 x 3.93 in.]
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Shipping weight
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10.2 kg [22.5 lb] (pair packed)
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Shipping dimensions (H x W x D)
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183 x 699 x 394mm [7.2 x 27.5 x 15.5 in](pair packed)
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Included accessories
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C-ring and tile rails, rail screws, euroblock connector, cut-out template, tether grille
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Optional accessories
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AD-MR6 (pre-install mud ring)
AD-CC6 (pre-install conduit cover)
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Safety Agency
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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.
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