ราคาพิเศษ สอบถามโทร 080-6144774 , 02-9810944

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QSC AD-C4T ลำโพงติดเพดาน 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. 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 black (RAL 9011) or white (RAL 9010)

Complete EASE, CF2, CAD, & BIM information available online

SPECIFICATIONS

AD-C4T

Effective frequency range1

60 Hz – 20 kHz

Rated noise power / voltage2

30 watts / 22 volts (rms)

Sensitivity [dB]3

Sensitivity at 4m, 

100V maximum tap

87.5

TBD

Rated coverage (-6 dB)4

Coverage angle by frequency 

Conical coverage

150° conical DMT

500Hz 1000Hz 2000Hz 4000Hz

160° 155° 150° 140°

One-third octave frequency band contribution at full power using 100V maximum tap (Hz / dB)

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

Directivity factor (Q)4 4.5

Directivity index (DI) [dB]4 6.5

Maximum continuous SPL [dB]5 102

Maximum peak SPL [dB]5 108

Nominal impedance [ohms]16

Recommended amplifier60 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-54

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 (Diameter x Height)

Ø 230 x 176 mm [Ø 9.06 x 6.93 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) 

AD-CC4 (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.