Specification
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 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-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.