AD-S402T

Features & Benefits

The AcousticDesign™ Series AD-S402T is a 4-driver column surface-mount loudspeaker. This premium full range system is capable of 70 V / 100 V or 16 ohm bypass loads, making it ideal for a wide variety of foreground and background applications with acoustically challenged environments. Equipped with a unique pan/tilt mounting system, the column surface-mount loudspeakers offer multiple positioning locations allowing the loudspeaker to remain close to the wall while delivering up to -20° downward tilt.

  • Deliberately unobtrusive industrial design.

  • Available in white (RAL 9010) or black (RAL 9011).

  • Paintable enclosure and grille.

  • Complete EASE, CLF, CAD & BIM information.

  • Rugged aluminum construction.

  • UV Inhibitors in all white models.

  • IP-54 rating for dust and splash resistance.

  • Powder-coated grille and weather-treated cones.

  • Close to wall pan/tilt bracket included.

  • Low saturation 70 V / 100 V transformers.

  • 16 ohm low impedance bypass.

  • Screw-down Euro block connector with loop-through.

  • Sealable input weather cup – keeps moisture away from wiring.

Technical Specifications

System Details AD-S402T-BK, AD-S402T-WH
LF Transducer (x4) 2.75 in (69.8 mm) weather treated paper cone woofer
Effective frequency range1, 2, 3, 8 110 Hz – 20 kHz
Rated noise power / voltage 6 60 W / 31 V (rms)
Sensitivity [dB] Rated @1 W, 1m2, 3, 4, 8: 85
Coverage (-6 dB) [°]
Horizontal x Vertical9
Rated2, 5, 8: 150 × 35
500 Hz: 180 × 90,
1kHz: 180 × 80
2k Hz: 160 × 46,
4kHz: 180 × 28
Directivity factor 2, 5, 8 11
Directivity index [dB] 2, 5, 8 10.5
Maximum SPL [dB] Rated, 1m (continuous / peak) 7: 105 / 111
Recommended amplifier 120 W
Transformer taps / impedance Bypass: 16 Ω
3.5 W (70 V); 7.5 W (100 V) Tap: 1333 Ω
7.5 W (70 V); 15 W (100 V) Tap: 666 Ω
15 W (70 V); 30 W (100 V) Tap: 333 Ω
30 W (70 V); Tap: 167 Ω
Input connector type Euroblock connector with parallel output
Enclosure material Powder coated aluminum
Grille material Powder coated aluminum
Ingress protection IP-54
Operating environment Designed for indoor or outdoor use
Operating temperature range -4 to 122° F (-20 to 50° C)
Net weight 7.5 lb (3.4 kg)
Product dimensions (H x W x D) 12.89 × 5.17 × 4.97 in
(327.5 × 131.3 × 126.1 mm)
Shipping Weight 11 lb (5 kg)
Shipping Dimensions (H x W x D) 21.4 × 12.2 × 9.6 in
(544 × 310 × 244 mm)
Included accessories Sealed input cover plate with gland nut
Quick Hang Pan/Tilt wall bracket
Shoulder eyebolt safety tether anchor
Safety Agency UL1480A
Transformer UL registered per UL1876, ROHS, CE compliant

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