Q-SYS Acoustic Design AD-S4T 4.5-Inch Surface Speaker
QSC AcousticDesign AD-S4T Surface Speaker
Features:
- 4.5″ weather treated woofer; 0.75″ silk dome tweeter
- 120° conical DMT coverage
- 30 watt low-saturation and low-loss 70/100V transformer with 8? bypass
- Maximum peak SPL 110 dB (8 ohm bypass)
- DMTâ„¢ (Directivity Matched Transition) ensures smooth, uniform frequency response over the coverage area
- X-Mountâ„¢ system enables the loudspeaker to be easily installed and deployed at a variety of angles with no slippage over time
- Advanced voicing filter sets using QSC Intrinsic Correctionâ„¢, available through either Q-SYS processing or CXD amplifier platforms
- Lightweight ABS enclosures offer long-term durability and lasting good looks
- Sealed input panel cover and powder coated aluminum grilles for added weather resistance
- Meets IEC60529 IP-54 for dust and splash resistance
- Available in black (RAL 9011) or white (RAL 9010)
- Complete Ease, CF2, CAD, and BIM information available online
Specifications:
- Effective frequency range1: 68 Hz – 20 kHz
- Rated noise power / voltage2: 50 watts / 20 volts (rms)
- Broadband sensitivity3: 87 dB SPL
- Coverage angle: (-6 dB) 120° conical DMT
- Directivity factor (Q): 6
- Directivity Index: 8 dB
- Maximum continuous SPL4: 104 dB
- Maximum peak SPL4: 110 dB
- Rated impedance: 8 ohms
- Recommended amplifier power (loudspeaker “program” power): 100 watts
- Transformer taps:
- 70 V: 30, 15, 7.5, 3.75 W and 8? bypass
- 100V: 30, 15, 7.5 W and 8? bypass
- HF transducer: 0.75″ silk dome tweeter / 0.75″ voice coil, horn loaded
- LF transducer:
- 4.5″ weather resistant paper cone woofer
- 1″ / 25 mm voice coil
- Input connector type: Euroblock connector with parallel output terminals
- Enclosure material: Painted ABS polymer
- Grille material: Powder coated aluminum
- X-Mount material: Powder coated aluminum
- Ingress protection: IP-54
- Operating environment: Designed for indoor and outdoor use
- Testing:
- The AD Series loudspeakers qualified for outdoor use using the following tests:
- Salt fog: MIL-STD-810G Method 509.5 for 100 hrs.
- Humidity: MIL-STD-810G Method 507.5, Natural cycle B2, cyclic high RH for 7 days
- High and low temperature: tested to QSC internal standards between -20° and 50° C
- Net weight: 6.5 lb / 2.9 kg
- Product dimensions (HWD) inches: 10.3 × 6.34 × 6.42
- Product dimensions (HWD) mm: 261 × 161 × 163
- Shipping weight: 16.8 lb / 7.65 kg (pair packed)
- Shipping dimensions (HWD) inches: 15.5 × 10.3 × 18 (pair packed)
- Shipping dimensions (HWD) mm: 394 × 261 × 458 (pair packed)
- Included accessories:
- X-Mount mounting system
- Euroblock connector
- input panel cover
Enclosure Details