The QSC AcousticCoverage™ Series AC-S4T is a surface mounted 4″ two-way loudspeaker with 70/100V transformer, suitable for a wide variety of audio/video conferencing reinforcement, voice paging and background music applications.
Audio Products, Wall Speaker
QSC AC-S4T 4.5-inch 2-way, 130° conical
•16 Watts at 8Ω nominal setting, 16/8/4/2 W multi-tap at 100V
•Frequency Range (-10 dB)1 70 Hz–20 kHz
•Nominal Sensitivity: 97 dB SPL @ 1 m (3.3 ft)
•Rated Maximum SPL 103 dB @ 1 m (3.3 ft), 16W tap
•Dimension 230 × 160 × 150mm
Specification
| Specifications | AC-S4T |
| Effective frequency range1 | 70 Hz–20 kHz |
| Rated noise power / voltage2 | 16 watts / 11.3 volts rms |
| Broad-band sensitivity3 | 85 dB SPL |
| Coverage angle (-6 dB) | 130° conical (500 Hz–5 kHz) |
| Directivity factor (Q) | 6 |
| Directivity Index | 8 dB |
| Maximum continuous SPL4 | 97 dB |
| Maximum peak SPL4 | 103 dB |
| Rated impedance | 8 ohms |
| Recommended amplifier power | 32 watts into 8 ohms |
| Transformer taps | 70V: 16, 8, 4, 2, 1 watts 100V: 16, 8, 4, 2 watts 8 ohm bypass |
| LF transducer | 114 mm (4.5-inch) Polypropylene woofer with 25 mm (1-inch) voice coil |
| HF transducer | 25 mm (1-inch) Aluminium dome tweeter with 25 mm (1-inch) voice coil |
| Input connector type | Euroblock connector with parallel output |
| Enclosure material | UV treated, high impact ABS polymer |
| Grille material | Powder coated steel |
| Yoke material | Powder coated steel with brass inserts |
Enclosure Details
|
IP-44 Designed for indoor use -20 to 50° C (-4 to 122° F) |
| Product Dimensions (HWD) inches | 9.1 x 6.3 x 5.9 |
| Product Dimensions (HWD) mm | 230 × 160 × 150 |
| Net Weight | 5.3 lb / 2.4 kg |
| Shipping weight | 5.3 kg (11.8 lb) pair packed |
| Shipping Dimensions (HWD) inches | 11.5 × 8.1 × 14.5 pair packed |
| Shipping Dimensions (HWD) mm | 292 x 206 x 368 pair packed |
| Included accessories | Yoke mount system, euroblock connector |
|
1 Free-field, -10 dB from on-axis sensitivity |
|
Features
- High quality transducers provide exceptional clarity through the critical voice range.
- Improved musicality often not seen in typical BGM class products.
- Ported baffle for increased low frequency extension down to 70 Hz.
- Low saturation 70/100V transformers with 8 ohm bypass.
- 4-pole Euroblock connector eases system wiring.
- Intrinsic Correction™ voicings available via Q-SYS Platform.
- Available in black (RAL 9011) or white (RAL 9010).
- Complete EASE, CAD & BIM information available online.
Additional Resources
Spec-Sheet :
Download
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