QSC AC-S4T 4.5" Two-Way Surface Speaker
Vendor: QSC
Available
QSC AC-S4T 4.5" Two-Way Surface Speaker
This pair of QSC AC-S4T AcousticCoverage Loudspeakers from QSC is a set of 2-way, surface mounted loudspeakers with 70/100V transformers, very well suited for sound reinforcement, voice paging and background music applications.
Each of QSC AC-S4T loudspeakers is designed as a 4" polypropylene cone transducer with a 1" aluminum dome tweeter and a butyl rubber surround designed offering a clarity through the critical vocal range for increased speech intelligibility. The QSC AC-S4T, with 130° of conical coverage, is reducing the number of loudspeakers required for even coverage in close proximity.
The ported baffle assembly and UV treated high-impact ABS enclosure has been optimally tuned for creating low frequency extension down to 70 Hz and for added musicality. The QSC AC-S4T is utilizing a low-loss 70/100V transformer and 16W low-saturation with varying selectable taps, including an 8-ohm bypass to maintaining this frequency response.
By using the Q-Sys networked audio processing platforms you can obtained the advanced voicing via QSC Intrinsic Correction techniques, including CXD amplifiers for a complete QSC systems solution. Located on the rear of the enclosure is the loudspeaker features a 4-pole Euroblock connector for loop thru wiring. The Euroblock can accept four 18AWG pairs.
The QSC AC-S4T features brass inserts to accept the included yoke mount, and it can be secured by using the supplied thumb bolts. The grille has a rotatable logo and spring loaded for installation convenience in either vertical or horizontal deployments. To assist in successful systems integration, complete CAD, BIM and EASE files are available for download online.
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.
- Advanced voicing via QSC Intrinsic Correction™, applied using Q-SYS processing or CXD amplifier platforms.
- Available in black (RAL 9011) or white (RAL 9010).
- Complete EASE, CAD & BIM information available online.
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 |