QSC AD-C4T-BK ลำโพงติดเพดาน 4.5 นิ้ว 30 วัตต์ แบบ 2 ทาง ให้เสียงที่ครอบคลุมพื้นที่
7,600฿
QSC AD-C4T-BK ลำโพงติดเพดาน 4.5 นิ้ว 30 วัตต์ แบบ 2 ทาง โซลูชั่นเสียงคุณภาพระดับพรีเมียม โดยประสิทธิภาพความครอบคลุมที่สม่ำเสมอ และมีความสวยงาม
| SPECIFICATIONS | AD-C4T |
| Effective frequency range1 | 70 Hz – 20 kHz |
| Rated noise power / voltage2 | 30 watts / 22 volts (rms) |
| Sensitivity [dB]3 | 87.5 |
| Sensitivity at 4m, | |
| 100V maximum tap | TBD |
| Rated coverage (-6 dB)4 | 150° conical DMT™ |
| 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-inch] weather resistant paper cone woofer |
| HF transducer | 19 mm [0.75-inch] 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-34 |
| 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-inch] |
| Net weight | 2.9 kg [6.4 lb] |
| Product dimensions (Diameter x Height) | Ø 230 x 176 mm [Ø 9.06 x 6.93-inch] |
| 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-inch] (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) |
| Safety Agency | 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. |
1 Half Space, -10dB from on-axis sensitivity
2IEC60268-5 50hz high passed noise at 2 Hrs, 16Ω
3 Free-field, on-axis, 2.83V, 1m
4-6 dB from on-axis, 500 Hz–5 kHz average
5Calculated from rated noise voltage and sensitivity
