| 频率范围 (-10dB) |
62 Hz – 20 kHz |
| Frequency Response (±3 dB) |
96 Hz – 15 kHz |
| 额定功率 |
IEC System Long-Term Ratings (low-Z direct):
100 Watts Continuous Program Power
50 Watts Continuous Pink Noise (200W peak), 100 hrs |
| Rated Noise Power |
30W (30W tap) |
| Rated Noise Voltage |
70V/100V (with 70V/100V tap settings) |
灵敏度 |
91 dB (1kHz - 16 kHz) |
| EN54 Sensitivity (@ 4m) |
77 dB (per EN54-24 spectrum and measurement conditions at 4 meters). |
| 覆盖角度 |
110° conical (1 kHz - 16 kHz) |
| Coverage Angles(by Frequency) Conical (Vertical & Horizontal) |
500 Hz: 180°1000 Hz: 160°2000 Hz: 155°4000 Hz: 92° |
| Reference Axis |
Specification and measurement reference is directly on-axis vertically and horizontally, directly below the speaker as speaker it is installed in the horizontal ceiling plane |
| Directivity Factor (Q) |
7.8 |
| Directivity Index (DI) |
8.2 dB |
| Maximum SPL (1m) |
108 dB (low-impedance, 116 dB peak)
106 dB (top 70V/100 tap)
EN54: 91 dB (4m, top 70/100V tap) |
| EN54 Max SPL (@ 4m) |
91 dB (per EN54-24 spectrum and measurement conditions, 30W tap, at 4 meters) |
| 阻抗 |
8 ohms (in direct/bypass 8 ohm setting); EN54 nominal impedance 7 ohms (based on min Z of 5.7 ohms at 11.2 kHz) 3.8W@70V; 7.5W@100V Tap: 1333Ω 7.5W@70V; 15W@100V Tap: 667Ω 15W@70V; 30W@100V Tap: 333Ω 30W@70V; N/C@100V Tap: 166Ω |
| 变压器抽头 |
30W, 15W, 7.5W @ 70V or 100V (plus 3.8W @ 70V only) |
| Crossover Network |
12 dB/oct (2nd order) low-pass to LF driver, 12 dB/oct (2nd order) high-pass to HF driver |
| 保险丝 |
Thermal Fuse, open temperature 152 degrees C, Rating >= 10A @ 250VAC |
| Drivers |
LF Driver: 165 mm (6.5 in)
HF Driver: 19 mm (3/4 in) |
| Connections |
Input +, Input -, Earth (connected to backcan). Ceramic with brass inserts (3.2 mm/0.126 in opening), accommodates 2.5 sq mm / 12 AWG wire. |
| Gland Nut/Strain Relief |
Accommodates round jacketed cables 4.0 mm (0.16 in) through 9.0 mm (0.36 in) |
| Materials |
ABS baffle with UL94-V0 and UL94-5VB flame class fire rating; Zinc-plated steel backcan |
| Safety Agency |
EN54-24:2008 certified Type A (Certificate No. 0359-CPR-00485); Compliant with BS5839/8; UL1480, UL2043, NFPA90 & NFPA70; Suitable for use in air handling spaces, Signaling Speaker; rated IP-21 per IEC529/60529; Transformer UL registered per UL1876; ROHS, C-tick N108, CE compliant; Baffle meets UL94-V0 and UL94-5VB flammability rating; In accordance with IEC60849/ EN60849 systems |
尺寸 |
253 mm diameter x 262 mm from back of baffle to back of gland nut (10.0 in diameter x 10.3 in in depth) |
| Ceiling Cutout Size |
Circular cutout with 223 mm (8.8 in) diameter (cardboard cutout template included) |
| Ceiling Thickness Range |
Up to 38 mm (1.5 in) with stock dog-ears. MTC-TCD thickceiling dog-ears available for up to 60 mm (2.4 in) ceiling thicknesses |
| Safety Seismic Attachment |
One point, top surface |
| 净重量 |
3.4 kg (7.4 lbs, one speaker) |
运输重量 |
11.2 kg (24.7 lbs, pair in master carton) |
随附配件 |
C-ring support backing plate, 2 tile support rails (for 2 ft or 600 mm tile spans; optional MTC-48TR extension available for larger 4 ft or 1200 mm tile spans), cutout template, paint shield, grille |
| Optional Accessories |
MTC-16WG high humidity grille MTC-26NC new construction bracket MTC-26MR mud-ring construction bracket MTC-TCD thick-ceiling dog-ears for ceiling thicknesses up to 60 mm (2.4 in, ordering one set = 24 dogears for 6 speakers) MTC-48TR tile rail for 1200 mm (4 ft) tile spans |
| 输入接口 |
Ceramic block with brass inserts |
| 颜色 |
White |
| Backcan |
formed steel (included "blind-mount") |
| Plenum Usage |
Yes, backcan included |
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