| Frequency Range (-10 dB) |
68 Hz – 17 kHz
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| Frequency Response (±3 dB) |
95 Hz – 15 kHz
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| Power Capacity (at low-Z) |
IEC System Long-Term Ratings (low-Z direct):
40 Watts Continuous Program Power
20 Watts Continuous Pink Noise (80W peak), 100 hr
|
| Rated Noise Power |
15W (15W tap)
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| Rated Noise Voltage |
70V/100V (with 70V/100V tap settings)
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| Sensitivity (1W, 1m) |
84 dB (1kHz - 16 kHz)
|
| EN54 Sensitivity (@ 4m) |
72 dB (per EN54-24 spectrum and measurement conditions at 4 meters.)
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| Coverage Angle |
130° conical coverage (1 kHz - 16 kHz)
|
| Coverage Angels(by Frequency)Conical (Vertical & Horizontal) |
500 Hz: 180°1000 Hz: 175°2000 Hz: 170°4000 Hz: 160°
|
| 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
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| Directivity Factor (Q) |
9.8
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| Directivity Index (DI) |
7.4 dB
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| Rated Maximum SPL |
97 dB (low-impedance, 103 dB peak)
94 dB (top 70V/100 tap)
EN54: 84 dB (4m, top 70/100V tap)
|
| Impedance |
8 ohms (in direct/bypass setting)
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| Transformer Taps |
15W, 7.5W, 3.8W @ 70V or 100V (plus 1.9W @ 70V only)
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| Fuse |
Thermal Fuse, open temperature 152 degrees C, Rating >= 10A @ 250VAC
|
| Drivers |
76 mm (3 inch) with polypropylene cone, butyl rubber surround, anodized aluminum voice coil former, high temperature voice coil
|
| Connections |
Input +, Input -, Earth (connected to backcan). Ceramic block 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
|
| Dimensions (H x W x D) |
196 mm diameter x 174 mm from back of baffle to back of gland nut (7.7 in diameter x 6.9 in in depth)
|
| Ceiling Cutout Size |
Circular cutout with 170 mm (6.7 in) diameter (cardboard cutout template included)
|
| Ceiling Thickness Range |
Up to 35 mm (1.4 in) with stock dog-ears. MTC-TCD thickceiling dog-ears available for up to 55 mm (2.2 in) ceiling thicknesses
|
| Safety Seismic Attachment |
One point, top surface
|
| Net Weight |
1.6 kg (3.5 lbs, one speaker)
|
| Shipping Weight |
6.7 kg (14.7 lbs, pair in master carton)
|
| Included Accessories |
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-12WG high humidity grille MTC-24NC new construction bracket MTC-24MR mud-ring construction bracket MTC-TCD thick-ceiling dog-ears for ceiling thicknesses up to 55 mm (2.2 in, ordering one set = 24 dogears for 8 speakers) MTC-48TR tile rail for 1200 mm (4 ft) tile spans
|
| Input Connectors |
Ceramic block with brass inserts
|
| Color |
White
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| Backcan |
formed steel (included "blind-mount")
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| Baffle/Rim |
ABS baffle with UL94-V0 and UL94-5VB flame class fire rating.
|
| Plenum Usage |
Yes, backcan included
|