Frequency Range (-10dB) |
74 Hz – 20 kHz |
Power Rating |
IEC System Long-Term Ratings (low-Z direct):
60 Watts Continuous Program Power
30 Watts Continuous Pink Noise (120W peak), 100 hr |
Transformer Taps |
25 W, 12.5 W, 6.3 W @ 70V or 100V (plus 3.2 W @ 70V only) |
Frequency Response (±3 dB) |
100 Hz – 20 kHz |
Sensitivity |
87 dB (1kHz - 16 kHz) |
Coverage Angle |
120° conical |
Directivity Factor (Q) |
7.6 |
Directivity Index (DI) |
8.1 dB |
Maximum SPL (1m) |
101 dB (low-impedance, 108 dB peak)
101 dB (top 70V/100V tap) |
Impedance |
8 ohms (in direct/bypass 8Ω setting) |
Crossover Network |
12 dB/oct (2nd order) low-pass to LF driver, 12 dB/oct (2nd order) high-pass to HF driver |
Drivers |
LF Driver: 100 mm (4.0 in)
HF Driver: 19 mm (3/4 in) |
Input Connectors |
Removable locking 4-pin connector with screw-down terminals. Max wire size 12 AWG (2.5 mm2) |
Connector Wiring |
Pin 1 = + In; Pin 2 = - In; Pin 3 = + Loop Thru; Pin 4 = - Loop Thru |
Strain Reliefs |
Strain relief for two cables or two flex conduits via coupled clamping mechanism |
Materials |
ABS baffle with UL94-V0 and UL94-5VB flame class fire rating. Zinc-plated steel backcan |
Safety Agency |
UL1480, UL2043, NFPA90 & NFPA70; S7232/UL Listed, Suitable for use in air handling spaces, Signaling Speaker; 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 |
196 mm diameter x 181 mm depth from back of baffle (7.7 in diameter x 7.1 in depth) |
Ceiling Cutout Size |
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 thick-ceiling dog-ears available for up to 55 mm (2.2 in) ceiling thicknesses |
Safety Seismic Attachment |
One point, top surface |
Net Weight |
2.2 kg (4.8 lbs, one speaker) |
Shipping Weight |
8.2 kg (17.9 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, removable locking multi-pin connector, grille |
Optional Accessories |
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 dog-ears for 8 speakers) MTC-48TR tile rail for 1200 mm (4 ft) tile spans |
Color |
White or Black |
Backcan |
formed steel (included "blind-mount") |
Baffle/Rim |
ABS baffle with UL94-V0 and UL94-5VB flame class fire rating. |
Plenum Usage |
Yes, backcan included |