General Specifications
- Frequency Range (-10 dB)
- 68 Hz – 17 kHz
- Power Capacity (at low-Z)
- 40 Watts Continuous Program Power ; 20 Watts Continuous Pink Noise
- Transformer Taps
- 15 W, 7.5 W, 3.8 W @ 70V and 100V (& 1.9 W @ 70V only)
- Frequency Response (±3 dB)
- 95 Hz – 15 kHz
- Nominal Sensitivity
- 84 dB
- Nominal Coverage Angle
- 130° conical coverage
- Directivity Factor (Q)
- 9.8
- Directivity Index (DI)
- 7.4 dB
- Rated Maximum SPL
- 97 dB @ 1 m (3.3 ft) average, 103 dB peak
- Nominal Impedance
- 8 ohms (in direct/bypass 8Ω setting)
- Full-Range Driver
- 76 mm (3 inch) with polypropylene cone, butyl rubber surround, Kapton? voice coil former, high temperature voice coil, aluminum coupling ring for low distortion and HF extension
- 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
- Safety Seismic Attachment
- One point, top surface
- 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
Dimensions
- Diameter
- 196 mm (7.7 in)
- Depth
- 138 mm (5.4 in)
- 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 thick-ceiling dog-ears available for up to 55 mm (2.2 in) ceiling thicknesses.
- Net Weight
- 1.6 kg (3.5 lbs, one speaker)
- Shipping Weight
- 6.7 kg (14.7 lbs, pair in master carton)
