L-ACOUSTICS MTD Manual V1.2 30-11-04 56
8. SPECIFICATIONS
8.1 MTD108a SPECIFICATIONS
Frequency Response
Frequency response: 85 – 20k Hz (± 3 dB) (LLC FRONT position)
Usable bandwidth: 65 – 20k Hz (-10 dB)
Sensitivity
(2.83 Vrms at 1 m) 94 dB SPL (85 – 20k Hz)
Power Rating Amplification* Impedance
(Long Term) (recommended) (nominal)
45 Vrms 250 Wrms 1000 Wpeak 500 W 8 ohms
*Amplifiers must have 32 dB gain in order for LLC 112b-st sense return protection to function properly
Nominal Directivity (-6 dB)
Axi-symmetrical 100° (± 15°)
System Output SPL
One enclosure 116 dB (cont) 122 (peak) FRONT mode
117 dB (cont) 123 dB (peak) MONITOR/XOVER mode
System output gives the unweighted SPL output of the system referenced to 1 m, including preset equalization
and band levelling adjustment as measured under freefield conditions.
FRONT LLC setting provides a 3 dB low frequency contour under freefield conditions
XOVER LLC setting applies a 125 Hz high pass filter.
Components
LF 1 x 8” weather resistant loudspeaker (2” voice coil)
HF 1 x 1” exit neodymium compression driver
(titanium diaphragm, coaxial assembly)
Enclosure
Height 421 mm 16.6 in
Width 250 mm 9.8 in
Depth 242 mm 9.5 in
Trap Angle 22.5 or 45 degrees with respect to vertical
Net Weight 10.5 kg 23.1 lbs
Shipping Weight 11.5 kg 25.3 lbs
Shipping Dimensions 490 x 330 x 310 mm
19.3 x 13.0 x 12.2 in
Connectors 2x 4-pin Neutrik speakon
Material 15 mm, 18 mm Baltic birch plywood
(sealed, screwed and rabbeted angles)
Finish Maroon-gray™
Grill Black epoxy perforated steel with acoustically transparent foam
Rigging Integrated flying hardware and pole mount socket,
Omnimount-ready
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