L-ACOUSTICS XT Manual V1.1 11-02-03 47
7.2 115XT ELEMENT SPECIFICATIONS
Frequency Response
Frequency response: 60 – 18k Hz (± 3 dB) (FRONT preset)
Usable bandwidth: 50 – 18k Hz (-10 dB)
Sensitivity
LF (2.83 Vrms at 1 m) 98 dB SPL (60 – 1k Hz)
HF (2.83 Vrms at 1 m) 108 dB SPL (1 – 18 kHz)
Power Rating Amplification Impedance
(Long Term) (recommended) (nominal)
LF 45 Vrms 250 Wrms 1000 Wpeak 500 W 8 ohms
HF 26 Vrms 85 Wrms 350 W peak 350 W 8 ohms
Nominal Directivity (-6 dB)
Axi-symmetrical 80° (± 20°)
System Output SPL
One enclosure 122 dB (cont) 128 dB (peak) FRONT preset
124 dB (cont) 130 dB (peak) FILL preset
126 dB (cont) 132 dB (peak) 3W preset
FRONT preset provides 3 dB low and high frequency contours under freefield conditions
FILL preset provides nominally flat response under freefield conditions
3W preset applies a 100 Hz high pass filter.
Components
LF 1 x 15” weather resistant loudspeaker (3” voice coil)
HF 1 x 1.4” exit compression driver (titanium diaphragm, 3” voice coil, coaxial assembly)
Enclosure
Height 580 mm 22.8 in
Front Width 440 mm 17.3 in
Rear Width 167 mm 6.6 in
Depth 475 mm 18.7 in
Trap Angle 41 degrees with respect to vertical
Net Weight 29.5 kg 65 lbs
Shipping Weight 33.2 kg 73.2 lbs
Shipping Dimensions 655 x 500 x 570 mm
25.8 x 19.7 x 22.4 in
Connectors 2x 4-pin Neutrik speakon
Material 18 mm, 30 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, handles and pole mount socket
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