QSC Audio MD-L115 - Manual (Page 3)

Specifications
Specifications subject to change without notice.
MD-F152/94r MD-F152/124r MD-L115 MD-L118
Configuration
Low-frequency
15" transducer with 4" voice 15" transducer with 4" voice
coil, ferrite magnet coil, ferrite magnet
High-frequency 90° x 40° rotatable horn with 120° x 40° rotatable horn with
1.4" exit dia., 2.5" voice coil, 1.4" exit dia., 2.5" voice coil,
neodymium magnet neodymium magnet
Frequency Response (-6 dB) 1 50 Hz - 17 kHz 50 Hz - 17 kHz 48 Hz - 1.8 kHz 55 Hz - 2.2 kHz
Frequency Range (-10 dB) 1 45 Hz - 20 kHz 45 Hz - 20 kHz 35 Hz - 1.9 kHz 45 Hz - 2.5 kHz
Impedance
Passive
8Ω 8Ω 8Ω 8Ω
Biamp 8Ω LF / 8Ω HF 8Ω LF / 8Ω HF − −
Sensitivity 2
Passive 96 dB 96 dB 96 dB 98 dB
Biamp 96 dB LF / 109 dB HF 96 dB LF / 107 dB HF − −
RMS Power Handling
Passive
3 400 W 400 W 900 W* 900 W*
Biamp 4 500 W LF / 63 W HF 500 W LF / 63 W HF − −
Maximum Output at 1 m
Passive - Continuous
5 122 dB 122 dB 125.5 dB 127.5 dB
- Peak 6 128 dB 128 dB 131.5 dB 133.5 dB
Biamp - Continuous 5 123 dB LF / 127 dB HF 123 dB LF / 125 dB HF − −
- Peak 6 129 dB LF / 133 dB HF 129 dB LF / 131 dB HF − −
Recommended Amplifier Power
Passive
800 W 800 W 1800 W 1800 W
Biamp 1 000 W LF / 125 W HF 1000 W LF / 125 W HF − −
Nominal Coverage (-6 dB) 90° x 40° 120° x 40° − −
Enclosure
Input Connectors
Terminal strips
Suspension Points 15 load-rated attachment points that accept 3/8"-16 threaded hardware
Finish Wear resistant textured paint. Available in black and white (handles on black only)
Grille Powder-coated perforated steel with black foam backing
Dimensions (HWD) 35" x 20.5" x 16.67" 35" x 20.5" x 16.67" 35" x 20.5" x 16.67" 35" x 20.5" x 16.67"
(889 mm x 521 mm x 423.4 mm) (889 mm x 521 mm x 423.4 mm) (889 mm x 521 mm x 423.4 mm) (889 mm x 521 mm x 423.4 mm)
Weight 85 lbs (38 kg) 85 lbs (38 kg) 90 lbs (41 kg) 89 lbs (40 kg)
1) Free Field Response (4π)
2) 1W, 1M Free-Field (4π) except MD-L115 and MD-L118, which are groundplane measurements
3) Measured per AES1984
4) AES1984 50 - 500 Hz (LF), 1 - 10 kHz x (HF); Power = V 2 / Z min
5) Calculated based on sensitivity and continuous power handling capacity
6) Calculated based on sensitivity and 6 dB peak-to-average ratio of signal used for continuous power handling test
* AES1984-2, 40 - 400, 2 hours; Power = V
2 / Z min
15" long-throw woofer with
4" voice coil, aluminum
demodulating ring 18" long-throw woofer with
4" voice coil, aluminum
demodulating ring