QSC Audio MD-L115 - Manual (Page 2)

MD Series
Loudspeakers
MD-F122/64r MD-F122/94r MD-F122/124r MD-F152/64r
Configuration
Low-frequency
12" transducer with 4" voice 12" transducer with 4" voice 12" transducer with 4" voice 15" transducer with 4" voice
coil, ferrite magnet coil, ferrite magnet coil, ferrite magnet coil, ferrite magnet
High-frequency 60° x 40° rotatable horn with 90° x 40° rotatable horn with 120° x 40° rotatable horn with 60° x 40° rotatable horn with
1.4" exit dia., 2.5" voice coil, 1.4" exit dia., 2.5" voice coil, 1.4" exit dia., 2.5" voice coil, 1.4" exit dia., 2.5" voice coil,
neodymium magnet neodymium magnet neodymium magnet neodymium magnet
Frequency Response (-6 dB) 1 50 Hz - 18 kHz 50 Hz - 17 kHz 50 Hz - 15 kHz 50 Hz - 16.5 kHz
Frequency Range (-10 dB) 1 45 Hz - 18.5 kHz 45 Hz - 20 kHz 45 Hz - 18 kHz 45 Hz - 18.5 kHz
Impedance
Passive
8Ω 8Ω 8Ω 8Ω
Biamp 8Ω LF / 8Ω HF 8Ω LF / 8Ω HF 8Ω LF / 8Ω HF 8Ω LF / 8Ω HF
Sensitivity 2
Passive 95 dB 95 dB 95 dB 96 dB
Biamp 95 dB LF / 110 dB HF 95 dB LF / 109 dB HF 95 dB LF / 107 dB HF 96 dB LF / 110 dB HF
RMS Power Handling
Passive
3 400 W 400 W 400 W 400 W
Biamp 4 500 W LF / 63 W HF 500 W LF / 63 W HF 500 W LF / 63 W HF 500 W LF / 63 W HF
Maximum Output at 1 m
Passive - Continuous
5 121 dB 121 dB 121 dB 122 dB
- Peak 6 127 dB 127 dB 127 dB 128 dB
Biamp - Continuous 5 122 dB LF / 128 dB HF 122 dB LF / 127 dB HF 122 dB LF / 125 dB HF 123 dB LF / 128 dB HF
- Peak 6 128 dB LF / 134 dB HF 128 dB LF / 133 dB HF 128 dB LF / 131 dB HF 129 dB LF / 134 dB HF
Recommended Amplifier Power
Passive
800 W 800 W 800 W 800 W
Biamp 1000 W LF / 125 W HF 1000 W LF / 125 W HF 1000 W LF / 125 W HF 1000 W LF / 125 W HF
Nominal Coverage (-6 dB) 60° x 40° 90° x 40° 120° x 40° 60° 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 86 lbs (39 kg) 86 lbs (39 kg) 86 lbs (39 kg) 85 lbs (38 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
Specifications subject to change without notice.