QSC Audio MD-LP118 User Manual
10
EN
Specifications
MD-LP115
MD-LP118
Frequency Response, ±3dB
37-100 Hz
37-100 Hz
Frequency Range, -10dB
34-110 Hz
34-105 Hz
Maximum Peak SPL
127dB
128dB
Transducer Description
15-in. (381mm) long-throw woofer
18-in. (457mm) long-throw woofer
4-in. (102mm) voice coil with
4-in. (102mm) voice coil with
aluminum demodulating ring
aluminum demodulating ring
Amp Power
800 Watts
800 Watts
Input Sensitivity
1.2V
rms
(+4dB)
1.2V
rms
(+4dB)
Input Headroom/Clipping
7.5V
rms
(+19.5dB)
7.5V
rms
(+19.5dB)
Input Connector/Impedance
XLR female, 20k ohm balanced
XLR female, 20k ohm balanced
Output Connector
XLR male, wired in parallel
XLR male, wired in parallel
with Input connector
with Input connector
Controls, Indicators, and
Gain control, 100 Hz Hi-cut filter switch, Clip/Limit (red LED), Signal
Adjustments
presence (green LED), AC Power (blue LED)
Protection, Agency certs.
Thermal limiting, On/Off muting, AC in-rush current limiting (<12A peak)
FCC class B (conducted and radiated emissions), UL/CE listed
FCC class B (conducted and radiated emissions), UL/CE listed
AC Power Requirements
Configured at the factory for 120V or 240V nominal, 50/60 Hertz
AC Power Connector
Factory supplied cordset: Neutrik Powercon on 10’ (3m) #18AWG 120V North American cordset
Dimensions
20.5” (521mm) W, 35.0” (889mm) H, 18.0” (457mm) D
Allow for 4.0” (100mm) of free space behind the enclosure to assure proper amplifier cooling
Allow for 4.0” (100mm) of free space behind the enclosure to assure proper amplifier cooling
Weight
99 lb/44.9 kg
100 lb/45.4 kg
Finish and Grill
Wear resistant textured paint finish with powder-coated perforated steel grill, black
colored enclosures are supplied with handles and white colored enclosures are not
supplied with handles. 15 load-rated pick points that accept 3/8-inch, 16 threads per inch forged
shoulder eye bolts.
colored enclosures are supplied with handles and white colored enclosures are not
supplied with handles. 15 load-rated pick points that accept 3/8-inch, 16 threads per inch forged
shoulder eye bolts.
Notes:
1- Maximum Peak SPL: Calculated by adding the loudspeaker’s sensitivity (1W at 1m) to the peak power (dBw) of the amplifier provided.
2- Amplifier Power: The maximum sustained power at less than 1% clipping, averaged over the intended frequency range,
3- Input Sensitivity: The sine-wave input voltage required to reach amplifier clipping, measured within the frequency range used to determine Maximum Peak SPL, with the gain on “normal” and no gain reduction
2- Amplifier Power: The maximum sustained power at less than 1% clipping, averaged over the intended frequency range,
3- Input Sensitivity: The sine-wave input voltage required to reach amplifier clipping, measured within the frequency range used to determine Maximum Peak SPL, with the gain on “normal” and no gain reduction
due to limiting.
4- Input Headroom/Clipping: Maximum input voltage.
5- Input Connector/Impedance: RF shunt capacitance should not reduce impedance by more than 30% at 20k Hz.
5- Input Connector/Impedance: RF shunt capacitance should not reduce impedance by more than 30% at 20k Hz.