Instruction d'utilisation QSC Audio MH-1075

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1675 MacArthur Blvd., Costa Mesa, CA, 92626 USA
Main Number (714) 754-6175 Sales & Marketing (714) 957-7100 or toll free (USA only) (800) 854-4079
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Cinema Mid-High Loudspeaker System User Manual
MH-1063 10” (254mm) mid, 2.5” (63mm) compression driver
MH-1075 10” (254mm) mid, 3.0” (75mm) compression driver
Introduction
The MH-1063 and MH-1075 “mid-high packs” provide the mid and high frequency
components of three-way screen c

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Mounting Attaching to Low Frequency Enclosure The mid-high loudspeaker assembly attaches to the top of the QSC low frequency cabinet with three 5/16-18 bolts, 0.75” long, with lock washers. This hardware ships installed on the low frequency cabinet. We recommend the use of serviceable thread locking com- pound when installing the bolts to prevent loosening due to vibration. Do not fully tighten the mounting hardware before aiming (see below). Aiming Aim the horn in the horizontal plane (pan) b

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Connections INPUT Terminals 2 The MH-1063 and MH-1075 have barrier strip screw terminals that accept up to #10 AWG (5.3mm ) stranded loudspeaker wire. Observe proper polarity. Use the largest wire size and shortest wire length for the application. OUTPUT Terminals The OUTPUT terminals are factory-connected to the drivers. These terminals should ONLY be connected to their respective driver. Do not connect signals to these terminals as all protection and equalization circuitry will be bypassed.

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Connections (continued) TRI-AMP mode connections- When the mode switch is set to TRI-AMP, connect the high frequency signal to the terminals marked “INPUT HI + -” and the mid frequency signal to the terminals marked “INPUT MID + -”. TRI-AMP Mode- one amplifier channel is used for the low fre- quency cabinet, one amplifier channel for the mids, and one amplifier channel for the high frequencies. The MH-1063 / MH- 1075 mode switch is set to TRI-AMP, bypassing the internal mid-high passi

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MH-1063 Specifications (subject to change without notice) Freq. Range 180 - 15k (-6dB, full space) Nominal Coverage 90° horizontal X +20 to -30° vertical (50° total, adjustable mount provides for vertical plane adjustments. The horizontal plane can be adjusted by altering mounting position on the low frequency enclosure before tightening bolts. DI: 9 dB (400 to 16k Hertz average) Q: 8 (400 to 16k Hertz average) Max. Output: [Tri-amp mode] Mid Freq. 135.5 dB SPL calculated peak, 1m, full s

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MH-1075 Specifications (subject to change without notice Freq. Range 180 - 15k (-6dB, full space) Nominal Coverage 90° horizontal X +20 to -30° vertical (50° total, adjustable mount provides for vertical plane adjustments. The horizontal plane can be adjusted by altering mounting position on the low frequency enclosure before tightening bolts. DI: 9 dB (400 to 16k Hertz average) Q: 8 (400 to 16k Hertz average) Max. Output: [Tri-amp mode] Mid Freq. 135.5 dB SPL calculated peak, 1m, full sp

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MH-1063 SPL and Impedance vs. Frequency SPL Impedance Frequency (Hertz) MH-1075 SPL and Impedance vs. Frequency SPL Impedance Frequency (Hertz) 7 SPL (dB) SPL (dB) Impedance (Ohms) Impedance (Ohms)

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Warranty (USA only; other countries, see your dealer or distributor) Disclaimer QSC Audio Products, Inc. is not liable for any damage to amplifiers, or any other equipment that is caused by negligence or improper installation and/or use of this loudspeaker product. QSC Audio Products 3 Year Limited Warranty QSC Audio Products, Inc. (“QSC”) guarantees its products to be free from defective material and / or workmanship for a period of three (3) years from date of sale, and will replace defecti