QSC MH-1063 User Manual download pdf

*TD-000180-00*

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 channel loudspeaker systems for high performance

cinema applications. They were designed to operate with and be directly mounted on

QSC’s cinema low frequency enclosures.

Mid frequencies are reproduced with a 10” (254mm) high-efficiency, phase-ring

loaded driver mounted on a custom designed cinema horn. The high-frequency driver

is a large format, 2.5” (63mm, MH-1063) or 3.0” (75mm, MH-1075) titanium dia-

phragm compression driver mounted on a custom high-frequency cinema horn. The

high frequency horn is a low-distortion waveguide providing highly articulate dialogue

without coloration associated with conventional horn loudspeakers. Both horns fea-

ture broad horizontal and vertical coverage angles to ensure coverage of every seat in

the auditorium. The driver assemblies are mounted on an adjustable pan and tilt

bracket that has an integral aiming sight, simplifying installation.

The MH-1063 and MH-1075 loudspeakers include a driver protection and crossover

network to assure reliable operation. DC blocking capacitors protect against DC or

low-frequency signals that could damage an unprotected driver. Power limiter circuitry

protects the driver from over-powering and an 18dB/octave crossover seamlessly

blends the high and mid frequency elements. Outboard processing is required to form

the crossover between the LF and MH loudspeakers.

Bi-amp or tri-amp operation is possible using a selector switch mounted on the con-

nections panel. The bi-amp setting provides a passive crossover network between mid

and high drivers. Separate amplifiers and an active crossover are required for the low

frequency channel and the mid-high channel. Tri-amp setting disables the internal

mid-high crossover and each driver is driven independently by its own amplifier and

active crossover; one for the low, one for the mid, and one for the high frequencies.

The MH-1063 and MH-1075 components come pre-assembled to reduce field assem-

bly time. Three bolts are all that are required to secure the mid-high assembly to the

top of a QSC low frequency enclosure.

Install in accordance with QSC Audio Product’s instructions and a

licensed, professional engineer. Only use attachments, mounts,

accessories, or brackets specified by QSC Audio Products, Inc. Refer

all servicing to qualified personnel. Servicing is required when the

apparatus has been damaged in any way.

WARNING! Before placing, installing, rigging, or suspending any

speaker product, inspect all hardware, suspension, cabinets, trans-

ducers, brackets and associated equipment for damage. Any missing,

corroded, deformed or non-load rated component could significantly

reduce the strength of the installation, placement, or array. Any such

condition severely reduces the safety of the installation and should

be immediately corrected. Use only hardware which is rated for the

loading conditions of the installation and any possible short-term

unexpected overloading. Never exceed the rating of the hardware or

equipment. Consult a licensed, professional engineer when any

doubt or questions arise regarding a physical equipment installation.

TD-000180-00 rev.A

QSC® is a registered trademark of QSC Audio Products, Inc.

“QSC” and the QSC logo are registered with the U.S. Patent and Trademark Office

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

Customer Service(714) 957-7150 or toll free (USA only) (800) 772-2834

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Summary of Contents

Page 1 - *TD-000180-00*

*TD-000180-00*Cinema Mid-High Loudspeaker System User ManualMH-1063 10” (254mm) mid, 2.5” (63mm) compression driver MH-1075 10” (254mm) mid, 3.0” (75m

Page 2 - Mounting

2SettingsBI-AMP / TRI-AMP Operating Mode SelectionSet the operating mode selector switch to BI-AMP or TRI-AMP, depending on your application setup. Mo

Page 3 - Connections

3ConnectionsINPUT TerminalsThe MH-1063 and MH-1075 have barrier strip screw terminals that accept up to #10 AWG (5.3mm2) stranded loudspeaker wire. Ob

Page 4 - Connections (continued)

4Connections (continued)TRI-AMP mode connections- When the mode switch is set to TRI-AMP, connect the high frequency signal to the terminals marked “I

Page 5

5MH-1063 Specifications (subject to change without notice) Freq. Range 180 - 15k (-6dB, full space)Nominal Coverage 90° horizontal X +20 to -30° verti

Page 6

6MH-1075 Specifications (subject to change without noticeFreq. Range 180 - 15k (-6dB, full space)Nominal Coverage 90° horizontal X +20 to -30° vertica

Page 7

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

Page 8 - Contacting QSC Audio Products

Warranty (USA only; other countries, see your dealer or distributor)DisclaimerQSC Audio Products, Inc. is not liable for any damage to amplifiers, or

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