QSC HF-63 Manual

QSC Højttaler HF-63

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*TD-000149-00*

Cinema Loudspeaker Systems User Manual

HF-63 High Frequency Component

Introduction

The HF-63 is the high frequency component of two-way, biamplified screen

channel loudspeaker systems for high performance cinema applications. It

was designed to operate with and be directly mounted on QSC’s LF-3115 or

LF-3215 cinema woofer.

The HF-63 high-frequency system features a large format, 2.5” (63.5mm)

titanium diaphragm compression driver mounted on a custom designed high-

frequency cinema horn with an adjustable pan and tilt bracket. The horn fea-

tures broad horizontal and vertical coverage angles to ensure coverage of

every seat in the auditorium. The horn is a low-distortion waveguide provid-

ing highly articulate dialogue without coloration associated with conven-

tional horn loudspeakers.

The HF-63 includes a driver protection and equalization network to assure

reliable operation. DC blocking capacitors protect against DC or low-fre-

quency signals that could damage an unprotected driver. Power limiter cir-

cuitry protects the driver from over-powering and a response correction filter

smoothes the frequency response of the horn/driver combination. Outboard

processing is required, however, as the response correction filter is not a

crossover.

The HF-63 components come pre-assembled to reduce field assembly time.

Three bolts are all that are required to secure the HF-63 to the top of a QSC

low frequency enclosure.

Mounting

Refer to the illustration for mounting information. The HF-63 attaches to the

top of the LF-3115 or LF-3215 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 compound when installing

the bolts to prevent loosening due to vibration. Aim the horn in the horizon-

tal plane (pan) before tightening. Adjust the vertical tilt with the bracket

adjustment.

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. Ser-

vicing 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, cab-

inets, transducers, 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, profes-

sional engineer when any doubt or questions arise regarding

a physical equipment installation.

TD-000170-00 rev.C

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

Connections

HF INPUT Terminals

The HF-63 has barrier strip screw terminals that accept up to #10 AWG (5.3mm 2) stranded loudspeaker wire. Connect the amplifier’s

high frequency output signal to the loudspeaker’s HF INPUT terminals. Observe proper polarity; amplifier’s + signal to loudspeaker +

HF INPUT, amplifier’s - signal to loudspeaker - HF INPUT. Use the largest wire size and shortest wire length for the application.

NOTE! Maintain proper loudspeaker connection polarity throughout the entire system for maximum performance.

Do not apply full range signal to the HF-63! There is no crossover in the HF-63, only an equalization and protection

network. All required signal processing must be done before the signal is applied to the HF-63.

HF OUTPUT Terminals

The HF OUTPUT terminals are factory-connected to the compression driver. These terminals should ONLY be connected to the HF-63’s

compression driver.

Compression

Driver

Amplifier

Processed high

frequency pro-

gram signal

QSC DCM or other

active crossover

Note: The HF-63 connection enclosure

does not contain a crossover network!

Ensure only high frequency signal is

applied to HF INPUT terminals or com-

pression driver damage will occur.

HF-63 connec-

tion terminals

Produkt Specifikationer

Mærke:	QSC
Kategori:	Højttaler
Model:	HF-63

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