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*TD-000219-00*

Cinema Loudspeaker Systems User Manual

HF-63X1 and HF-63X2

High Frequency Component

Introduction

The HF-63X1 and HF-63X2 are the high frequency components of full-range,

two-way screen channel loudspeaker systems for high performance cinema

applications. The HF-63X1 is designed specifically for use with QSC’s LF-

3115 low frequency loudspeaker and the HF-63X2 for the LF-3215 loud-

speaker.

The HF-63X1/X2 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 features broad horizontal and vertical coverage angles to

ensure coverage of every seat in the auditorium. The horn is a low-distortion

waveguide providing highly articulate dialogue without coloration associ-

ated with conventional horn loudspeakers. Equipped with a passive cross-

over providing tailored output for the LF-3115 or LF-3215, no additional

signal processing is required.

The HF-63X1/X2 components come pre-assembled to reduce field assembly

time. Three bolts are all that are required to secure the HF-63X1/X2 to the

top of a QSC low frequency loudspeaker. Threaded inserts in the LF enclo-

sures and matching punched hole pattern in the HF-63X1/X2 make mounting

to the low frequency enclosure simple.

Mounting

Refer to the illustration for mounting information. The HF-63X1/X2 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 cabi-

net. We recommend the use of serviceable thread locking compound when

installing the bolts to prevent loosening due to vibration. Aim the horn in the

horizontal 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-000219-00 rev.B

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

The HF-63X1/X2 has barrier strip screw terminals that accept up to #10 AWG (5.3mm 2) stranded loudspeaker wire.

INPUT Terminals

Connect the amplifier’s full range output signal to the HF-63X1 or HF-63X2 INPUT terminals. Observe proper polarity; the amplifier’s + signal to

the HF-63X1 or HF-63X2 + INPUT, the amplifier’s - signal to the HF-63X1 or HF-63X2 - INPUT. Use the largest wire size and shortest wire

length for the application.

HF OUT Terminals

The HF OUT terminals are factory-connected to the compression driver. These terminals should ONLY be connected to the HF-63X1 or HF-63X2

compression driver. Observe proper polarity; the + HF OUT signal to the compression driver’s + input, the - HF OUT signal to the compression

driver’s - input.

LF OUT Terminals

The HF-63X1 is designed specifically for use with QSC’s LF-3115 low frequency loudspeaker and the HF-63X2 for the LF-3215 loudspeaker. The

LF OUT terminals are factory-terminated to lead wires with spade-lugs. These should ONLY be connected to QSC’s model LF-3115 or model LF-

3215 low frequency loudspeaker. Observe proper polarity; connect the + LF OUT signal to the low frequency loudspeaker’s + input, the - LF

OUT signal to the low frequency loudspeaker’s - input.

HF-63X1 or HF63X2

Compression

Driver

Amplifier

HF OUT connection ter-

minals. Connect to HF-

63X1 or HF-63X2 com-

pression driver.

HF-63X1 or HF-63X2

INPUT connection

terminals

LF OUT connection

terminals. Connect to

LF-3115 or LF 3215

loudspeaker INPUT

terminals.

To LF-3115 or LF-3215

The HF-63X1 is designed

specifically for use with

QSC’s LF-3115 low fre-

quency loudspeaker and

the HF-63X2 for the LF-3215

loudspeaker.

HF-63X1 and HF-63X2 Specifications (subject to change without notice)

Frequency Range: 1,300 - 16,000 Hz (-6 dB)

Nominal Coverage: 90° horizontal X +15 to -35° vertical (50° total, adjustable mount provides for vertical plane adjustments. The hori-

zontal plane can be adjusted by altering mounting position on the low frequency enclosure before tightening bolts.

DI: 9.0 dB (600 to 16,000 Hertz average)

Q: 8.0 (600 to 16,000 Hertz average)

SPL (peak): HF-63X1 with LF-3115: 123 dB

HF-63X2 with LF-3215: 126 dB

Impedance: HF-63X1 with LF-3115: 8 Ohms nominal

HF-63X2 with LF-3215: 4 Ohms nominal

Maximum Input Power: HF-63X1 with LF-3115: 150 W

(2 hours EIA 426B) HF-63X2 with LF-3215: 300 W

Sensitivity: HF-63X1 with LF-3115: 95.0 dB

HF-63X2 with LF-3215: 97.5 dB

Crossover Frequency: 1,300 Hz

Connectors: Barrier strip screw terminals accept up to #10 AWG stranded wire. Six terminals: Two full-range input terminals,

two HF OUT terminals (factory wired to compression driver), and two LF OUT terminals with factory supplied wiring

for connection to QSC LF-3115 or LF-3215 low frequency loudspeaker.

Transducers: 1.5” (38mm) exit, 2.5” (63.5mm) titanium diaphragm compression driver.

Mounting Hardware: Attaches to top of the LF-3115 or LF-3215 low frequency cabinet using three 5/16”-18 x 3/4” long bolts.

Size: 30” wide X 16” high X 20” deep (762mm X 406mm X 508mm)

Weight: 50 lbs. (shipping), 40 lbs. (net), 22.7/18.4 kilograms

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 defective parts and repair malfunctioning products under this warranty when the defect occurs under normal

installation and use - provided the unit is returned to our factory or one of our authorized service stations via pre-paid transportation with a copy of