QSC TD-000271-01 User manual
EN
User Manual
GX3 300 watts per channel at 8 ohms
GX5 500 watts per channel at 8 ohms
GX POWER AMPLIFIER SERIES
*TD-000271-01*
TD-000271-01 REV. A
TM
2
EN
IMPORTANT SAFETY PRECAUTIONS AND EXPLANATION OF SYMBOLS
1- Read these instructions.
2- Keep these instructions.
3- Heed all warnings.
4- Follow all instructions.
5- WARNING: To prevent re or electric shock, do not expose this equipment to rain or moisture. Do not use this apparatus near water.
6- Clean only with a dry cloth.
7- Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
8- Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including ampliers) that produce
heat.
9- The appliance coupler is the AC mains disconnect and should remain readily operable after installation.
10- Do not defeat the safety purpose of the grounding-type plug. A grounding plug has two blades and a grounding prong. The wide blade
or third prong are provided for your safety. If the provided plug does not t your outlet, consult an electrician for the replacement of
the obsolete outlet. This apparatus should be connected to a receptacle with a protective earthing (or ground) connection.
11- Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit
from the apparatus.
12- Use only attachments/accessories specied by QSC Audio Products, Inc.
13- Use only with hardware, brackets, stands, and components sold with the apparatus or by QSC Audio Products, Inc.
14- Unplug the apparatus during lightning storms or when unused for long periods of time.
15- Refer all servicing to qualied service personnel. Servicing is required when the apparatus has been damaged in any way, such as
power supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been
exposed to rain or moisture, does not operate normally, or has been dropped.
!The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance
(servicing) instructions in this manual.
The lightning ash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated
“dangerous” voltage within the product’s enclosure that may be of sufcient magnitude to constitute a risk of electric shock
to humans.
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE COVER. NO USER-SERVICEABLE PARTS INSIDE. REFER
SERVICING TO QUALIFIED PERSONNEL.
WARNING: To prevent re or electric shock, do not expose this equipment to rain or moisture.
© Copyright 2007, QSC Audio Products, Inc.
QSC® is a registered trademark of QSC Audio Products, Inc.
“QSC” and the QSC logo are registered with the U.S. Patent and Trademark Ofce
All trademarks are the property of Speakon® and PowerCon® are registered trademarks of Neutrik Inc. their respective owners.
3
EN
The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance
(servicing) instructions in this manual.
The lightning ash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated
“dangerous” voltage within the product’s enclosure that may be of sufcient magnitude to constitute a risk of electric shock
to humans.
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE COVER. NO USER-SERVICEABLE PARTS INSIDE. REFER
SERVICING TO QUALIFIED PERSONNEL.
WARNING: To prevent re or electric shock, do not expose this equipment to rain or moisture.
WELCOME
UNPACKING
SUPPORT AND SERVICE
QSC WEBSITE
IMPORTANT SAFETY PRECAUTIONS
POWER RATINGS
Watts at 0.1% clipping, both channels driven
*NOTE: 2-ohm loading is not recommended for high power use.
To avoid protective limiting, use only at low levels.
Model 8 ohms 4 ohms 2 ohms*
GX3 300 425 200
GX5 500 700 350
FEATURES
Power levels matched to the most popular speakers used by
entertainers.
Optimized for maximum real-world headroom into 4Ω and
8Ω speaker systems.
Inputs: XLR, 1/4” TRS and phono input connectors for
compatibility with any source.
Outputs: Speakon® combo accepts 1/4” (TS) plugs or
Speakon 2-pole and 4-pole plugs (connects 2 poles only).
Binding posts support all other speaker wiring systems.
Minimum depth chassis (only 10.1” / 257 mm) ts in
compact, inexpensive effects racks.
Light weight – less than 26 lbs (12.5 kg).
Detented gain controls for precise setting and matching of
sensitivity.
GuardRail automatically protects the amplier and
loudspeakers from damage due to temperature rise or
overdrive without shutting down the show.
Front panel LEDs monitor Power, Signal and Clipping.
Subwoofer / Satellite crossover built-in.
GX POWER AMPLIFIER SERIES
Professional Power Ampliers
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FRONT PANEL FEATURES
ON-OFF SWITCH
MODEL NUMBER
COOLING VENTS
DIMENSIONS
Inches (cm)
17.0
(43.2)
9.0
(22.9)
3.5
(8.9)
19.0
(48.3)
10.1
(25.7)
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GAIN CONTROLS, CH1, CH2
RACK MOUNTING
RED CLIP LEDS
GREEN SIGNAL LEDS
BLUE POWER LED
ALTERNATE GAIN MARKING
6
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REAR PANEL FEATURES
CROSSOVER POSITION
FULL RANGE POSITION
REAR EAR MOUNTING
EXHAUST VENT
INPUT CONNECTIONS
BALANCED 1/4-INCH TRS INPUTS
UNBALANCED 1/4-INCH TS INPUTS
UNBALANCED PHONO INPUTS
BALANCED XLR INPUTS
CROSSOVER SWITCH
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AC BREAKER RESET
SERIAL NUMBER AND RATINGS
AC INLET
BINDING POSTS
1/4-INCH CONNECTORS
SPEAKON CABLES (2 wire type):
SPEAKER CONNECTIONS
8
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SYSTEM HOOKUP EXAMPLES
INPUT CONNECTIONS
XLR
¼
PHONO
SET TO FULL RANGE
SET TO FULL RANGE
SET TO FULL RANGE
SPEAKER CONNECTIONS
SPEAKON
¼
WIRE
BANANA JACKS
8 OR 4 OHM
CONNECTION MULTIPLE SPEAKERS
To connect two speakers to one amplier channel,
connect one speaker with Speakon or 1/4 –inch jack,
and connect the other speaker with a banana plug
or wires to the binding posts.
It is also possible to use banana plug for one speaker,
and binding post wires for the other speaker.
Second speaker
Second speaker
Second speaker
First speaker
First speaker
First speaker
Speakon
and wires to
the binding posts.
1/4 –inch jack,
And wires to the
binding posts.
banana plug
and binding post
One 4-OHM speaker, or two 8-OHMspeakers, may be connected to each channel.
If speakers have pass through jacks, do not put more than two in a chain.
8 OHM 8 OHM 8 OHM 8 OHM
8 OHM 8 OHM 4 OHM
4 OHM
4 OHM 4 OHM 4 OHM 4 OHM
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SYSTEM HOOKUP EXAMPLES
SUBWOOFER AND TOP BOX
Ch 1 input.
POWERING HOUSE AND MONITOR SPEAKERS
INPUT SET TO CROSSOVER
8 OR 4 OHM
8 OR 4 OHM
SUB
TOP
MAIN MAIN
8 OHM 8 OHM
4 OR
8 OHM 4 OR
8 OHM
OR
R
L
SET TO FULL RANGE
SET TO FULL RANGE
4 OR
8 OHM 4 OR
8 OHM
L1 L2
SET TO FULL RANGE
DO NOT connect both
Channels to the same speaker.
STEREO PLAYBACK
USING BOTH CHANNELS FOR THE SAME
FULL RANGE
RTS jumper
between
CH1 and CH2
TROUBLESHOOTING
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EN
NO POWER, NO LIGHTS, NO FAN
AMPLIFIER LOSES VOLUME
CHANNEL 1 PRODUCES DEEP BASS ONLY.
CHANNEL 2 INPUT SEEMS DEAD.
AMPLIFIER SOUNDS DISTORTED.
NO SOUND, WITH BLUE LED ONLY, NO GREEN OR
RED LED
NO SOUND, BUT THE GREEN LED IS RESPONDING
NO SOUND, RED LED ON
BACKGROUND HUM
AMPLIFIER NEEDS SERVICING
TROUBLESHOOTING
SPECIFICATIONS
11
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GX3 GX5
SPECIFICATION SUBJECT TO CHANGE WITHOUT NOTICE.
1.2 Vrms
100
SPECIFICATIONS
0.2
11.2
AC amps AC amps
AC POWER CONSUMPTION 1/8 power, ohms (AC Current and Heating, 120Vac)
(1) 1/8 power represents typical operating conditions.
(3) Full power is breaker limited to short periods.
(2) 1/3 power represents peak program levels.
(4) For 230V, multiply AC current by 0.5. For 100V, multiply AC current by 1.25.
GX3 GX5
EN
WARRANTY
(USA only; other countries, see your dealer or distributor)
Disclaimer
QSC Audio Products 3 Year Limited Warranty
How to Contact QSC Audio Products
Mailing address:
QSC Audio Products, Inc.
1675 MacArthur Boulevard
Costa Mesa, CA 92626-1468 USA
Telephone Numbers:
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
Facsimile Numbers:
Sales & Marketing FAX (714) 754-6174
Customer Service FAX (714) 754-6173
World Wide Web:
www.qscaudio.com
E-mail: [email protected]
QSC Audio Products, Inc. 1675 MacArthur Boulevard Costa Mesa, California 92626 USA
©2007 “QSC” and the QSC logo are registered with the U.S. Patent and Trademark Ofce.
TM
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