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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
Thank you for purchasing a QSC Audio amplier. The GX Series
is the latest in a long line of hard-working, low cost ampliers,
designed to produce the best possible results for a wide
range of users. In most cases, you can plug and play with no
surprises, but for best results, we recommend you review the
enclosed user guide.
UNPACKING
Conrm that the amplier has no visible shipping damage.
Conrm that amplier has the correct AC cord and voltage
rating for your region (See rear panel, Serial Number plate).
It is best to keep the carton in case the amplier needs to be
returned, at least until it has been tested.
SUPPORT AND SERVICE
QSC Audio Products maintains a world-wide network of
distributors and service centers. These local agencies will be
able to answer your questions and take care of any problems.
QSC WEBSITE
Our website, www.qscaudio.com, is factory-maintained and
supported in multiple languages. Visit frequently for new
announcements, typical questions, and other user information.
IMPORTANT SAFETY PRECAUTIONS
QSC products are designed for safe operation, and have been
certied by recognized product safety agencies to meet all
normal standards for this type of product. However, dangerous
voltages and power levels exist within the covers of this
amplier. The user is requested to study the precautions in
this manual. If the product has been dropped, dented, soaked,
or appears to have loose parts inside, the risk of shock is
increased. Unplug the AC cord, and take the product to qualied
service personnel for inspection and repairs.
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