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 flash 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 sufficient 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 fire or electric shock, do not expose this equipment to rain or moisture.
WELCOME
Thank you for purchasing a QSC Audio amplifier. The GX Series is
the latest in a long line of hard-working, low cost amplifiers, 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
Confirm that the amplifier has no visible shipping damage. Confirm
that amplifier 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 amplifier 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
certified 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 amplifier. 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 qualified 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
ohms*
GX3
300
45
00
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) fits 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 amplifier 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 Amplifiers
