QSC PowerLight 6.0 II Bedienungsanleitung
1
TD-000108-00 rev.A
*TD-000108-00* PowerLight Series
PowerLight 6.0
II
User Manual
TM
2
© Copyright 2002, 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 Office
Combo is a registered trademark of Neutrik Inc., Lakewood, NJ .
Speakon™ is a registered trademark of Neutrik Inc., Lakewood, NJ
IMPORTANT SAFETY INSTRUCTIONS
& EXPLANATION OF SYMBOLS
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.
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 PL6.0 II has a serial number located on its side panel, next to the AC cord
entry. It looks like the example, right. Please write the serial number down and
keep for your records. Retain your sales receipt; it is your proof of purchase.
Model: PowerLight 6.0 II
Serial Number: ________________________
Date of Purchase: ______________________
Purchased From: _______________________
1- Read these instructions.
2- Keep these instructions.
3- Heed all warnings.
4- Follow all instructions.
5- 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 QSC Audio Product’s instructions.
8- Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including
amplifiers) that produce heat.
9- Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one
blade wider than the other. A grounding-type plug has two blades and a third grounding prong. The wide blade or the
third prong is provided for your safety. If the provided plug does not fit your outlet, consult an electrician for the
replacement of the obsolete outlet.
10- Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the
point where they exit the apparatus.
11- Only use attachments/accessories from QSC Audio Products, Inc.
12- Use only with carts, stands, tripods, brackets, interconnecting cables, or software specified by QSC Audio
Products. When moving or transporting using a cart, use caution to avoid injury from tip-over.
13- Unplug the apparatus during lightning storms or when unused for long periods of time.
14- Refer all servicing to qualified 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.
15- When installing equipment into a rack, distribute the units evenly. Otherwise, hazardous conditions may be
created by an uneven weight distribution.
16- Connect the unit only to a properly rated supply circuit.
17- Reliable earthing (grounding) of rack-mounted equipment should be maintained.
18- Maximum operating ambient temperature is 50°C.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: To reduce the risk of electric shock, do not
remove the cover. No user-serviceable parts inside. Re-
fer servicing to qualified service personnel.
WARNING: To prevent fire or electric shock, do not ex-
pose this equipment to rain or moisture.
3
INTRODUCTION
Overview...........................................................................................4
Illustrations.............................................................................5
UNPACKING
Unpacking and Inspection..................................................................................6
What is Included.............................................................................................6
SETUP
Rack Mounting.................................................................................................................6
Cooling Requirements.................................................................................................8
AC Power Requirements..............................................................................9
Operating Mode Selection............................................................................10
CONNECTIONS
Inputs...........................................................................................................12
DataPort....................................................................................14
Power Supply Remote Control....................................................................16
Outputs: Binding Posts...............................................................................17
Outputs: Speakons™.....................................................................................18
USE
Power Switch...........................................................................................19
Power, Standby and Protect LED indicators.............................................19
Gain Controls.............................................................................................20
Signal, -20 dB, -10 dB, and Clip LED indicators........................................................20
Clip Limiters..................................................................................................21
TROUBLESHOOTING...................................................................................22
SPECIFICATIONS............................................................................................................24
APPENDIX
DataPort Pinout..............................................................................................25
QSC PowerWave Technology Overview...........................................................26
WARRANTY INFORMATION .............................................................................................27
HOW TO CONTACT QSC AUDIO PRODUCTS .........................................................27
TABLE OF CONTENTS
4
INTRODUCTION- General Overview
Thank you and congratulations on your purchase
of the QSC PowerLight 6.0 II professional power
amplifier. This product represents the state-of-
the-art in power amplification systems for
professional touring, permanent installations,
and other SR (sound reinforcement) applications
requiring high levels of sustained power,
extraordinary audio performance, reduced
weight, and road-proven reliability. To get the
most from your investment, we encourage you
to review this manual carefully.
Part of the advanced technology PowerLight
family of amplifiers, the PowerLight 6.0 II
benefits from QSC’s exclusive PowerWave
switching technology, its DataPort for remote
computer control, and an enhanced design that
provides greater airflow through the chassis—
facilitating cooler, more efficient operation.
QSC PowerWave Technology
QSC’s PowerWave switching power supply
technology provides ample current to the audio
power circuitry by charging the supply rails
180,000 times per second through an ultra-low
impedance circuit. This high-efficiency design
cuts waste heat and boosts reliability while
delivering the added benefits of tighter bass and
transparent highs for a more musical sound.
The PowerLight 6.0 II utilizes an enhanced,
second-generation power supply design. This
new design reduces both EMI (electromagnetic
interference) and the overall weight of the
unit—enabling far greater placement options
when positioning equipment. In the unlikely
event your unit ever requires service, the new
power supply design offers several additional
benefits—including greater ease of service,
resulting in reduced labor time and lower
replacement costs.
Remote Computer Control
The PowerLight 6.0 II also incorporates QSC’s
unique DataPort for remote computer control.
Using QSControl, QSC’s network audio system,
you can monitor and control hundreds of amplifi-
ers simultaneously, as well as perform a wide
range of advanced functions—including event
logging, checking the thermal status of the
amplifier, plus real-time monitoring of loud-
speaker opens and shorts.
What’s the difference between the “new”
PL6.0 II and the “old” PL6.0? The chart, right,
compares the two. Output power and AC
current consumption are the specifications
that have changed slightly. Output power is -
0.9dB at 8 ohms, and -1.04dB at 4 ohms. 2
ohms power remains unchanged. AC current
draw variations are a result of power factor
correction removal and power supply
topology changes. These changes improve
reliability of the amplifier under the most
demanding output conditions.
5
INTRODUCTION- Illustrations
FRONT PANEL
1- Power switch 4- Gain controls
2- Power, Standby, and Protect LEDs 5- Signal, -20 dB, -10 dB, and Clip LEDs
3- Cooling air exhaust vents
REAR PANEL
1- Cooling air inlet vents
2- Domestic (North America) fixed AC power cord entry
2A- Export IEC-style detachable power cord entry
3- Mode switch (Bridge/Stereo/Parallel)
4- Input connectors (“combo” XLR/TRS and terminal blocks)
5- QSC DataPort Connector (interfaces with QSC accessories)
6- Remote power supply control
7- Output connectors
8- Operating voltage and serial number tag location (side of unit)
6
The PL6.0 II is highly durable and is carefully packaged. We recommend you
inspect the unit carefully after removing it from the packaging, as occasionally
there may be damage due to some unfortunate incident during shipment. Report
any damage to the shipping carrier. We recommend saving the carton and packing
material. It is always a good idea to keep the packaging in case the unit must be
shipped back to your dealer, distributor, or service center. Also note: some freight
companies consider damage claims without the original packing materials invalid.
The QSC shipping box should contain:
1- the PL6.0 II amplifier
2- this Owner’s Manual
3- accessory packet containing:
-rear rack ear mounting kit
-terminal-block connectors for inputs and remote power supply control
-four adhesive feet
Unpacking and Inspection
UNPACKING
Supporting the Front of the Amplifier
Rack mounting of the amplifier is optional. The PL6.0 II is designed to fit a normal 19-inch width equipment rack.
Secure the front rack ears using four machine screws with washers, as shown below. Verify operating voltage
printed on the serial number plate; it is located on the side panel by the AC cord entry. Once the amplifier is
mounted, it may be difficult to read this information (see p.9).
CAUTION!
To minimize the
risk of injury, we
recommend an
assistant help
support the
amplifier during
rack installation.
SETUP- Rack Mounting
When installing
equipment into a
rack, distribute
the units evenly.
Otherwise, haz-
ardous conditions
may be created by
an uneven weight
distribution.
7
SETUP- Rack Mounting
Supporting the Rear of the Amplifier
For mobile and touring use, it is extremely important to support the rear of the amplifier. The chassis and rack
can be damaged if the amplifier is not properly supported. Unless the amplifier is being installed in its final,
fixed location, QSC strongly recommends supporting the rear of the amplifier. Rear rack ears, required hard-
ware, and a separate instruction sheet are included with your amplifier. The Specifications section includes
helpful dimensions for determining rear support locations.
Method 2
The amplifier is first installed from
the front of the rack and secured to
the front rack rails. Temporarily
secure the rear ears to the rear rack
rails and select the appropriate
mounting position for the “pin”.
Remove the rear ears and install the
locator pins securely. Use of thread-
locking is recommended for high-
vibration installations.
Attaching Rear Rack Ears
Method 1
The amplifier is first installed from
the front of the rack and secured to
the front rack rails. The rear ears are
then secured to the amplifier using
two machine screws. The ears are
secured to the rails using regular
rack hardware.
8
SETUP- Cooling Requirements
The PL6.0 II has four rear-mounted variable-
speed fans. Fan speed is determined by the
temperature of the amplifier’s internal heatsink
assembly.
Cooling air is drawn into the rear of the amplifier
by the fans and exhausts through the front panel.
The temperature of the air exiting the front vents
is a good indicator of how hard the amplifier is
working.
If mounting in a rackmount enclosure, be certain
not to restrict the ability of fresh cooling air to
enter back and exit the front. Do not use in
enclosures with closed or sealed backs or fronts.
The amplifier relies on free air flow in and out of
its vents. Keep the vents free of obstructions and
dust buildup. Periodic inspection of the vents for
dust buildup is recommended. If required, use a
small bristle-brush gently around the vent
openings while the amplifier is running. Do this
outside to avoid blowing dust onto other equip-
ment.
Be certain not to obstruct or block the cooling air vents in any way! Loss of cooling
air flow could result in the amplifier going into thermal shutdown (protective
muting to help cool the amplifier and prevent damage). Keep the vents free of dust
and dirt buildup as airflow will be reduced.
Do not install near any heat sources such as radiators, heat registers, stoves, or
other apparatus that produce heat.
Cooling Air Inlet and Exhaust Vents
9
SETUP- AC Power Requirements
AC Power
Before connecting the amplifier to the AC
mains, check the serial number plate to
verify operating voltage.
The PL6.0 II is available in 120 or 240 Volt
models. Make sure the AC mains voltage is
the same as specified on the serial number
plate.
120 Volt models have the AC cordset hard-
wired to the chassis. 240 Volt models have
an IEC-style detachable cordset.
Do not use improper AC
mains voltage! It can
create hazardous condi-
tions and severely dam-
age the amplifier!
The PL6.0 II is a very high-power amplifier and as such can demand high current
from the AC service. All connections must be properly rated for reliable operation.
Use of extension cords is discouraged. If extension cords must be used, use only
heavy-duty 10 gauge extension cords that are as short as possible.
AC Power Connection
120 Volt Models
NEMA L5-30 Receptacle
Connect the 30 Amp twist-lock connectors by
orienting the locking L-shaped prong with the
corresponding connector entry, then fully insert
the three prongs. Twist the plug about 1/8 of a
turn clockwise to lock the connector and plug.
240 Volt Models
European 3-conductor Earthing Receptacle
Insert the plug fully into the receptacle.
10
SETUP- Operating Mode Selection
Stereo Mode
Operating Mode Selection
The operating Mode selection switch determines
how the inputs are routed to the two amplifier
channels and how the outputs are connected to
the speakers.
The Mode selection switch is located on the rear
panel, left bottom corner. It is a three-position
slide-switch. The switch is recessed to prevent
accidental changes. Change switch positions by
sliding the switch up or down. Operate the
switch with a small, flat-tip screwdriver or
similar tool. Do not use a pencil or other item
that could break off and fall into the chassis.
In Stereo Mode, each input signal is
sent to its respective channel. Each
channel has independent gain
control, clip limiting, and output
connection.
To operate in Stereo Mode, set the
Mode Switch to STEREO. Connect
the two input signals and the two
speaker outputs.
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