Wharfedale Pro WX-12 User Manual
WX-8 & WX-12
Professional Power Amplier
OPERATING MANUAL AND USER GUIDE
www.wharfedalepro.com
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TABLE OF CONTENTS
TABLE OF CONTENTS .............................................................................1
IMPORTANT WARNINGS & SAFETY INSTRUCTIONS ........................... 2
INTRODUCTION .......................................................................................3
ABOUT THE WX SERIES .........................................................................3
FEATURES ................................................................................................3
FRONT PANEL FEATURES AND CONTROLS ........................................4
REAR PANEL FEATURES AND CONTROLS ...........................................4
OPERATING MODE SWITCHES .............................................................. 5
OUTPUT WIRING .....................................................................................5
QUICK START GUIDE ..............................................................................5
DIMENSIONS ............................................................................................6
WIRING DIAGRAMS .................................................................................7
BLOCK DIAGRAM.....................................................................................8
SPECIFICATION .......................................................................................9
WARRANTY ............................................................................................1
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IMPORTANT WARNINGS & SAFETY INSTRUCTIONS
1. Read these instructions
2. Follow all instructions
3. Keep these instructions
4. Heed all warnings
5. Do not use this apparatus near water
6. Clean only with 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. Do not defeat the safety purpose of a polarised or grounding plug. A polarised plug has two blades with one wider
than the other. A grounding plug has two blades and a third grounding blade. The wide blade or the third blade is
provided for your safety. If the provided plug does not t into your outlet, consult an electrician for replacement of the
obsolete outlet.
0.Protect the power cord from being walked on or pinched, particularly at the plug, receptacle and or the point where it
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exits from the apparatus.
11.Only use attachments/accessories specied by the manufacturer.
12.Only use a stand, tripod, bracket or rack specied by the manufacturer, or sold with the apparatus. When a rack is
used, use caution when moving the rack and apparatus combination to avoid tip-over or injury.
3.Unplug the apparatus during lightning storms or when unused for long periods of time.
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14. Refer all servicing to qualied personnel. Servicing is required when the apparatus has been damaged in any way
including but not limited to power supply cord or plug damage, liquid ingress, foreign objects in the chassis, exposure
to rain/moisture or impact damage. In addition the unit must be serviced when you experience any abnormal
operation.
CAUTION: These servicing instructions are for use by qualied service personnel only. To reduce the risk of electric
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shock, do not attempt to perform any servicing other than that contained in the operating instructions unless you are
qualied to do so. In addition opening the casing will result in your warranty becoming null and void.
6. Do not install this apparatus in a confined space such as a book case or similar unit. Good ventilation should be
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maintained around the apparatus. Any vents, air-inlets or fans should not be obstructed by objects such as paper,
table-cloths, curtains etc.
WARNING: To reduce the risk of re or electric shock, do not expose the apparatus to rain or moisture. The apparatus
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should not be exposed to dripping or splashing and objects lled with liquids, such as vases, should not be placed on
the apparatus.
8. WARNING: The mains plug/appliance coupler is used as a disconnect device, the disconnect device shall remain
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readily operable.
The lightning ash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of
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non-insulated “dangerous voltage” within the product’s enclosure that may be of sufcient magnitude to constitute a
risk of electric shock.
Warning: To reduce the risk of electric shock, do not remove the cover (or back) as there are no user-serviceable
parts inside. Refer servicing to qualied personnel.
The exclamation point within an equilateral triangle is intended to alert the user to the presence of important
operating and maintenance instructions in the literature accompanying the appliance.
(Protective earthing terminal) The apparatus should be connected to a mains socket outlet with a protective
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earthing connection.
1. Correct Disposal of this product. This marking indicates that this product should not be disposed with other
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household wastes throughout the EU. To prevent possible harm to the environment or human health from uncontrolled
waste disposal, recycle it responsibly to promote the sustainable reuse of material resources. To return your used
device, please use local return and collection systems or contact the retailer where the product was purchased. They
can take this product for safe environmentally friendly recycling.
ATTENTION: RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR
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INTRODUCTION
Congratulations on the purchase of your WX series professional power amplier. Wharfedale Pro WX ampliers are the
result of many years of experience in the use, design and manufacture of professional audio equipment.
We take great pride in engineering and building every Wharfedale Pro product and wish to thank you for entrusting us
with your sound.
From the time Gilbert Briggs built his rst loudspeaker in 1932, to the present day, Wharfedale have maintained the same
standard of quality in components, workmanship and performance.
Please take the time to read this manual completely in order to ensure that you get the most from your WX power
amplier.
ABOUT THE WX SERIES
Suitable for portable sound reinforcement or xed installations, the series features 2 models that deliver between 800W
and 1200W per channel into a 4 ohm load in a rugged 2U, 19” rackmount enclosure. An advanced transformer power
supply and Class H topology deliver high power with low distortion in a compact and lightweight form factor.
A full suite of protection includes thermal, over-current, DC, short circuit protect and power on/off mute. The WX
Series features XLR inputs and link outputs with a maximum input level of +22dBu allowing integration with any typical
professional audio system. The variable speed fans keep the amplifier rack quiet when not in use. The WX series
features a built in in switched 100Hz LPF/HPF on each channel, allowing the amplier to drive a bi-amplied system
without any external processing.
FEATURES
• Class H Topology amplier modules - For Great Sound Quality and Reliability
• Advanced transformer power supply-Efcient and powerful
• Internal LPF/HPF/Fullrange Filtering
• Speakon Outputs
• Internal Circuit Breaker With Reset Switch
• Ultra Quiet Variable Speed Fan
• XLR Inputs and Parallel Wired Thru Outputs
• Front Panel Input Trim Controls
• Signal, Peak, Power and Protect LED Indicators
• Road Ready 2U Chassis
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