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Read these instructions-All the safety and operating instruction should be read before the product is operated.
Keep these instructions- The safety and operating instruction should be retained for future reference.
Heed all warnings-All warning on the product and in the operating instructions should be adhered to.
Follow all instructions-All operating and use instructions should be followed.
Do not use this apparatus near water.
Mains powered apparatus shall not be exposed to dripping or splashing and that no ojects filled with liquids such as           
vases, shall be placed on the apparatus.
Clean only with dry cloth.
Do not block any ventilation openings, install in accordance with the manufacturer’s instructions.
Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers)
that produce heat.
Do not defeat the safety purpose of the polarized or grounding-type plug. Apolarized plug has two blades with one       
wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third  
prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for 
replacement of the obsolete outlet. (for U.S.A. and Canada)
Protect the power cord from beign walked on or pinched particularly at plugs, convenience receptacles, and the point  
where they exit from the apparatus.
Only use attachments / accessories specified by the manufacturer.
Unplug this apparatus during lightning storms or when unused for long periods of time.
Refer all servicing to qualified 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.
Do not install this equipment on the far position from wall outlet and / or convenience 
receptacle.
Do not install this equipment in a confined space such as a box for the conveyance or 
similar unit.
Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, 
or sold with the apparatus. When a cart is used, use caution when moving the cart / 
apparatus combination to avoid injury from tip-voer.

1.Outdoor Use and Wet Location Warning.

WARNING:

TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS 

PRODUCT TO RAIN OR MOISTURE.

2.Protective Earthing Connection Warning.

WARNING-This apparatus shall be connected to a mains socket outlet with a 

protective earthing connection.

3.Caution Marking Explanation

The terminals marked with the symbol are hazardous live, and the external wiring connected to these terminals 
requires installation by an instructed person or the use of ready-made leads or cords.

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 persons.

The exclamation point within an equilateral triangle is intended to aiert the user to the presence of important 
operating and maintenance (servicing) instructions in the literature accompanying the product.

4.Disconnection From the Mains Statement

Install this product near the wall socket and keep the power plug easily accessible.

5.Caution
These servicing instructions are for use by qualified service personnel only. To reduce the risks of electric shock do not 
perform any servicing other than that contained in the operating instructions unless you are qualified to do so.

IMPORTANT SAFETY INSTRUCTIONS

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Summary of Contents for MP 2800

Page 1: ...Power Amplifier Operating Manual 使 用 说 明 书 Operating Manual ...

Page 2: ... objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped Do not install this equipment on the far position from wall outlet and or convenience receptacle Do not install this equipment in a confined space such as a box for the conveyance or similar unit Use only with the cart stand tripod bracket or table specified by t...

Page 3: ... the strong steel case through the thick multi layer circuit boards to the array of power transistors Wharfedale have built in a healthy safety margin Modern manufacturing techniques and value engineered design Unpacking A l l W h a r f e d a l e P r o products are fully checked before leaving the factory After unpacking please inspect contents for any physical damage Please retain the shipping ca...

Page 4: ...her than that if was shipped to consult your dealer The unit is suitable for use with mains frequencies of 50 60Hz As there are no user serviceable components inside the amplifier and high voltages are present DO NOT remove the covers Be sure to make all audio connections to the amplifier before connecting to the mains supply Do not disconnect the amplifier from the grounded equipment with the mai...

Page 5: ... DC voltage Is present at the amplifier outputs 4 BRIDGE ON INDICATOR When the rear panel s STEREO BRIDGE switch be placed in BRIDGE Then the front panel s BRIDGE indicator will be bright 5 PEAK INDICATORS PEAK indicator on each channel illuminates when distortion reaches or exceeds approximately 1 6 INPUT ATTENUATORS Separate level controls are provided for channel one and channel two input clock...

Page 6: ...NO OPERATION To obtain a higher power output into a loudspeaker load the two stereo channels may be bridged to form one Mono channel To do this connect the positive speaker wire to the RED post on channel A and the negative speaker wire to the RED post on channel B Alternatively the bridge Speakon can be used the pin configuration is 1 positive 1 negative When in this mode the BRIDGE switch on the...

Page 7: ...nected at both Please note that some manufacturers run their units with pin 2 cold and pin 3 hot This should be looked out for and then the wiring could be modified with labeled cables so that connections of hot go to their corresponding hot etc Some manufactures run their units with balanced inputs and unbalanced outputs therefore care should be taken with the connections when inserted into the s...

Page 8: ...H1 CH2 gain knobs Stereo Bridge mode switch Power switch on off mute Short circuit Open circuit Thermal VARIABLE SPEED FAN 23kg 50 6lbs 21 5kg 47 3lbs 133 x 483 x 355 5 2 x 19 x 13 9 76dB 100dB less than 0 05 20Hz to 20kHz 5Hz to 50kHz Greater than 300 Class AB XLR 1 4 TRS 5 WAY BINDING POSTS SPEAKON OR SPEAKON AC Switch CH1 CH2 gain knobs Stereo Bridge mode switch Power switch on off mute Short c...

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