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MP 1200/1800

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The WHARFEDALE Wireless Works was established  in 1932 
by Gilbert Briggs who soon established a reputation as one 
of the most innovative loudspeaker engineers of his 
generation. His company was at the leading edge of an 
exciting new technology which was dedicated to bringing the 
pleasure of music and entertainment into people's homes. As 
the technology advanced Wharfedale gave many music 
lovers their first taste of High Fidelity, mounting a series of live 
sound demonstrations which excited the audio world and 
heralded the birth of the modern hi-fi loudspeaker.

Today Wharfedale Pro takes the same uncompromising 
approach to the design and manufacturing of every audio 
product, using high-quality components and state-of-the-art 
testing equipment to ensure consistency and high 
performance. At Wharfedale we design and build all of our 
products. We control all the variables, so that we don't have 
to compromise our design goals.

Wharfedale Pro MP Series of Professional Power Amplifiers 
are high quality amplifiers suitalbe for stage, club and studio 
use. Using proven circuitry they are straightforward to use, 

POWER AMPLIFIER

reliable in operation and capable of excellent performance.

Wharfedale Pro MP Series of Professional Power 
Amplifiers

Over engineered power supplies with substantial 
high current transformers.

Fully Protected Circuitry: Protection for thermal  
Runaway; output short circuits;  

DC voltages; switch on/off transients and input  overload.

Cool Running: A combination of a massive extruded 
aluminium heat sink and variable speed fan ensures 
effective cooling.

Over Engineered Design: From 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

All Wharfedale Pro products are 
fully checked before leaving the 
factory. After unpacking please 
inspect contents for any physical 
damage. Please retain the 
shipping carton if Possible and 
internal packing material in case 

the unit needs to be returned. Please check as soon as 
possible the unit is functioning correctly. In the event of any 
damage please contact your dealer immediately so that a 
written claim for damages can be made.

Wharfedale Pro Limited Warranty

Wharfedale Pro MP Series Power Amplifiers are warranted 
to be clear of defects in construction, materials and 
malfunction under normal operating conditions. Wharfedale 
will, during the warranty, and its own discretion, undertake to 
make repairs at no charge if the product has been delivered 
to Wharfedale Pro by a Wharfedale Dealer. Wharfedale 
exclude normal exterior wear to finish and cannot be held 

responsible for any system malfunction due to abuse or using 
the units beyond the limits and conditions as stated within the 
specified ratings. Wharfedale shall not be liable for any 
consequential damages. Any implied warranties expire after 
the given term.

This warranty is only valid providing:

I) Warranty applies to original purchaser only (warranty          

not transferable)

II) Warranty card must be filled in fully and returned to  

wharfedale Pro within 30 days from date of purchase.    
Failure to do will not affect your statutory rights.

IV)Unit must be returned with original sales receipt or 

other proof of purchase  . 

V) Unit is repaired by Wharfedale or authorised service 
    agent only.

These terms do not infringe your statutory rights.  

Summary of Contents for MP 1200

Page 1: ...MP 1200 1800 Power Amplifier POWER PROTECT BRIDGE CHA PEAK CHB PEAK CHANNEL A BRIDGE CHANNEL B LEVEL LEVEL 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 ON OFF Operating Manual ...

Page 2: ...rom 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 All Wharfedale Pro products are fully checked before leaving the factory After unpacking please inspect contents for any physical damage Please retain the shipping carton if Po...

Page 3: ...an that it 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 mains con...

Page 4: ...el two input clockwise rotation of the controls increase level 4 POWER SWITCH The power switch is used to turn on and off the AC power 5 POWER ON INDICATOR The power indicator lights up when the amplifier is powered ON POWER PROTECT BRIDGE CHA PEAK CHB PEAK CHANNEL A BRIDGE CHANNEL B LEVEL LEVEL 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 ON OFF 4 2 1 3 5 Rear Panel MP 1200 1800 3 2 1 3 5 4 N111...

Page 5: ...o 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 l positive 1 negative When in this mode the BRIDGE switch on the rear panel sh...

Page 6: ...DAMPINGFACTOR 8 ohms 1 KHz Greaterthen 300 Greater then 300 TOPOLOGY AB AB CONNECTORS Input XLRand1 4 TRS XLRand1 4 TRS Output 5way binding postsor Neutrik Speakon 5 way bindingposts or Neutrik Speakon CONTROLS Front AC switch CH 1 and CH 2 gainknobs ACswitch CH 1andCH 2 gain knobs Real Stereo Briding mode switch Stereo Briding mode switch INDICATORS Power switch on off mute Short circuit Open Pow...

Page 7: ...connections please connect pin 3 to pin 1 ground of the connector This will mean that pin 2 transports the positive hot signal If pin 3 to pin 1 are not connected this results in the negative cold input being open This will give an audible degradation of the signal to noise ratio This would relate to both the input and output connectors and involve the cable ground shield connected at both Please ...

Page 8: ...until the temperature drops to a more normal temperature Normal operation resumes automatically oncethe amplifier cools down Output Short Circuit The output lines can be accidentally shorted together either by crossing the speaker wires or because of defective loudspeakers If the short circuit remains in place then the thermal proteciton system will eventually operate to power down the complete am...

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