Wharfedale Pro MP 1200 Operating Manual Download Page 1 | Manualshive

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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

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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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