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 If they are not interrupted, 

The speakers are hooked-up incorrectly. 
 

Check that the speakers are correctly connected to the output   terminals. 

 

If the connection are correct,  

The power cable are interrupted. 

 

Check the continuity of the cables. 

 

If they are not interrupted, 

A fuse might as blown into the amplifier’s PC board. 

 

Have the amplifier checked from a suitable Service Station. 

The amplifier goes into PROTECTION mode, (power led orange) 
One external or internal fuse might has blown. 

 

Check the external or internal fuse might has blown. 

 

Check the external 3.5 A (or 7 A) main fuse. 

Have the internal fuses checked by a suitable Service Station. 
 
After  being  turned  on  with  the  power  switch,  the  amplifier  goes  in  stand-by  and  then  goes  On 
automatically, regarding less the commands sent with the remote control. Symmetrically, once turned 
off with the remote control, the amplifier goes in stand-by for four seconds and then goes On again. 

 

The factory installed plastic plug has been removed. 

 

Plug-in  again  the  plastic  lug  or  a  simple  RCA  pin  jack  NOT  short 

 

circuited. 

 
 
 
 
 
 
 
 

TECHNICAL SPECIFICATION 

 
 

 

MK 2250 

 
 

Continues Power 

2x50   W 8Ohm 
2x80   W 4Ohm 
2x100 W 2Ohm 

 

 

Inputs 

5 unbalanced RCA 

 
 

Signal to Noise Ratio 

s/n 97db 

 

Peak Current Output 

30 Ah 

 

THD (at rated power) 

1.6% 

 

Remote control 

infra red 

 

Weight 

20 Kg 

 
         

 

Summary of Contents for MK 2250

Page 1: ...1 Owner s Manual MK 2250...

Page 2: ...t rather the tradition of excellence appeal and style associated with our name earned in over the span of our history a name is now almost a legend We have worked hard to perfect this technology and b...

Page 3: ...the rear panel of the amplifier see the Chapter on Connections and Checks make sure the main power switch is in the OFF position top down switch in the ON position switch in the OFF position The ampli...

Page 4: ...g the L1 button on the remote control You can connect any equipment with a rated output greater than 400 mV Only MK 2280 and MK 2225 balanced line input XLR connectors 6 L2 INPUT Unbalanced line input...

Page 5: ...ou require INFRA RED DETECTOR All commands to the amplifier are communicated via this sensor The infra red detector should be kept free of obstruction and the front of the amplifier should face toward...

Page 6: ...connected to the network the primary winding of the power transformer primary In this situation the LED POWER lights red To turn the amplifier simply press the Power button on the front panel to the...

Page 7: ...R LED is not illuminated The wall outlet is not powered Check that the correct voltage is presents at the end of the power cord If the mains supply voltage is supplied to the machine The fuse to the m...

Page 8: ...he external 3 5 A or 7 A main fuse Have the internal fuses checked by a suitable Service Station After being turned on with the power switch the amplifier goes in stand by and then goes On automatical...

Page 9: ...you will help prevent potential negative consequences to the environment and human health which could otherwise be caused by inappropriate handling of this product as unsorted municipal waste The recy...

Page 10: ...cient to constitute a risk of electric shock Appears on the unit to indicate important instructions for use or maintenance instructions in the accompanying literature Appears on the unit to indicate c...

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