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This equipment conforms to the requirements of the EMC directive 89/336/EEC, amended 
by 92/31/EEC and 93/68/EEC and the requirements of the Low Voltage Directive 
73/23/EEC, amended by 93/68/EEC. 
 

Standard Applied   

EMC Emission 

EN55103-1, E3 

 

 

EMC Immunity 

EN55103-2, E3, with S/N below 1% at normal operation level. 

 

 

Electrical Safety 

EN60065, Class

   

 

 

 

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The lightning symbol within a triangle is 

intended to alert the user to the 

presence of un-insulated “dangerous voltage” 
within the amplifier’s enclosure that may be of 
sufficient magnitude to constitute a risk of 
electric shock to humans. 

The exclamation point within a triangle is 

intended to alert the user to presence of 

important operating and service instructions in 
the literature accompanying the product. 

!

 

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To reduce risk of fire or electric shock, do not 
expose this apparatus to rain or moisture. 
 

 

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To reduce the risk of fire or electric shock, do 
not remove screws. No user-serviceable parts 
inside. Refer servicing to qualified service 
personnel. 

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Before using your amplifier, be sure to carefully read the applicable items of these operating 
instructions and the safety suggestions 

1.  Keep this manual for future reference. 
2.  Heed all warnings. 
3.  Follow all instructions. 
4.  Do not use this unit near water. Do not spill water or other liquids into or on the unit. Do not 

operate the amplifier while wet or standing in liquid. 

5.  Clean only with dry cloth. 
6.  Do not block the air intake or exhaust ports. Install the unit in accordance with the instructions. 

!

7.  Do not operate the amplifier near heat producing devices such as radiators, heat registers, stoves 

or other apparatus that produce heat. 

8.  Always operate the unit with the chassis ground wire connected to the electrical safety earth. Do 

not defeat the safety purpose of a grounding-type plug. A grounding type plug has two pins and 
a third grounding prong. The third prong is provided for your safety. If the provided plug does 
not fit into your outlet, consult an electrician for replacement of the obsolete outlet. 

9.  Connect only to AC power outlets rated 230-240V (or 100-120V), 50-60Hz. 
10.  Do not use this amplifier if the power cord is broken or frayed. Protect the power cord from 

being walked upon or pinched particularly at the plugs and the point where it exits from the 
apparatus. 

11.  Only use accessories specified by the manufacturer. 
12.  The unit is intended to use in a 19” rack. Follow the mounting instructions. When a rack on 

wheels is used, use caution when moving the loaded rack to avoid injury from tipping over. 

!

13.  Unplug this apparatus during lightning storms or when unused for long periods of time. 
14.  Do not connect an amplifier output in parallel or series with any other amplifier’s output. Do 

not connect the amplifier output to any other voltage source, such as battery, mains source, or 
power supply, regardless of whether the amplifier is turned on or off. 

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Содержание iP 900

Страница 1: ...m VMM rpbo j kr i...

Страница 2: ...7 5 3 4 Bridge mono mode 7 5 3 5 Bridge mono mode features 8 6 INSTALLATION 8 6 1 Mounting 8 6 2 Cooling 8 6 3 Operating voltage 8 6 4 Grounding 9 6 5 Power consumption 9 6 5 1 Calculation 10 7 CONNEC...

Страница 3: ...the amplifier while wet or standing in liquid 5 Clean only with dry cloth 6 Do not block the air intake or exhaust ports Install the unit in accordance with the instructions 7 Do not operate the ampli...

Страница 4: ...es To avoid electrical s do not touch any exposed speaker wiring while the amplifier is operating See page 12 hock about outputs for proper connection of speakers PKRKP o A sample of this product has...

Страница 5: ...ator This indicator illuminates if the amplifier tries to operate above its maximum operating temperature 90 C The indicator first comes on as a warning to either turn down the input level or check th...

Страница 6: ...or off switch OUT position See page 13 4 Input signal XLR Neutrik Combojack features also TRS phone jacks Pin 2 is hot see page 10 5 Link Output 3 pole screw terminal of Phoenix brand Connected in par...

Страница 7: ...B to 41dB in 3dB steps See the different settings for the DIP switches in the table below The three switches to the very left are for channel B and the three to the very right are for channel A RKNKO...

Страница 8: ...illoscope probes if you are bench testing Reverse operation of Channel B RKPKP q In tandem mode both channels inputs are linked and receive the same signal The tandem mode is active if the Link switch...

Страница 9: ...Your amplifier uses a forced air cooling system to maintain a low and even operating temperature All fan cooled Lab gruppen amplifiers have front to rear airflow There are several reasons for this one...

Страница 10: ...d interference SKR m There are three ways to determine the power current consumption of the amplifier First the peak current draw at full output power Under this condition the power will blow the main...

Страница 11: ...ast 5dB 1 3 of full power and a producing 320 watts per channel The 1 3 power per channel is accordingly 320 3 106 5 watts and total output 2 x 106 5 213 watts The power consumption according power co...

Страница 12: ...d signals are less sensitive to AC hum and radio interference The source impedance should be less than 1 kohms to avoid high frequency loss in long cables T connector labeled Link provided on each cha...

Страница 13: ...co al to ground or t terminals Pay attention to speaker polarity loudspeakers connected out of polarity degrade quality and may be damaged as a consequence Keep the speaker cable leads as short as pos...

Страница 14: ...cate that the output circuits are receiving the correct rail voltage V molqb qflk cb qrobp Each Lab gruppen amplifier has many advanced protection features protecting both the amplifier and the speake...

Страница 15: ...full output power the VHF protection mutes the input signal This is indicated on the front panel 2 labeled Protect After five seconds the outputs will un mute and return to normal operation unless the...

Страница 16: ...rotection is not activated If it is remove possible high frequency oscillations from the relevant input Fault The amplifier goes into thermal protection when driven at low level Check that nothing cau...

Страница 17: ...NN pmb fcf qflkp i K NS r j m VMM s MKP OMMPJMOJOR...

Страница 18: ...sibility for any loss due to cancellation of any events or rent of replacement equipment or costs due to third party s or customer s loss of profit or any other indirect cost or losses however incurre...

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