AUDAC ATU44 User Manual Download Page 7

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CAUTION

The symbols shown are internationally recognized symbols that warn about potentional 
hazards of electrical products. The lightning flash with arrowpoint in an equilateral triangle 
means that the unit contains dangerous voltages. The exclamation point in an equilateral 
triangle indicates that it is necessary for the user to refer to the users manual.

These symbols warn that there are no user serviceable parts inside the unit. Do not open the 
unit. Do not attempt to service the unit yourself. Refer all servicing to qualified personnel. 
Opening the chassis for any reason will void the manufacturer’s warranty. Do not get the 
unit wet. If liquid is spilled on the unit, shut it off immediately and take it to a dealer for 
service. Disconnect the unit during storms to prevent damage.

WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT (WEEE)

The WEEE marking indicates that this product should not be disposed 
with regular houshold waste at the end of its working life. This regulation 
is created to prevent any possible harm to the environment or human 
health. 

This product is developed and manufactured with high quality materials 
and components which can be recycled and/or reused. Please dispose 
of this product at your local collection point or recycling centre for 
electrical and electronic waste. Do this to make sure that the product 
is recycled in an environmental friendly way, and help to protect the 
environment in which we all live.

ADDITIONAL INFORMATION

This manual is put togheter with much care and effort and is as complete as could be on 
the publication date. However, updates on the specifications and functionality may have 
occurred since publication.  To obtain the latest version of this manual please visit the 
Audac website @ www.audac.eu. 

Summary of Contents for ATU44

Page 1: ...ATU44 User Manual www audac eu ...

Page 2: ...2 ...

Page 3: ... Caution servicing 6 EC Declaration of Conformity 6 Waste of Electrical and Electronic Equipment WEEE 7 Caution 7 Block diagram 9 Chapter 2 Front rear panel 12 Front panel overview 12 Front panel description 12 Rear panel overview 13 Rear panel description 13 ...

Page 4: ...4 ...

Page 5: ...ibility to convert a unbalanced line signal into a balanced one and vice versa The switch on the front panel allows to select between converting a speakersignal into a line signal or the conversion of a unbalanced line signal into a balanced line signal The in and outputs of the ATU44 are completely galvanic isolated by means of an audio isolation transformer This makes the ATU44 the perfect solut...

Page 6: ...BRATION THIS UNIT IS DEVELOPED FOR INDOOR USE ONLY DO NOT USE IT OUTDOORS PLACE THE UNIT ON A STABLE BASE OR MOUNT IT IN A STABLE RACK ONLY USE ATTACHMENTS ACCESSORIES SPECIFIED BY THE MANUFACTURER UNPLUG THIS APPARATUS DURING LIGHTNING STORMS OR WHEN UNUSED FOR LONG PERIODS OF TIME ONLY CONNECT THIS UNIT TO A MAINS SOCKET OUTLET WITH PROTECTIVE EARTHING CONNECTION EC DECLARATION OF CONFORMITY Thi...

Page 7: ...prevent damage WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT WEEE The WEEE marking indicates that this product should not be disposed with regular houshold waste at the end of its working life This regulation is created to prevent any possible harm to the environment or human health This product is developed and manufactured with high quality materials and components which can be recycled and or reuse...

Page 8: ...hm loudspeaker signal back to a balanced line signal but the terminals which should be connected depend of the power on the loudspeaker line When the power is between 100 150 Watt you need to connect the loudspeaker line between the COM and the 33V connection terminals ...

Page 9: ...the 50V connection terminals When the power is even higher up to 600 watt you need to connect the loudspeaker line between the COM and the 70V connection terminals To convert an unbalanced 100V line signal to a balanced line signal Turn the switch to 100V and connect the line signal between COM and 100V ...

Page 10: ... specifications Speaker Input level 100V 70V 50V 33V 8 Ohm Connectors Input Euro terminal block screw mount Output Male XLR Construction Aluminium Color Black Weight Net 330 g Dimensions W x H x D 35 x 105 x 110 mm ...

Page 11: ...11 Notes ...

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