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3

EP series

Safety Precautions

Keep these instructions. Read these instructions.
Heed all warnings. Follow all instructions.

The exclamation point within an equilateral triangle is intended to alert the user of important operating and maintenance (servicing) 
instructions in the literature accompanying the appliance.

Where the amplifier is mounted in a rack and permanently connected to the mains, then the rack should be installed with a readily 
accessible connector or an ALL POLE circuit breaker with 3mm breaking distances.

The mains switch on the amplifiers only switches one pole of the mains supply, therefore for units with a detachable cord to be fully 
disconnected from the mains, the mains disconnect device (ie mains plug or mains coupler) should remain readily operable.   For 
units with a fixed mains lead the external all pole circuit breaker with 3mm breaking distances is the disconnect device and therefore 
the installation of the amplifier shall be carried out in accordance with all the applicable installation rules.

Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles and the point where they exit 
from the apparatus.
Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as if 
the power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been 
exposed to rain or moisture, does not operate normally, or has been dropped.
The mains circuit breaker shall remain readily accessible.
To completely disconnect this equipment from the AC mains, disconnect the power cord from the mains circuit breaker.
This unit is fitted with a 3-wire power cord. For safety reasons, THE EARTH LEAD SHOULD NOT BE DISCONNECTED UNDER ANY 
CIRCUMSTANCES.

Take into account that the nominal AC voltage is the value shown in the equipment ±10% (according to IEC 60065:2001).

Unplug this apparatus during ligtning storms, earthquakes or when unused for long periods of time.

Do not install near any heat sources such as radiators, stoves or other apparatus that produce heat. Do not block any ventilation 
openings, install in accordance with the manufacturer's instructions.
The cooling fans push cool air through one side and blow hot air out of the other side of the unit through the ventilating grilles.
Do not block the sides of the amplifier (i.e. in a rack with grilles). Allow an air flow gap of 5cm or more on the sides. IF THE AIR IS NOT 
ALLOWED TO CIRCULATE, OVERHEATING WILL OCCUR.
Take care when mounting other equipment in the same rack.
Working temperature ranges from 15ºC to 45ºC with a maximum relative humidity of 75%.

Do not expose  this device to rain or moisture. Do not use this apparatus near water (for example, swimming pools and fountains). Do 
not place any objects containing liquids, such as bottles or glasses, on the top of the unit. Do not splash liquids on the unit. IP-20 
equipment. Clean only with a dry cloth. Do not use any solvent based cleaners.

This symbol on the product indicates that this product should not be treated as household waste. Instead it shall be handed over to 
the appicable collection point for the recycling of electrical and electronic equipment.

Only use attachments/accessories specified by the manufacturer. Use only with the cart, tripod, bracket or table specified by the 
manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid 
injury from a tip over.

WARNING: To prevent injury, this apparatus must be securely attached to the rack in accordance with the installation instructions.

The connected outer wiring to these terminals requires of its installation by an instructed person and the use of a flexible cable already 
prepared.

The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence if uninsulated 
“dangerous voltage”. To reduce the risk of electric shock do not remove the cover. No user serviceable parts inside.

WARNING: Apparatus with CLASS I construction shall be connected to a MAINS socket outlet with a protective earthing connection.

 EP series / 

User’s Manual

Summary of Contents for EP Series

Page 1: ...User s Manual Before operating the device please read the Safety precautions section of this manual Retain this manual for future reference EP 450 EP 2K4 EP 6K4 EP 10K4 EP 22K4 EP SERIES...

Page 2: ...ION INTRODUCTION 6 7 FRONT PANEL 7 8 8 9 10 REAR PANEL 3 SAFETY PRECAUTIONS 4 WARRANTY 5 DECLARATION OF CONFORMITY 12 SPECIFICATIONS 12 LINE DRAWINGS 14 ANNEX Line connections unbalanced and balanced...

Page 3: ...when unused for long periods of time Do not install near any heat sources such as radiators stoves or other apparatus that produce heat Do not block any ventilation openings install in accordance wit...

Page 4: ...ct use of the product All warranty repairs must be exclusively undertaken by the factory or any of its authorised service centers To claim a warranty repair do not open or intend to repair the product...

Page 5: ...on requirements EN 55103 2 2009 Electromagnetic compatibility Product family standard for audio video audio visual and entertainment lighting control apparatus for professional use Part 2 Immunity EN...

Page 6: ...periodically e g 12 24 months Filters in ampli ers located in more dirty atmospheres may require more f requent maintenance The lter should be dry cleaned using a vacuum cleaner preferably Running th...

Page 7: ...amplifier is turned on mute leds will appear active red while the amplifier is doing an auto test After three seconds the MUTE leds will be deactivated E Bride Mode When active rear panel dips the led...

Page 8: ...connecting pins 1 NL4 connectors for outputs A and C include 4 active connecting pins 1 and 2 By doing this the user may have all the four output channels connected to 2 cables When using channels in...

Page 9: ...hannel A will manage both channels Opera on of Channels C and Channel D will be the same STEREO PARALLEL BRIDGE STEREO PARALLEL BRIDGE STEREO PARALLEL BRIDGE FRONT PANEL A Level control Four level pot...

Page 10: ...ability Hard or Soft limiting mode When hard mode is enabled the attack time of the limiter is shorter and allows less peaks to be driven to the load Gain Globally affects all channels From 23 dB to 4...

Page 11: ...ot Pin 3 Cold Unbalanced Input Connections These type of connection is not recommended for professional audio applications as it may cause noise in the installation Cables and Output Connectors Use on...

Page 12: ...rcuitry Frequency Response Voltage Gain Controls Cooling Amplifier Protections LED Indicators Audio Signal Input Connectors Speaker Output Connectors AC Power Requirements 115A 4 Switched Amplificatio...

Page 13: ...output channles 3 Turnup the level from the source 4 Change the amplifier s mode from Stereo to Bridge 100 70V 1 Read the appendix of this manual to make a correct unbalanced to balanced cable 2 Conn...

Page 14: ...ut the two signals get summed with opposite sign so that noise is cancelled out while the programme signal doubles in level Most professional audio devices use balanced inputs and outputs Connectors t...

Page 15: ...NC 6900 NW 52th Street Miami FL 33166 U S A TOLL FREE 1 888 DAS 4 USA DAS Audio Asia PTE LTD 3 Temasek Avenue Centennial Tower 34 36 Singapore 039190 Tel 65 6549 7760 DAS do Brasil LTDA Rua Dos Andrad...

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