dbx DBXIEQ31-M User manual

iEQ

™

Dual Channel Digital Graphic EQ/Limiter w/Type V

NR and AFS

™

iEQ-15 iEQ-31

User Manual

IMPORTANT SAFETY INSTRUCTIONS

WARNING FOR YOUR PROTECTION

READ THE FOLLOWING:

KEEP THESE INSTRUCTIONS

HEED ALL WARNINGS

The symbols shown above are internationally accepted symbols that warn of potential hazards with electrical products. The lightning flash with arrowpoint in an equilateral triangle means that there are dangerous voltages present within the unit. The exclamation point in an equilateral triangle indicates that it is necessary for the user to refer to the owner’s 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.

SAFETY INSTRUCTIONS

NOTICE FOR CUSTOMERS IF YOUR UNIT IS EQUIPPED WITH A POWER CORD.

WARNING: THIS APPLIANCE SHALL BE CONNECTED TO A MAINS SOCKET OUTLET WITH A PROTECTIVE EARTHING CONNECTION.

THE CORES IN THE MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE:

GREEN AND YELLOW - EARTH BLUE - NEUTRAL BROWN - LIVE

AS COLOURS OF THE CORES IN THE MAINS LEAD OF THIS APPLIANCE MAY NOT CORRESPOND WITH THE COLOURED MARKINGS IDENTIFYING THE TERMINALS IN YOUR PLUG, PROCEED AS FOLLOWS:

FOLLOW ALL INSTRUCTIONS

the apparatus shall not be exposed to dripping or splashing liquid and no object filled with liquid, such as vases, shall be placed on the apparatus.

CLEAN ONLY WITH A DRY CLOTH.

DO NOT BLOCK ANY OF THE VENTILATION OPENINGS. INSTALL IN ACCORDANCE WITH THE MANUFACTURER’S INSTRUCTIONS.

DO NOT INSTALL NEAR ANY HEAT SOURCES SUCH AS RADIATORS, HEAT REGISTERS, STOVES, OR OTHER APPARATUS (INCLUDING AMPLIFIERS) THAT PRODUCE HEAT.

ONLY USE ATTACHMENTS/ACCESSORIES SPECIFIED BY THE MANUFACTURER.

UNPLUG THIS APPARATUS DURING LIGHTNING STORMS OR WHEN UNUSED FOR LONG PERIODS OF TIME.

Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or third prong are provided for your safety. If the provided plug does not fit your outlet, consult an electrician for replacement of the obsolete outlet.

Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.

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

• THE CORE WHICH IS COLOURED GREEN AND YELLOW MUST BE CONNECTED TO THE TERMINAL IN THE PLUG MARKED WITH THE LETTER E, OR WITH THE EARTH SYMBOL, OR COLOURED GREEN, OR GREEN AND YELLOW.

• THE CORE WHICH IS COLOURED BLUE MUST BE CONNECTED TO THE TERMINAL MARKED N OR COLOURED BLACK.

• THE CORE WHICH IS COLOURED BROWN MUST BE CONNECTED TO THE TERMINAL MARKED L OR

COLOURED RED.

THIS EQUIPMENT MAY REQUIRE THE USE OF A DIFFERENT LINE CORD, ATTACHMENT PLUG, OR BOTH, DEPENDING ON THE AVAILABLE POWER SOURCE AT INSTALLATION. IF THE ATTACHMENT PLUG NEEDS TO BE CHANGED, REFER SERVICING TO QUALIFIED SERVICE PERSONNEL WHO SHOULD REFER TO THE TABLE BELOW. THE GREEN/YELLOW WIRE SHALL BE CONNECTED DIRECTLY TO THE UNITS CHASSIS.

CONDUCTOR

L LIVE BROWN BLACK

N NEUTRAL BLUE WHITE

E EARTH GND GREEN/YEL GREEN

WARNING: IF THE GROUND IS DEFEATED, CERTAIN FAULT CONDITIONS IN THE UNIT OR IN THE SYSTEM TO WHICH IT IS CONNECTED CAN RESULT IN FULL LINE VOLTAGE BETWEEN CHASSIS AND EARTH GROUND. SEVERE INJURY OR DEATH CAN THEN RESULT IF THE CHASSIS AND EARTH GROUND ARE TOUCHED SIMULTANEOUSLY.

WIRE COLOR

Normal Alt

Refer all servicing to to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as 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.

POWER ON/OFF SWITCH: The Power switch used in this piece of equipment DOES NOT break the connection from the mains.

MAINS DISCONNECT: The plug shall remain readily operable. For rack-mount or installation where plug is not accessible, an all-pole mains switch with a contact separation of at least 3 mm in each pole shall be incorporated into the electrical installation of the rack or building.

If connected to 240V supply, a suitable CSA/UL certified power cord shall be used for this supply.

This Equipment is intended for rack mount use only.

IMPORTANT SAFETY INSTRUCTIONS

ELECTROMAGNETIC COMPATIBILITY

This device complies with part 15 of the FCC Rules and the Product Specifications noted on the Declaration of Conformity. Operation is subject to the following two conditions:

• this device may not cause harmful interference, and

• this device must accept any interference received, including

interference that may cause undesired operation.

Operation of this unit within significant electromagnetic fields should be avoided.

• use only shielded interconnecting cables.

U.K. MAINS PLUG WARNING

A molded mains plug that has been cut off from the cord is unsafe. Discard the mains plug at a suitable disposal facility.

NEVER UNDER ANY CIRCUMSTANCES SHOULD YOU INSERT A DAMAGED OR CUT MAINS PLUG INTO A 13 AMP POWER SOCKET.

Do not use the mains plug without the fuse cover in place. Replacement fuse covers can be obtained from your local retailer. Replacement fuses are 13 amps and MUST be ASTA approved to BS1362.

If you want to dispose this product, do n ot mix it with general househo ld waste. There is a separate collection system for used electronic products in accordance with legislation that requires proper treatment, recovery and recycling.

Private household in the 25 member states of the EU, in Switzerland and Norway may return their used electronic products free of charge to designated collection facilities or to a retailer (if you purchase a similar new one).

For Countries not mentioned above, please contact your local authorities for a correct method of disposal.

By doing so you will ensure that your disposed product undergoes the necessary treatment, recovery and recycling and thus prevent potential negative effects on the environment and human health.

DECLARATION OF CONFORMITY

Manufacturer’s Name: dbx Professional Products Manufacturer’s Address: 8760 S. Sandy Parkway Sandy, Utah 84070, USA declares that the product:

Product name: dbx IEQ15 and IEQ31 Note: Product name may be suffixed by the EU.

Product option: None

conforms to the following Product Specifications:

Safety: IEC 60065 -01+Amd 1

EMC: EN 55022:2006 EN 55024:1998 FCC Part 15

Supplementary Information:

The product herewith complies with the requirements of the: Low Voltage Directive 2006/95/EC EMC Directive 2004/108/EC. RoHS Directive 2002/95/EC WEEE Directive 2002/96/EC

With regard to Directive 2005/32/EC and EC Regulation 1275/2008 of 17 December 2008, this product is designed, produced, and classified as Professional Audio Equipment and thus is exempt from this Directive.

Roger Johnsen Director, Engineering Signal Processing 8760 S. Sandy Parkway Sandy, Utah 84070, USA Date: May 31, 2012

European Contact: Your local dbx Sales and Service Office or

Harman Signal Processing 8760 South Sandy Parkway Sandy, Utah 84070 USA Ph: (801) 566-8800 Fax: (801) 568-7583

Table Of Contents

iEQ

Introduction

Defining the iEQ ��2

Service Contact Information �� 3

Warranty ��3

Installation

Installation Recommendations �� 4

Basic Connection of the iEQ �� 4

Rear / Front Panels

Rear Panel �� 5

Front Panel �� 6

Operation

Power-Up Modes ��8

AFS™ �� 10

Quick Start �� 11

Technical Information

Factory Hard Reset ��13

Block Diagram �� 14

Specifications �� 15

Table of Contents

iEQ User Manual

iEQ

USER

MANUAL

Introduction

Congratulations on your purchase of the dbx iEQ Series Graphic Equalizer/Limiter with Type V™ Noise Reduction and AFS™� With an EQ heritage that has produced countless industry standard patents and dates back more than 30 years, the dbx iEQ-15 and iEQ-31 easily live up to the dbx legacy of uncompromised sonic integrity� In addition to unsurpassed equalization specs, the iEQ series also offer built-in necessities which include: AFS™ feedback suppression for effortless feedback control, Type V™ noise reduction for ultra low noise EQ operation, and PeakStopPlus® limiting for loudspeaker protection� The iEQ-15 is a 2 channel, 2/3 octave EQ, providing 15 bands of EQ per channel� The iEQ-31 is a 2 channel, 1/3 octave EQ, providing 31 bands of EQ per channel� The iEQ-15 and iEQ-31 also offer +12 dB input gain range, switchable +6 or +15dB boost/cut range, 40mm faders, XLR, 1/4’’ and Euroblock inputs and outputs, nonconductive nylon sliders, and an intuitive user interface with comprehensive output and gain reduction metering� As always, the inevitable result of our meticulous attention to detail and top-quality componentry is exceptional sound, performance, and reliability�

This manual will be your guide to understanding the full functionality of the powerful iEQ Series processors� After you have become familiar with the unit, we encourage you to experiment and find creative ways that the iEQ can help you optimize your specific application�

iEQ

Defining the iEQ

The dbx iEQ Series Graphic Equalizers provide the following features:

• Advanced Feedback Suppression (AFS™)

• Type V™ Noise Reduction

• PeakStopPlus® Limiting

• 1/3 & 2/3-Octave Constant Q Frequency Bands

• Switchable Boost/Cut Ranges of ±6 or ±15dB

• 18dB per Octave 40Hz Low Cut Filter

• ±12dB Input Gain Range

• XLR, TRS, and Euroblock Inputs and Outputs

• Internal Toroidal Transformer

• Dynamic Range of Greater Than 113dB

• User Power Up Features

• Relay Bypass for Power Failure System Protection

iEQ User Manual

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