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®
iEQ
™ ™
Dual Channel Digital Graphic EQ/Limiter w/Type V NR and AFS
iEQ-15
iEQ-31
User Manual
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IMPORTANT SAFETY INSTRUCTIONS WARNING FOR YOUR PROTECTION CAUTION READ THESE INSTRUCTIONS: RISK OF ELECTRIC SHOCK DO NOT OPEN KEEP THESE INSTRUCTIONS ATTENTION: RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC HEED ALL WARNINGS SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE FOLLOW ALL INSTRUCTIONS The symbols shown above are internationally accepted symbols that warn of potential hazards with electrical DO NOT USE THIS APPARATUS NEAR WATER product
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IMPORTANT SAFETY INSTRUCTIONS 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 ELECTROMAGNETIC ANY CIRCUMSTANCES SHOULD YOU INSERT A DAMAGED OR CUT MAINS PLUG INTO A 13 AMP POWER SOCKET. Do not use the COMPATIBILITY mains plug without the fuse cover in place. Replacement fuse covers can be obtained from your local retailer. Replacement fuses are 13 This unit conforms to the Product a
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Table of Contents iEQ Table of Contents Defining the iEQ .....................................................i Service Contact Info...............................................ii Warranty..................................................................ii Installation Recommendations...............................1 Power Up Quick Key Options ..............................1 Rear Panel Connections.........................................3 Front Panel Connections.................................
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iEQ iEQ Operation ®
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Introduction iEQ Congratulations on your purchase of the dbx Professional Products iEQ Series Graphic INTRODUCTION Equalizer/Limiter with Type V™ noise reduction and AFS™. With an EQ heritage that has pro- duced 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
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Introduction iEQ Service Contact Info If you require technical support, contact dbx Customer Service. Be prepared to accurately describe the problem. Know the serial number of your unit - this is printed on a sticker attached to the top panel. If you have not already taken the time to fill out your warranty registration card and send it in, please do so now. Before you return a product to the factory for service, we recommend you refer to the manu- al. Make sure you have correctly followed insta
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Installation / User Power-Up Modes Operation iEQ Installation Recommendations FOR RACK MOUNT USE ONLY - Install the iEQ in your rack with the provided rack screws. When installed in a rack, the unit should be positioned with enough room (at least one 1U above the and 1U below the unit) to allow proper ventilation. The iEQ should not be mount- ed above or below anything that generates excessive heat. Ambient temperatures should not 0 0 exceed 113 F (45 C) when equipment is in use. Although th
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User Power-Up Modes Cont’d Operation iEQ Live Filter Lift Time Menu - Press the button on CHANNEL 2 to select through selections within menus. The selections for System Lockout are: Live Filter Lift Off, Live Filter Lift Short and Live Filter Lift Long, and will be represented by a lit LED once selected. The following illustra- tion show the selections and the corresponding LEDs indicators: Live Filter Lift Time Menu CHANNEL 2 AFS Normal vs. 6-Fixed/6-Live - Press the button
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Rear Panel Connections Operation iEQ Rear Panel Connections iEQ15 - dual channel 15 band graphic equalizer iEQ31 - dual channel 31 band graphic equalizer Power Cord Receptacle: Connects AC power to the equalizer. Power Switch: Switches the power on and off. Always make audio connections with the power switch in the off position. Input Connectors: Three types of input connectors are provided for input connections: female locking XLR type connectors, 1/4” tip-ring-sleeve phone jack connectors, and
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Front Panel Connections Operation iEQ iEQ31 - dual channel 31 band graphic equalizer Input Gain Control: This control sets the signal level to the equalizer. It is capable of -12dB to +12dB of gain. Its effect is apparent by viewing the OUTPUT LEVEL BAR GRAPH. EQ Bypass: This switch removes the graphic equalizer section from the signal path. The BYPASS switch does not, however, affect the INPUT GAIN, AFS, or LOW CUT filters. This but- ton lights red when the EQ is in bypass mode Boost/Cut Range
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Front Panel Connections Cont’d Operation iEQ The iEQ 15 and 31 offer the exclusive patent pending AFS (Advanced Feedback Suppression) feedback elimination module. The AFS uses Precision Frequency Detection and state-of-the-art processing to determine the exact portions of a given frequency of your feedback that need to be removed (instead of taking out large sections of your sound). For more detailed informa- tion regarding AFS, please visit the AFS white paper section at www.dbxpro.com. The A
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Operation Basic Connection iEQ Basic Connection of the iEQ The iEQ Series Equalizers have balanced inputs and outputs that can be used with any balanced or unbalanced line-level device. To connect the equalizer to your sound system refer to the following steps: • Turn off all equipment before making connections. • Mount equalizer in a standard-width rack. Install the EQs in a rack with the rack screws provided. It can be mounted above or below anything that does not generate excessive heat. Am
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dbx iEQ 15 and 31 Graphic Equalizer Block Diagram Relay Bypass Input Gain Input RF Inputs A/D D/A RF Filter TYPE IV™ DSP Outputs Filter Front Micro Panel Processor Slide Pots A/D Limiter CLIP Detect Output meter Type V™ NR Gain Reduction Programmable EQ Bypass Logic AFS (Red LED) Low Cut AFS (Green LED) Range Block Diagram Operation iEQ Block diagram ® ® iEQ User Manual 7 ...
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Specifications Operation iEQ Specifications Inputs Connectors: 1/4” TRS, female XLR (pin 2 hot), and Euroblock Type: Electronically balanced/unbalanced, RF filtered Impedance: Balanced 40k Ω, unbalanced 20k Ω Max Input Level: +22dBu balanced or unbalanced CMRR: >40dB, typically >55dB at 1kHz Outputs Connectors: 1/4” TRS, male XLR (pin 2 hot), and Euroblock Type: Balanced/unbalanced, RF filtered Impedance: Balanced 120 Ω, unbalanced 60 Ω Max Output Level: +20dBu balanced/unbalanced into 2k Ω or
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® A Harman International Company 8760 South Sandy Pkwy. Sandy, Utah 84070 Phone: (801) 568-7660 Fax: (801) 568-7662 Questions or comments? E•mail us at: customer@dbxpro.com or visit our World Wide Web home page at: www.dbxpro.com 18-1904-A
