® 2 -Ser ies Gr aphic Equalizer s 131 215 231 User Manual
IMPORTAN T SAFET Y IN ST RU CT ION S WARNING FOR YOUR PROTECTION CAU T I ON PLEASE READ THE FOLLOWING: RISK OF ELECTRIC SHOCK DO NOT OPEN AT T EN T I ON : R I S Q U E D E C H O C E L E C T R I Q U E - N E P A S O U V R I R W AR N I N G: T O R E D U C E T H E R I S K O F F I R E O R E L E C T R I C KEEP THESE INSTRUCTIONS 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
IMPORTAN T SAFET Y IN ST RU CT ION S LIT H IU M BAT T ERY W ARN IN G CAU T ION ! This product may contain a lithium battery.There is danger of explosion if the battery is incorrectly replaced. Replace only with an Eveready CR 2032 or equivalent. Make sure the battery is installed with the correct polarity. D iscard used batteries according to manufacturer’s instructions. ADVARSEL! Lithiumbatteri - Eksplosjonsfare.Ved utskifting benyttes kun batteri som anbefalt av apparatfabrikanten.
U ser Manual 2-Ser ies Table of Contents Safety Info ...............................................................3 Service Contact Info ...............................................4 Warranty ..................................................................5 Introduction and Features......................................6 Operating Controls .................................................7 Connecting the EQ to your system .......................8 Rear Panel Descriptions ............................
2-Ser ies U ser Manual W arranty This warranty is valid only for the original purchaser and only in the United States. 1. The warranty registration card that accompanies this product must be mailed within 30 days after purchase date to validate this warranty. Proof-of-purchase is considered to be the burden of the consumer. 2. dbx warrants this product, when bought and used solely within the U.S., to be free from defects in materials and workmanship under normal use and service. 3.
2-Ser ies U ser Manual Congratulations on your purchase of a dbx 2-Series Graphic Equalizer. The 2-Series represents a major step forward in the performance of entry-level graphic equalizers. From their amazing 10Hz to 50kHz frequency response, to its 108dB dynamic range, internal torodial transformer, the 2-Series offer out of this world specifications with a down to earth price point.
2-Ser ies U ser Manual Operating Controls Front Panels 131- Single Channel 31 Band Graphic EQ 215- Dual Channel 15 Band Graphic EQ 231- Dual Channel 31 Band Graphic EQ 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, or LOW CUT filters.
U ser Manual 2-Ser ies C ON N ECT IN G T H E EQ T O YOU R SYST EM The 2-Series Equalizers have balanced inputs and impedance balanced 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 EQ in a rack with the rack screws provided.
2-Ser ies U ser Manual 231- Dual Channel 31 Band Graphic EQ Power Switch (231 only): Switches the power on and off. Always make audio connections with the power switch in the OFF position. Power Cord Receptacle: Connects AC power to the equalizer. Output Connectors: Two types of output connectors are provided for output connections: male XLR type connectors, and 1/4" tip-ring-sleeve phone jack connectors.
2-Ser ies U ser Manual Insert the graphic equalizer between the signal source (usually a mixer) and the power amplifiers (or the crossover if there is one). Adjust the level and equalization as required to yield the desired system response. For optimum signal-to-noise response, the gain structure of the sound system must be properly set up. Each component of the sound system should be set at its nominal operating level, starting with the first element in the system, usually a mixing console.
2-Ser ies Notes: U ser Manual
® The Pr ofessional’s Choice In Signal Pr ocessing 8760 South Sandy Parkway • Sandy, Utah 84070 Phone: (801) 568-7660 • Fax (801) 568-7662 Int’l Fax: (801) 568-7583 E-mail us at: customer@dbxpro.com or visit us on the web at: www.dbxpro.com • www.driverack.com www.blueseries.
