2-Series Graphic Equalizers 131s 215s 231s User Manual Professional Audio Equipment
IMPORTANT SAFETY INSTRUCTIONS WARNING FOR YOUR PROTECTION READ THE FOLLOWING: CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN ATTENTION: 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 A R N I N G : TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE The symbols shown above are internationally accepted symbols that warn of potential hazards with electrical products.
IMPORTANT SAFETY INSTRUCTIONS LITHIUM BATTERY WARNING CAUTION! 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. Discard used batteries according to manufacturer’s instructions. ADVARSEL! Lithiumbatteri - Eksplosjonsfare. Ved utskifting benyttes kun batteri som anbefalt av apparatfabrikanten.
User Manual 2-Series Table of Contents Section 1 - Introduction..........................................................................6 Section 2 - Operating Controls..................................................................7 Section 3 - Connecting the EQ to Your System............................................8 Section 4 - Rear Panel Descriptions...........................................................9 Section 5 - Installation Considerations................................................
2-Series User Manual Warranty 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. You can also register online at www.dbxpro.com. Proof-of-purchase is considered to be the responsibility of the consumer. A copy of the original purchase receipt must be provided for any warranty service. 2.
User Manual 2-Series Section 1 - Introduction 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 10 Hz to 50 kHz frequency response, to its 112 dB dynamic range, the 2-Series offer out of this world specifications with a down to earth price point.
2-Series User Manual Section 2 - Operating Controls Front Panels 131s- Single Channel 31 Band Graphic EQ 215s- Dual Channel 15 Band Graphic EQ 231s- Dual Channel 31 Band Graphic EQ Input Gain Control This control sets the signal level to the equalizer. It is capable of -12 dB to +12 dB 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.
User Manual 2-Series frequency band centers of the 131s and 231s are marked at 1/3rd of an octave intervals on ISO standard spacings, while the frequency band centers of the 215s are marked at 2/3rds of an octave intervals on ISO standard spacings. Low Cut Enable Switch The LOW-CUT switch inserts or removes the 12 dB per octave 50 Hz low-cut filter from the signal path. When the LOW-CUT switch is pushed in, the LOW-CUT filter is IN the audio path.
2-Series User Manual Since the 2-Series Equalizers consume a relatively small amount of power, the units may be left on continuously. Section 4 - Rear Panel Descriptions s 131s- Single Channel 31 Band Graphic EQ s 215s- Dual Channel 15 Band Graphic EQ s 231s- Dual Channel 31 Band Graphic EQ Power Cord Receptacle Connects AC power to the equalizer.
User Manual 2-Series A balanced line is defined as two-conductor shielded cable with the two center conductors carrying the same signal but of opposite polarity when referenced to ground. An unbalanced line is generally a single-conductor shielded cable with the center conductor carrying the signal and the shield at ground potential. Input Cable Configurations: The equalizer has an input impedance of 40 kΩ balanced and 20 kΩ unbalanced.
2-Series User Manual Specifications Inputs Connectors: 1/4" TRS, female XLR (pin 2 hot) Type: Electronically balanced/unbalanced, RF filtered Impedance: Balanced 40 kΩ, unbalanced 20 kΩ Max Input Level: >+21 dBu balanced or unbalanced CMRR: >40 dB, typically >55 dB at 1 kHz Outputs Connectors: 1/4" TRS, male XLR (pin 2 hot) Type: Impedance-balanced/unbalanced, RF filtered Impedance: Balanced 100 Ω, unbalanced 50 Ω Max Output Level: >+21 dBu balanced/unbalanced into 2 kΩ or greater >+18 dBm balan
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.
