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EQM131 31 BAND GRAPHIC EQUALIZER
OWNER'S MANUAL
EQM131 31 Band Graphic Equalizer
Specifications are subject to change without notice
AtlasSound.com
1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435
©2006 ATLAS SOUND LP Printed in USA ATS002536 RevA 10/06 PP
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EQM131 31 BAND GRAPHIC EQUALIZER OWNER'S MANUAL CONTENTS Safety Instructions ........................................................................................................................................................ 3 Introduction, Features, and Applications ...................................................................................................................... 4 Safety Precautions ...................................................................................
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EQM131 31 BAND GRAPHIC EQUALIZER OWNER'S MANUAL IMPORTANT SAFETY INSTRUCTIONS • Read these instructions. • Keep these instructions. • Heed all warnings. • Follow all instructions. • Do not use this apparatus near water. • Clean only with dry cloth. • Do not block any 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 he
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EQM131 31 BAND GRAPHIC EQUALIZER OWNER'S MANUAL INTRODUCTION Thank for purchasing the Atlas Sound EQM131 equalizer. The EQM131 was design to meet professional quality standards. It can be used for live sound or permanent install applications. The EQM131 is a 1/3 octave 31 band mono graphic equalizer. This compact 1RU unit features 30mm faders with gain selection of 6dB or 12dB. The graphic filters feature a constant Q design to assure you filter interaction is minimal. The EQM offers a varie
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EQM131 31 BAND GRAPHIC EQUALIZER OWNER'S MANUAL CAUTION When Installing the Product • Plugging in or unplugging the power cord with wet hands may result in electric shock. • Never move the unit with the power cord plugged into the wall, as damage to the power cord may result. When unplugging the cord from the wall, grasp the plug, NOT the cord. • Never install this product in humid or dusty locations, nor in direct sunlight, near sources of heat, or in areas where sooty smoke or stea
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EQM131 31 BAND GRAPHIC EQUALIZER OWNER'S MANUAL FRONT PANEL DESCRIPTION 4 6 8 2 1 3 5 7 1. AC Mains Power Switch This switch turns the EQM131 on or off. To prevent spikes or pops through the system, turn the EQ on with the system amplifiers off and turn the amps off before turning the EQ off. 2. Fader Boost/Cut 1/3 Octave Level Control The 31 faders have 31mm of travel along with a center detent indicating the zero position. From the center point, moving the fader up will boost t
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EQM131 31 BAND GRAPHIC EQUALIZER OWNER'S MANUAL REAR PANEL DESCRIPTION 2 2 3 6 1 1 3 4 5 7 1. TRS 1⁄4" Input & Output Connections Balanced signals can be accomplished by wiring the 1⁄4” as follows: Tip (+), Ring (–) & Sleeve (GND) plug 1 Unbalanced ⁄4" signals can be accomplished by connecting the Ring and Sleeve together. 2. XLR Input & Output Connections Balanced signals can be accomplished by wiring the XLR Male and Female connectors as Pin 2 (+) , Pin 3 (–) and Pin 1 (GND). F
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EQM131 31 BAND GRAPHIC EQUALIZER OWNER'S MANUAL INSTALLATION CONSIDERATIONS Hook-ups and Cabling: The EQM131 Equalizer is designed for nominal +4dBu levels. The equalizer can be used with either balanced or unbalanced sources, and the outputs can be used with either balanced or unbalanced loads, provided the proper cabling is used. 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 grou
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EQM131 31 BAND GRAPHIC EQUALIZER OWNER'S MANUAL CONNECTING THE EQM131 The EQM131 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: 1. Turn off all equipment before making connections. 2. Mount equalizer in a standard-width 19" rack. It can be mounted above or below anything that does not generate excessive heat. Ambient temperatures should not excee
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EQM131 31 BAND GRAPHIC EQUALIZER OWNER'S MANUAL SPECIFICATIONS EQ TYPE Mono 1/3 Octave BANDS (FILTERS) 31 FILTER TYPE Constant Q INPUT IMPEDANCE 20kHz Balanced, 15kHz Unbalanced MAXIMUM INPUT LEVEL +22dBm OUTPUT IMPEDANCE 150 Ω MAXIMUM OUTPUT LEVEL +22dBm Balanced, +18dBm Unbalanced SIGNAL TO NOISE LEVEL 94dB THD .01% FREQUENCY RESPONSE 20Hz – 20kHz ±5dB POWER REQUIRMENT 115/230V 50/60Hz FUSE 100-120V use T500mA/250V 200-240V use T250mA/250V DIMENSIONS 1.75" x 19" x 8.5" (4.45cm x 48.3cm x 21
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EQM131 31 BAND GRAPHIC EQUALIZER OWNER'S MANUAL NOTES: Specifications are subject to change without notice AtlasSound.com 1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435 ©2006 ATLAS SOUND LP Printed in USA ATS002536 RevA 10/06 PP 11
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EQM131 31 BAND GRAPHIC EQUALIZER OWNER'S MANUAL Limited Warranty All products manufactured by Atlas Sound are warranted to the original dealer/installer, industrial or commercial purchaser to be free from defects in material and workmanship and to be in compliance with our published specifications, if any. This warranty shall extend from the date of purchase for a period of three years on all Atlas Sound products, including SOUNDOLIER brand, and ATLAS SOUND brand products except as follows:
