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Numark Industries DM900EX manual

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Table of contents for the manual

  • Page 1

    Professional Disc Jockey Products DM900EX OWNER’S MANUAL NUMARK INDUSTRIES 11 Helmsman Road, North Kingstown, RI 02852 http://www.numark.com[...]

  • Page 2

    DM900EX CONGRATULATIONS! You have purchased the DM900EX Stereo Mixer by Numark. This equipment features all new circuitry and the latest in manufacturing and design technology to give you greater quality and better reliability than ever before. The DM900EX brings to you the finest quality of DJ equipment available today. Thank you for buying Numark[...]

  • Page 3

    DM900EX NUMARK DM900 STEREO MIXER INDEX Introduction Page 2 Features Safety Information Page 4 Product Registration Precautions Page 5 Front Panel Diagram Page 6 Rear Panel Diagram Guided Tour of Features Page 7 Operating Instructions Connection Diagram Page 9 Specifications Page 10 Block Diagram Page 11 Warranty and Service Page 12 Numark - The Pr[...]

  • Page 4

    DM900EX RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE ANY COVER. NO USER- SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL ONLY. The lightning flash with arrowhead symbol within the equilateral triangle is intended to alert the user to the presence of un-insulated “d[...]

  • Page 5

    DM900EX IMPORTANT INFORMATION... Please read this entire manual before connecting the DM900 to your system. For optimum performance: • Always make sure that AC power is OFF while making any connections. • Do not use excessively long cables (i.e. over 50ft/14m) Be sure plugs and jacks are tightly mated. Loose connections can cause hum, noise or [...]

  • Page 6

    DM900EX DM900EX FRONT PANEL DIAGRAM... 1 8 7 6 5 4 3 2 2 3 DM900EX REAR PANEL DIAGRAM ... 1 7 6 2 3 3 4 4 5 5 Numark - The Proven Leader in DJ Technology ©1998 Numark Industries 6 http://www.numark.com[...]

  • Page 7

    DM900EX GUIDED TOUR OF FEATURES AND OPERATING INSTRUCTIONS... If the DM900 is your first mixer, please read this entire manual before you begin operation. If you are an experienced DJ, simply replace your old mixer. The DM900 can be rack-mounted or used as a free-standing unit (four 6" rack unit spaces). INSTALLATION AND OPERATION Study the Co[...]

  • Page 8

    DM900EX REAR PANEL: INPUTS AND OUTPUTS (Please refer to diagram on page 7) 1. Power Input. Plug your external power supply into here. See safety precautions on page 3 for proper treatment of the power cord. 2. GND is the grounding lug for all turntables. Always use this connection (your turntable cable should have a grounding wire). 3. Phono Inputs[...]

  • Page 9

    DM900EX DM900EX CONNECTION DIAGRAM... CD Player Turntable 2 Tape Deck Sound System w/ Amplifier Power Supply Main Turntable 1 Turntable 3 Numark - The Proven Leader in DJ Technology ©1998 Numark Industries 9 http://www.numark.com[...]

  • Page 10

    DM900EX SPECIFICATIONS... INPUTS: Line: 47k Ω input impedance 100mV rms sensitivity (for 1.22 V output) Phono: 47k Ω input impedance 1.5 mV rms sensitivity @ 1 KHz (for 1.22 V output) OUTPUTS: Line: 7.2V rms max (+19 dBm) Headphone Amp: .5 watt into 47 Ω Distortion less than .01% SIGNAL TO NOISE RATIOS (vs. maximum output): Line: Better than [...]

  • Page 11

    DM900EX BLOCK DIAGRAM... Numark - The Proven Leader in DJ Technology ©1998 Numark Industries 11 http://www.numark.com[...]

  • Page 12

    Professional Disc Jockey Products Warranty and Service Information Numark Industries, LLC and Numark International, Inc. (hereafter “Numark”) warrants each new product manufactured and/or supplied by it to be free from defects in material or workmanship under conditions of normal use and service for 360 days, beginning on the date of purchase f[...]