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Numark DM 1820X manual

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Table of contents for the manual

  • Page 1

    Professional Disc Jockey Products DM 1820X STEREO MIXER OWNER’S MANUAL NUMARK INDUSTRIES 11 Helmsman Road, North Kingstown RI 02852 http://www.numark.com[...]

  • Page 2

    DM1820X Numark - The Proven Leader in DJ Technology ©1997 Numark Industries 2 http://www.numark.com[...]

  • Page 3

    DM1820X CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN 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 4

    DM1820X NUMARK DM1820X STEREO MIXER INDEX Safety Information Page 3 Product Registration Introduction and Features Page 5 Precautions Page 7 Front Panel Diagram Page 8 Rear Panel Diagram Page 11 Connection Instructions Page 12 Connection Diagram Page 13 Specifications Page 14 Block Diagram Page 15 Warranty and Service Page 16 Numark - The Proven Le[...]

  • Page 5

    DM1820X CONGRATULATIONS! You have purchased the DM 1820X 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 DM 1820X Preamp Mixer has been designed by DJs for DJs. It gives you all of the controls and feature[...]

  • Page 6

    DM 1820X As a special bonus we have included a right angle headhpone adapter with this mixer. Just plug your headphones into the adapter and then plug the adapter into your mixer. Numark - The Proven Leader in DJ Technology ©1997 Numark Industries 6 http://www.numark.com[...]

  • Page 7

    DM1820X IMPORTANT INFORMATION... Please read this entire manual before connecting the DM1820X 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 o[...]

  • Page 8

    DM 1820X DM1820X FRONT PANEL DIAGRAM... 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 1. Channel Input Gain/Trim/Attenuation Controls . These control the sensitivity of the inputs for Channels 1-4. Use these whenever a particular source causes overload of the preamp inputs. Attenuation range is 0dB to -20dB. Use these with the PFL (pr[...]

  • Page 9

    DM1820X 9. The Crossfader In/Out Pushbutton defeats the entire Crossfader function but leaves the Kill functions active. 10. Crossfader/Kill Assign Switches lets you choose which input channel will be heard when the Crossfader is moved to the left or right and affected by the Kill function. 11. The replaceable Crossfader achieves clean segues betwe[...]

  • Page 10

    DM 1820X Numark - The Proven Leader in DJ Technology ©1997 Numark Industries 10 http://www.numark.com[...]

  • Page 11

    DM1820X DM1820X REAR PANEL DIAGRAM... 1 2 3 4 5 6 7 8 9 10 12 7 7 7 7 9 9 8 11 1. The Balanced Main Outputs are low-impedance XLR type connectors controlled by the Master fader. 2. The Stereo Main Outputs are low-impedance RCA connectors controlled by the Master fader. 3. The Tape Outputs are low-impedance unbalanced RCA jacks which output the prog[...]

  • Page 12

    DM 1820X Instructions for Connection.... 1. Be sure the POWER (22) is OFF. All connections should be made before the unit is turned on. Always remember “Turn Amps on last and off first!” 2. Use appropriate cables throughout your system: quality shielded audio cables, low capacitance preferred. Speaker cable must be 14-gauge minimum; 12- or 10-g[...]

  • Page 13

    DM1820X DM1820X CONNECTION DIAGRAM... CD Player Turntable 2 Sound System w/ Amplifier Tape Deck Sound System w/ Amplifier AC Outlet Zone 1 Main Sampling Keyboard Turntable 1 Tape Deck Microphones Turntable 3 Sound System w/ Amplifier Zone 2 Dual CD Player Numark - The Proven Leader in DJ Technology ©1997 Numark Industries 13 http://www.numark.com[...]

  • Page 14

    DM 1820X SPECIFICATIONS... INPUTS: Line: 10k Ω input impedance 100 mV rms sensitivity (for 1.22 V output) Mic: 10k Ω input impedance balanced/unbalanced 3 mV rms sensitivity (for 1.22 V output) 50 mV rms max input Phono: 47k Ω input impedance 1.5 mV rms sensitivity @ 1 KHz (for 1.22 V output) OUTPUTS: Line: 9V rms max (+20 dBm) Headphone Amp:[...]

  • Page 15

    DM1820X BLOCK DIAGRAM... Numark - The Proven Leader in DJ Technology ©1997 Numark Industries 15 http://www.numark.com[...]

  • Page 16

    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[...]