Numark Industries DM1720X User Manual
Professional Disc Jockey Products
DM1720X STEREO MIXER
OWNER’S MANUAL
NUMARK INDUSTRIES
11 Helmsman Road, North Kingstown RI 02852 http://www.numark.com
DM1720X
Safety Information and Product Registration
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 “dangerous voltage” within the product’s
enclosure that may be of sufficient magnitude to constitute
a risk of electric shock to persons.
The exclamation point within the equilateral triangle is intended
to alert the user to the presence of important operating and
maintenance (servicing) instructions in the literature
accompanying this appliance.
CAUTION
FOR USA & CANADIAN MODELS ONLY
TO PREVENT ELECTRIC SHOCK DO NOT USE THIS (POLARIZED)
PLUG WITH AN EXTENSION CORD, RECEPTACLE OR OTHER
OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO
PREVENT BLADE EXPOSURE.
SAFETY INSTRUCTIONS
6. Heat - Avoid placing this product too close to
any high heat sources such as radiators.
7. Power Sources - This product should be
connected to a power supply only of the type
described in these operating instructions, or as
marked on the unit.
8. Power Cord Protection - Power supply cords
should be routed so that they are not likely to
be walked upon or pinched by items placed on
or against them. When removing the cord from a
power outlet be sure to remove it by holding the
plug attachment and not by pulling on the cord.
9. Object and Liquid Entry - Take care that
objects do not fall into and that liquids are not
spilled into the inside of the mixer.
10. Damage Requiring Service - This product
should be serviced only by qualified personnel.
If you have any questions about service
please contact Numark at the number(s) shown
on the back cover of this manual.
11. Grounding or Polarization - Precautions
should be taken so that the grounding or
polarization means built into the mixer is not
defeated.
1. Read Instructions - All the safety and operating
instructions should be read before this product is
connected and used.
12. Internal/External Voltage Selectors - Internal
or external voltage selector switches, if any,
should only be reset and re-equipped with a
proper plug for alternative voltage by a qualified
2. Retain Instructions - The safety and operating
instructions should be kept for future reference.
3. Heed Warnings - All warnings on this product and in
these operating instructions should be followed.
service technician. Do not attempt to alter this
yourself.
NOTE: This apparatus does not exceed the
Class A/Class B (whichever is applicable)
limits for radio noise emissions from digital
4. Follow Instructions - All operating and other
instructions should be followed.
apparatus as set out in the radio interference
regulations of the Canadian Department of
Communications.
5. Water and Moisture - This product should be kept
away from direct contact with liquids.
WARNING: To reduce the risk of fire or electric
shock, do not expose this appliance to rain or
moisture. Electrical equipment should NEVER be
kept or stored in damp environments.
Please record the serial number of your unit as shown on the back of the chassis as well as the name of the
dealer from whom you purchased the unit. Retain this information for your records. Please return the
warranty card enclosed to register your mixer with us.
MODEL: DM1720X PURCHASED FROM:_________________________
SERIAL NUMBER:__________________ DATE OF PURCHASE:________________________
Numark - The Proven Leader in DJ Technology
©1998 Numark Industries 2 http://www.numark.com
NUMARK DM1720X
STEREO MIXER
INDEX
Safety Information Page 2
Product Registration
Introduction and Features Page 4
DM1720X
Precautions Page 5
Front Panel Diagram Page 6
Rear Panel Diagram Page 8
Connection Instructions Page 9
Connection Diagram Page 9
Specifications Page 10
Block Diagram Page 11
Warranty and Service Page 12
Numark - The Proven Leader in DJ Technology
©1998 Numark Industries 3 http://www.numark.com
DM1720X
CONGRATULATIONS!
You have purchased the DM1720X 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 DM1720X Preamp Mixer
has been designed by DJs for DJs. It gives you all of the controls and features you need
in a professional piece of equipment to show off the best of your skills.
Thank you for buying Numark DJ products!
FEATURES...
• User replaceable assignable ALPs™ crossfader .
• Bass, Mid,Treble,and Gain controls on every input channel.
• Left<->Right Pan control on each channel and the DJ Mic.
• Neutrik™ “Combo” connector allows 1/4” or XLR plug
to be used for DJ Mic.
• 3 Phono and 5 Line inputs.
• Pushbutton Cueing with PFL (pre-fader listen) on each channel.
• Headphone monitoring with PFL/Program cross-fader.
• Master and Zone outputs.
• Stereo/Mono switch on the Master and Zones.
• Tape Out for direct recording.
• Powerful stereo headphone output.
• High-end performance audio signal.
• 12V BNC light connector.
As a special bonus we have
included a right angle headphone
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
©1998 Numark Industries 4 http://www.numark.com
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