Numark Industries Musical Instrument DM2002X User Manual

Professional Disc Jockey Products  
DM2002X STEREO MIXER  
OWNER’S MANUAL  
DM2002X  
NUMARK INDUSTRIES  
11 Helmsman Road, North Kingstown, RI 02852  
 
DM2 0 0 2 X  
NUMARK DM2002X STEREO MIXER  
INDEX  
Safety Information  
Product Registration  
Page 3  
Page 5  
Introduction  
Features  
Precautions  
Page 6  
Page 7  
Front Panel Diagram  
Operating Instructions  
Rear Panel Diagram  
Page 8  
Connection Diagram  
Specifications  
Page 9  
Page 10  
Page 11  
Page 12  
Block Diagram  
Warranty and Service  
Numark - The Prove n Le ade r in DJ Te chnology  
© 1 9 9 7 Num ark Indus t rie s  
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CONGRATULATIONS!  
You have purchased the DM2002X PRO MASTER MIX Stereo Mixer by Numark. This  
equipment features a completely new design and the latest in manufacturing technology to  
give you greater quality and better reliability than ever before. The DM2002X has been  
designed by DJs for Djs. It’s is the Scratch Mixers Dream Machine with absolute total mix and  
effect control. Enjoy your new mixer and remember:  
BE CREATIVE!  
Thank you for buying Numark DJ products!  
FEATURES...  
Rotatable Input Select Toggles  
Crossfader Reverse switch  
3 Phono Inputs with low-noise RIAA preamps  
5 Line Inputs  
DJ Mic Input  
-35DB KILL switches for Bass, Middle, & Treble on each channel  
Bass, Middle & Treble controls on each channel with -30dB “Cut”  
ability on each control for special effects and creative mixing  
Individual Gain Controls on each channel.  
User replaceable crossfader  
Transform buttons on Channels 2 and 3  
Monitor/Zone Level Control  
Pushbutton Cueing with PFL (pre-fader level) on each channel  
Send on each channel for easily hooking up an external sampler  
Same height as TT1700 and TT1910 turntables  
9.5” / 24 cm wide.  
Console inclined to raise above tone arm  
Rugged construction  
12V BNC light connector  
Numark - The Prove n Le ade r in DJ Te chnology  
© 1 9 9 7 Num ark Indus t rie s  
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IMPORTANT INFORMATION...  
Please read this entire manual before  
connecting the DM2002X to your system.  
For optimum performance:  
SYSTEM PRECAUTIONS  
• Use appropriate cables throughout your system:  
Quality shielded audio cables and terminated  
shielded video cables, low-capacitance preferred.  
Speaker cables must be 14-gauge minimum; 12- or  
10-gauge is better.  
• 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  
intermittents that could easily damage your  
speakers.  
• Reliability will be enhanced through the use of  
banana connectors on the speaker wires. Observe  
correct speaker wire polarity. If in doubt, consult  
your Numark dealer or a qualified technician.  
• Never use spray cleaners on the slide controls.  
Residues cause excessive dirt build-up and this  
will void your warranty. In normal use slide controls  
can last for many years. If they malfunction (usually  
because of a dirty or dusty environment) consult a  
professional technician.  
• Take care to connect only one cable at a time. Pay  
attention to the color-coded, labelled Input and  
Output jacks.  
• ALWAYS remember: “TURN AMPS ON LAST  
AND OFF FIRST”. Begin with master faders or  
volume controls on minimum and the amplifier  
gain/input control(s) down. Wait 8 to 10 seconds  
before turning up the volume. This prevents  
transients which may cause severe speaker  
damage.  
• Never attempt to make any adjustments or repairs  
other than those described in this manual. Take the  
DM2002X to your dealer or to an authorized  
Numark Service Center.  
• Use restraint when operating controls. Try to  
move them slowly. Rapid adjustments could  
damage speakers due to amplifier clipping.  
A NOTE ON CABLES:  
Avoid amplifier “clipping” at all costs: this  
occurs when the red LEDs (usually on the front  
panel of most professional power amplifiers) start  
flashing. “Clipping” is when the power amplifier is  
distorting and working beyond it’s limits. Amplifier  
distortion is THE major cause of speaker failure.  
Make the input and output  
connections with readily available  
low-capacitance stereo cables.  
Quality cable makes a big difference  
in audio fidelity and punch. See your  
Numark dealer or an electronics or  
audio specialist store if you are not  
sure which cables to get.  
• To prevent fire or shock hazard, do not expose  
the unit to rain or moisture. Never place cans of  
beer, soda, glasses of water or anything wet  
on top of the mixer!  
Numark - The Prove n Le ade r in DJ Te chnology  
© 1 9 9 7 Num ark Indus t rie s  
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DM2 0 0 2 X  
DM2 0 0 2 X FRONT PANEL DIAGRAM...  
GUIDED TOUR OF FEATURES AND  
OPERATING INSTRUCTIONS...  
1 7  
1 4  
7
If the DM2002X is your first mixer, please read this  
entire manual before you begin operation. If you are an  
experienced DJ we recommend reading the manual so  
you may fully appreciate this newer technology. The  
DM2002X can be 10” rack-mounted or used as a free-  
standing unit. Keep in mind that there are a few features  
you may never have seen before in a mixer of this type  
that you will need to read about.  
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5
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INSTALLATION AND OPERATION  
1
Study the Connections Diagram on page 13. First,  
connect all stereo input sources. Next connect your  
microphone(s) and monitor headphones. Make sure all  
faders are at "zero" and the unit is off. Finally, connect  
the stereo outputs to the power amplifier(s) and/or  
audio sources. Plug the DM2002X into AC power.  
Now you are ready to switch it on.  
1 3  
1 2  
2
1 1  
CHANNEL FEATURES  
8
1 0  
1. Channels 1, 2, & 3 Rotatable Input Toggle  
Switches select which source will be live to that  
channel based on what you have connected to the rear  
panel input section.  
1 5  
1 6  
To rotate or replace the toggle  
a. Turn off all power!  
b. Remove corner screws  
c. To rotate lift of toggle and place in it’s new  
position or to replace unplug the old unit and  
plug in the new one.  
4. Send Buttons are for allowing a channels pre-fader  
output to be sent to the send connectors in the rear of  
the unit. These are used for sampling and other special  
effects. You would return the send signal through  
another input channel.  
d. Screw toggle back into place.  
5. Treble, Middle, and Bass Controls are for  
setting appropriate equalized levels for the music you  
are playing. When turn all the way left they “CUT” the  
signal by -30dB for special effects mixing.  
2. The Input Faders are low-noise, low-impedance,  
high-quality, smooth Alps™ faders. These control  
individual source levels in the mix.  
6. Gain Controls are for accurately matching audio  
levels of the channels.  
3. PFL and Channel Cue Assign. The PFL  
pushbuttons are used to route channel audio to the  
main volume meter and the Cue Monitor Section.  
7. KILL buttons are for instantly eliminating the chosen  
frequency area. This way you can mix the bass of one  
song with the treble and middle of another.  
When a PFL is pressed the main volume meter  
changes its display to the PFL channel. This allows the  
DJ to accurately match levels before mixing with that  
channel’s gain control. The idea is to properly match  
inputs, not the input with the output!  
Numark - The Prove n Le ade r in DJ Te chnology  
© 1 9 9 7 Num ark Indus t rie s  
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CROSSFADER SECTION  
14. Stereo Output Level Indicator. This fast,  
accurate stereo meter tracks the output level. It's OK to  
be occasionally "in the red" as long as +5dB or +8dB  
aren't constantly lit. Set the crossover, equalizer and  
power amp inputs to avoid distortion at each step in the  
audio chain. Proper attention to the meter results in the  
punchiest possible sound without audible distortion.  
8. The Replaceable Crossfader achieves clean  
segues between the two selected input channels.  
"Hard left" selects Channel 2. "Hard right" selects the  
Channel 3. With the crossfader centered both channels  
are live. Use the crossfader for fast and seamless  
segues from one selected channel to the other.  
This meter is also used to monitor the PFL/CUE section.  
When a PFL LED is lit the display indicates this  
channel, when the MASTER LED is lit then the  
Master output is shown.  
Note: The crossfader is user replaceable in  
case of failure. Simply unscrew the two large  
screws which hold it in place, lift it out and  
disconnect it’s cable. Re-attach the new  
crossfader and screw the mounting plate back  
onto the unit - you’re back in business!  
CUE SECTION  
15. The CUE section includes the Program Mix  
(PGM) control, the Headphone Volume control  
and the Headphone Connector located on the  
front of the unit. Connect headphones with a standard  
1/4" stereo plug. The PFL audio is sent to the  
headphone amp using the PFL Assign  
9. The Crossfader Control toggle allows the DJ  
either reverse the direction of the crossfader or turn it  
off. By reversing direction Channel 3 will be on the left  
and Channel 2 will be on the right.  
10. Transform Buttons are for quickly reversing the  
crossfader direction in order to create various special  
effects.  
Pushbutton and the PGM Mix control. The  
Program Mix controls the amount of program audio in  
the headphones so that beats can be matched exactly  
and segues are smooth when a song is cued.  
11. Beat indicator lights show peaks in the music  
that usually represent a strong drum beat. You can use  
these to help you try and match up beat mixes.  
MIC SECTION  
16. The MIC Connector is located on the front panel  
of the unit and is controlled through an input on  
Channel 1.  
MASTER/BOOTH OUTPUT SECTION  
12. The Stereo Master Fader controls the overall  
output level.  
13. The Booth Level controls speaker volume for a  
remote zone or booth monitors. If you do not use booth  
monitors the output can feed a tape deck, another  
amplifier, another mixer or a satellite speaker system.  
Note: This can also be used to supply line level audio  
to a lighting controller or to lights that are sound  
activated.  
17. 12V BNC Connector allows a 12 volt gooseneck  
lamp to be connected directly to the mixer. This light is  
readily available from your Numark dealer.  
18. Power Switch and Power-On LED.  
CONTRACTOR'S NOTE: Booth Level provides  
zone control in installations where there are two  
separate rooms, or a bar and dance floor, for example.  
Remote zone volume should be controlled from the  
DM2002X.  
Numark - The Prove n Le ade r in DJ Te chnology  
© 1 9 9 7 Num ark Indus t rie s  
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DM2 0 0 2 X  
DM2 0 0 2 X REAR PANEL DIAGRAM...  
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8
8
8
7
1
3
4
5
6
7
6
7
REAR PANEL: INPUTS AND OUTPUTS  
6. Channels 2 and 3 Line Inputs are unbalanced  
RCA jacks. The Line Input is selected with the toggle  
switch on the front panel.  
1. AC Connection. Plug your power cord in here.  
See safety precautions on page 3 for proper treatment  
of the power cord.  
You can connect stereo audio from HiFi VCRs, cassette  
and reel-to-reel tape decks, DAT machines, CD players,  
laser discs, tuners, even synthesizers or other mixing  
consoles.  
2. GND is the grounding lug for all turntables. Always  
use this connection (your turntable cable should have a  
grounding wire).  
NOTE: Plug mono audio sources into both Left and  
Right inputs using a “Y” cable connector.  
3. The Stereo Main Outputs are low-impedance  
RCA connectors controlled by the Master fader.  
7. Phono Inputs on Channels 1, 2 and 3 use  
unbalanced RCA jacks. Your input signal is fed directly  
to the DM2002X's high-quality RIAA phono pre-  
amplifiers so use this position only for moving magnet  
cartridges. Line level sources will overload the sensitive  
phono pre-amps and will sound very bad, so always be  
sure to toggle the line/phono switch over to line before  
connection of line sources.  
4. The Stereo Booth/Zone Outputs are low-  
impedance unbalanced RCA jacks controlled by the  
Zone Level control.  
5. Send Output is set by the send buttons pressed  
on the front panel. Hook up you sampler or other  
processor here.  
8. Line/Phono Input switch. Use this to allow line  
level equipment to be plugged into your phono inputs  
giving you a total of 5 line input options.  
Warning: make sure the LINE/PHONO input  
switch is set to line before playing any line  
input level devices through your mix  
Numark - The Prove n Le ade r in DJ Te chnology  
© 1 9 9 7 Num ark Indus t rie s  
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DM2 0 0 2 X CONNECTION DIAGRAM...  
Turnt able 1  
Turnt able 3 Turnt able 2  
Tape Deck  
AC  
Out le t  
Ma in  
Sound Syst e m  
w/ Am p lifie r  
CD Pla ye r  
Sa m p le r  
Boot h  
Tape Deck  
Sound Syst e m  
w/ Am p lifie r  
Numark - The Prove n Le ade r in DJ Te chnology  
© 1 9 9 7 Num ark Indus t rie s  
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DM2 0 0 2 X  
SPECIFICATIONS...  
In p u t s :  
Lin e :  
1 0 Kohm input impe dance  
1 0 0 mV rms s e ns it ivit y (for 1 .2 2 V out put )  
1 0 Kohm input impe dance unbalance d  
3 m V rm s s e ns it ivit y (for 1 .2 2 V out put )  
5 0 m V rm s m ax input  
Mic :  
Ph o n o :  
4 7 Kohm input impe dance  
1 .5 mV rms se nsit ivit y @ 1 KHz (for 1 .2 2 V out put )  
Ou t p u t s :  
Lin e :  
9 V rms max (+2 0 dBm)  
He a d p h o n e : 0 .5 W int o 4 7 ohm  
Dis t o r t io n : less t han 0 .0 1 %  
S ig n a l t o No is e Ra t io (vs. maximum out put )  
Lin e :  
Mic :  
Ph o n o :  
Be t t e r t han 9 0 dB  
Be t t e r t han 8 4 dB  
Be t t e r t han 8 0 dB  
Fr e q u e n c y Re s p o n s e :  
Mic :  
2 0 Hz - 1 5 KHz +/ -0 .5 dB  
Lin e :  
Ph o n o :  
2 0 Hz - 2 0 KHz +/ -0 .5 dB  
+/ - 1 dB e xce pt for cont rolle d at t e nuat ion of -3 dB  
@ 2 0 Hz t o re duce rumble and fe e dback  
Ch a n n e l EQ:  
Ba s s :  
+1 5 / -3 0 dB @ 4 0 Hz  
Mid d le : +1 5 / -3 0 dB @ 1 .3 6 kHz  
T r e b le : +1 5 / -3 0 dB @ 2 0 Hz  
Ch a n n e l KILL:  
Ba s s :  
-6 6 dB @ 5 0 Hz  
Mid d le : -3 1 dB @ 1 .2 kHz  
T r e b le : -6 6 dB @ 1 5 kHz  
Po w e r Co n s u m p t io n :  
1 5 wat t t ypical, 1 8 wat t wit h full he adphone out put  
Numark - The Prove n Le ade r in DJ Te chnology  
© 1 9 9 7 Num ark Indus t rie s  
1 0  
 
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BLOCK DIAGRAM...  
Numark - The Prove n Le ade r in DJ Te chnology  
© 1 9 9 7 Num ark Indus t rie s  
1 1  
 
Professional Disc Jockey Products  
Wa r r a n t y a n d Se r v ic e In f o r m a t io n  
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 1 year, beginning on the date of  
purchase from an authorized Numark Dealer, but not to exceed 2 years from date of shipment by  
Numark.  
The Numark obligation under this warranty is limited to repairing or replacing, at its option, the  
product or part(s) therein; which upon examination by Numark shall appear to be defective or not  
up to factory specifications; providing the Numark product is returned (transportation prepaid) to  
Numark.  
Numark shall not be liable for any damages, consequential or otherwise, resulting from the  
use and operation of this product and makes no other warranty(s) either express or implied on  
this product, including any warranty of merchantability.  
This warranty does not extend to any of our products which have been subjected to  
misuse, neglect, accident, incorrect wiring not our own, improper installation, or use in violation of  
instructions furnished by us, nor extended to units which have been repaired or altered outside of  
our factory, nor to cases where the serial number thereof has been removed, defaced, or  
changed, nor to accessories used therewith not of our own manufacture. Numark reserves the  
right to make changes or improvements in its products, during subsequent production, without  
incurring the obligation to install such changes or improvements on previously manufactured  
equipment.  
To place this warranty into effect, the enclosed WARRANTY REGISTRATION CARD must  
be returned to Numark Industries, LLC within thirty (30) days after date of purchase.  
This warranty gives you specific legal rights, and you may also have other rights which  
vary from state to state.  
Some states do not allow the exclusion or limitation of incidental or consequential damages so  
the above limitation or exclusion may not apply to you.  
EQUIPMENT TRANSPORT  
A Return Authorization number should be obtained from Numark through the addresses or  
phone numbers below.  
It is the customer’s obligation, when returning faulty equipment, to properly pack the Numark  
equipment in its original packaging. Failure to do so may inadequately protect the equipment in  
transit and, therefore, jeopardize the customer’s warranty. The defective Numark equipment  
should be sent, FREIGHT PREPAID with Return Authorization number to:  
NUMARK INDUSTRIES  
11 Helmsman Road  
North Kingstown, RI 02852. U.S.A.  
Attention: Service Department  
Telephone: +1 (401) 295-9000  
Fax: +1 (401) 295-5200  
 

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