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 SHOCK marked on the unit.
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.
IMPORTANT INFORMATION... Please read this entire manual before connecting the DM1720X 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.
DM1720X DM1720X FRONT PANEL DIAGRAM... 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 (pre-fader listen) monitor when cueing.
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- you’re back in business! REPLACEMENT CROSSFADERS can be purchased from your local Numark Dealer, or by calling Numark Industries. 12. The Split Cue Level controls what signal is being monitored through your headphones. Move the slide control to the left and you will hear your source music from the channel(s) selected with the cue/PFL switch.
DM1720X DM1720X REAR PANEL DIAGRAM... 1. GND is the grounding lug for turntables 1, 2 and 3 (phono inputs on Channels 1, 2 and 3). Always use this connection (your turntable cable should have a grounding wire). 2. The Stereo Main Outputs are low-impedance RCA connectors controlled by the Master fader.
Mic 2 on the back of the unit. Connect your headphones on the front right side of the unit. The OUTPUT MASTER jacks on the rear of the unit are for connecting to the amplifier. DM1720X CONNECTION DIAGRAM... Zone 1 Sound System...
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.