Professional Disc Jockey Products DM1125 STEREO MIXER with Digital Sampler OWNER’S MANUAL NUMARK INDUSTRIES 11 Helmsman Road, North Kingstown RI 02852 http://www.numark.
DM1125 Numark - The Proven Leader in DJ Technology ©1998 Numark Industries 2 http://www.numark.
DM1125 6. Heat - Avoid placing this product too close to any high heat sources such as radiators. 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.
DM1125 NUMARK DM1125 STEREO MIXER INDEX Safety Information Product Registration Page 3 Introduction Features Page 5 Precautions Page 6 Front Panel Diagram Page 7 Guided Tour of Features Operating Instructions Page 7 Rear Panel Diagram Page 11 Connection Diagram Page 13 Specifications Page 14 Block Diagram Page 15 Warranty and Service Page 16 Numark - The Proven Leader in DJ Technology ©1998 Numark Industries 4 http://www.numark.
DM1125 CONGRATULATIONS! You have purchased the D M 1 1 2 5 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 D M 1 1 2 5 brings to you the finest quality of DJ equipment available today. Thank you for buying Numark DJ products! FEATURES... Mixer features include: • • • • • • • • • • • • • User replaceable assignable ALPs™ crossfader .
DM1125 Numark - The Proven Leader in DJ Technology ©1998 Numark Industries 6 http://www.numark.
DM1125 IMPORTANT INFORMATION... Please read this entire manual before connecting the DM1125 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 intermittents that could easily damage your speakers. • Never use spray cleaners on the slide controls.
DM1125 DM1125 FRONT PANEL DIAGRAM... 7 11 20 19 13 1 2 15 12 26 9 10 16 3 31 17 8 28 29 27 25 30 5 4 6 14 18 GUIDED TOUR OF FEATURES AND OPERATING INSTRUCTIONS... CROSSFADER SECTION Please read this entire manual before you begin operation. 4. The Crossfader Assign knob to the left of the crossfader lets you choose which input channel will be heard when the crossfader is in the far left position. INSTALLATION AND OPERATION Study the Connections Diagram on page 13.
DM1125 DJ MIC SECTION MASTER/BOOTH OUTPUT SECTION The D M 1 1 2 5 has an extremely flexible DJ Mic channel. The Talkover function reduces the level of the music while leaving the DJ Mic at normal volume. 12. The Stereo Master Fader controls the overall output level. 7. Neutrik™ “Combo” connector allows connection of either a 1/4” jack or an XLR jack for the DJ Mic 1. This is ideal for connecting an XLR gooseneck directly into the mixer. 8.
DM1125 EQUALIZER SECTION GENERAL EQ HINTS 16. 5-Band Stereo Graphic Equalizer ( E Q ) . EQ compensates for differences in source material sound quality. In ultra-compact mobile systems this EQ can be used to tailor the sound to the acoustical requirements of the room. Center frequencies are 63Hz, 250Hz, 1kHz, 4kHz and 16kHz. Faders have a center detent for an accurate "flat” response. Below is a typical "house" EQ curve. Notice how the knobs above "0" balance out the knobs below.
DM1125 DIGITAL SAMPLER SECTION audible level of the sample in the mix. The Sampler uses dynamic RAM with a 12-bit microprocessor controller. The same digital signal processing components used in professional audio equipment deliver high-quality samples. 29. Memory Bank Select Pushbuttons A-D. Four banks are available for storing samples. To record a bank go to Write and then hit the bank button. You can record into any combination of banks by pressing multiple bank buttons.
DM1125 DM1125 REAR PANEL DIAGRAM... 1 6 4 5 3 7 7 7 8 7 2 8 REAR PANEL: INPUTS AND OUTPUTS 1. AC Cord. See safety precautions on page 3 for proper treatment of the power cord. 2. GND is the grounding lug for turntables 1 and 2 (phono inputs on Channels 1 and 2). Always use this connection (your turntable cable should have a grounding wire). 3. The Stereo Main Outputs are low-impedance RCA connectors controlled by the Master fader. 7. Channels 1-3 Line Inputs are unbalanced RCA jacks.
DM1125 DM1125 CONNECTION DIAGRAM... Microphone 2 Turntable 1 Tape Deck AC Outlet Zone Sound System w/ Amplifier Tape Deck CD Player Turntable 2 Main Sound System w/ Amplifier Numark - The Proven Leader in DJ Technology ©1998 Numark Industries 13 http://www.numark.
DM1125 SPECIFICATIONS... INPUTS: Line:10kΩ input impedance 80 mV rms sensitivity (for 1.22 V output) Mic: 10kΩ input impedance balanced/unbalanced 2.5 mV rms sensitivity (for 1.22 V output) 500 mV rms max input Phono:47kΩ input impedance 1.5 mV rms sensitivity @ 1 KHz (for 1.22 V output) OUTPUTS: Line: 9V rms max (+20 dBm) Headphone Amp: .5 watt into 47Ω Distortion less than .01% EQUALIZER: 5-Band Stereo Graphic EQ Band centers 63Hz, 250Hz, 1KHz, 4KHz, 16KHz +/- 12 dB SIGNAL TO NOISE RATIOS (vs.
DM1125 BLOCK DIAGRAM... Numark - The Proven Leader in DJ Technology ©1998 Numark Industries 15 http://www.numark.
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 from an authorized Numark Dealer, but not to exceed 2 years from date of shipment by Numark.
