User manual

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1675 MacArthur Blvd., Costa Mesa, CA, 92626 USA

Main Number (714) 754-6175 or toll free (USA only) (800) 854-4079

Customer Service(714) 957-7150 or toll free (USA only) (800) 772-2834

MD Series Powered Loudspeaker Products

User Manual

MD-FP122/64r 60° x40° (HxV) 12-inch, two-way

MD-FP122/66 60° x 60° 12-inch, two-way

MD-FP122/94r 90° x40° 12-inch, two-way

MD-FP122/96r 90° x 60° 12-inch, two-way

MD-FP122/124r 120° x40° 12-inch, two-way

MD-FP152/64r 60° x40° 15-inch, two-way

MD-FP152/66 60° x 60° 15-inch, two-way

MD-FP152/94r 90° x40° 15-inch, two-way

MD-FP152/96r 90° x 60° 15-inch, two-way

MD-FP152/124r 120° x40° 15-inch, two-way

*TD-000186-00*

TD-000186-00-D

Summary of content (13 pages)

PAGE 1
675 MacArthur Blvd.
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Important Safety Precautions & Explanation of Symbols Install in accordance with QSC Audio Product's instructions and under the supervision of a licensed Professional Engineer. WARNING! CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE COVER. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.
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Introduction Congratulations and thank you for your purchase of this professional, powered loudspeaker product. To get the most from your investment, we recommend you review all the information provided in this User Manual. The Modular Design (or “MD”) self-powered loudspeakers provide excellent sound quality, quality construction, energy-efficient and clean power amplification on-board, and a multitude of models with common cabinet design making installation easier.
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Installation (continued) Cooling This product’s internal power amplifier produces some heat as a normal condition of operation. Allow a minimum of 4” (100mm) clearance at cabinet back for adequate ventilation, and avoid exposing to hot lights or direct sunlight. For ambient temperatures below 104°F (40°C) the fan will normally remain off. Between 104°F (40°C) and 122° (50°F) the fan will run for increasing periods of time. Above 130°F (55°C) the internal overheating protection will begin to operate.
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Input/Output Connections The active MD has a balanced 3-pin female XLR input marked IN and a male XLR output connector marked OUT. These connectors are wired in parallel, enabling connection of multiple enclosures in a “daisy-chain” fashion. Balanced connections are recommended for less AC hum and interference, especially with long cable runs. Unbalanced connections may be suitable for short cables. The signal's source impedance should be less than 600 ohms.
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SIG (Signal) Indicator LED The green SIG (signal) indicator alerts the user to the presence of an input signal to the MD loudspeaker. SIG (signal) indicator LED Normal Indication The green SIG indicator illuminates when the input signal exceeds -25 dB. If No Indication Check Gain settings and increase gain if necessary. Check input connections and audio source for signal. If the red LIM LED illuminates, refer to the LIM indicator section, below.
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Location of Pick Points Pick Points There are fifteen (15) load-rated pick points on the MD enclosure; four each on the top and on the bottom, two each on the sides, and three on the rear of the enclosure. These pick points are indicated with arrowheads on the illustration. Note the pick points on the cabinet bottom are not shown, but are identical to those indicated on the cabinet top. As shipped from the factory, each pick point has a strength rated flat head bolt installed.
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Rigging the Installation (continued) Rigging the Installation Rules for Suspension •Correct use of all suspension hardware and components is imperative in sound system rigging and deployment. •Always calculate suspended loads before lifting to ensure suspension components and hardware are used within their respective load limits. •Research local codes and regulations to fully understand the requirements for suspended loads in the venue in which the equipment is to be suspended.
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Horn Rotation The coverage angles for each model, as shipped from the factory, are show in the specifications section. If desired the high-frequency driver/horn assembly can be rotated 90° in order to change the coverage angle planes. Example: An MD-FP122/64r as shipped from the factory has a nominal coverage of 60° in the horizontal plane and 40° in the vertical plane when the enclosure is oriented normally (vertically, as shown at the right).
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Specifications MD-FP122/64r MD-FP122/66 MD-FP122/94 MD-FP122/96r Frequency Response, -6dB 55 Hz - 17.5 kHz 55 Hz - 17.5 kHz 55 Hz - 19.5 kHz 55 Hz - 16.5 kHz 55 Hz - 19 kHz Frequency Range, -10dB 50 Hz - 18 kHz 50 Hz - 19.5 kHz 50 Hz - 20 kHz 50 Hz - 19.
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Specifications MD-FP152/64r MD-FP152/66 Frequency Response, -6dB 50-17.5k Hz 50-19.5k Hz Frequency Range, -10dB 45-18k Hz Maximum Output MD-FP152/94r MD-FP152/96r MD-FP152/124r 50-19.
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Dimensions NOTE! Handles are provided on black-colored enclosures only! White-colored enclosures are not equipped with handles.
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Warranty (USA only; other countries, see your dealer or distributor) Disclaimer QSC Audio Products, Inc. is not liable for any damage to amplifiers or any other equipment that is caused by negligence or improper installation and/or use of this loudspeaker product. QSC Audio Products 3 Year Limited Warranty QSC Audio Products, Inc.