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MD Series Powered Loudspeaker Products
User Manual
MD-FP122/64r
MD-FP122/66
MD-FP122/94r
MD-FP122/96r
MD-FP122/124r
MD-FP152/64r
MD-FP152/66
MD-FP152/94r
MD-FP152/96r
MD-FP152/124r
*TD-000186-00*
TD-000186-00-D
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
60° x40° (HxV)
12-inch, two-way
60° x 60°
12-inch, two-way
90° x40°
12-inch, two-way
90° x 60°
12-inch, two-way
120° x40°
12-inch, two-way
60° x40°
15-inch, two-way
60° x 60°
15-inch, two-way
90° x40°
15-inch, two-way
90° x 60°
15-inch, two-way
120° x40°
15-inch, two-way
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Summary of Contents for QSC MD-FP122/124r
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Page 1: User Manual
MD Series Powered Loudspeaker Products User Manual MD-FP122/64r 60° x40° (HxV) MD-FP122/66 60° x 60° MD-FP122/94r 90° x40° MD-FP122/96r 90° x 60° MD-FP122/124r 120° x40° MD-FP152/64r 60° x40° MD-FP152/66 60° x 60° MD-FP152/94r 90° x40° MD-FP152/96r 90° x 60° MD-FP152/124r 120°... -
Page 2: Fcc Interference Statement
11- Use only attachments/accessories specified by QSC Audio Products, Inc. 12- Use only with hardware, brackets, stands, and components sold with the apparatus or by QSC Audio Products, Inc. 13- Unplug the apparatus during lightning storms or when unused for long periods of time. -
Page 3: Installation
Ensure all pick-point fasteners are installed and correctly tightened in order to maintain enclosure’s rated strength. Additionally, air leaks resulting from missing hardware will degrade the loudspeaker’s performance. Use only 3/8-inch, 16 threads per inch forged shoulder eye bolts, QSC part number SR-000096-00. Contact QSC Technical Services depart- ment for complete information. -
Page 4: Power Switch
Orient the PowerCon connector with the PowerCon socket located on the rear panel of the loud- speaker. It is keyed and will only fit into the socket when aligned properly. Insert the connector fully and rotate clockwise until the locking mechanism engages. -
Page 5: Input/Output Connections
Input/Output Connections The active MD has a balanced 3-pin female XLR input marked IN and a male XLR output con- nector 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. - Page 6 • During operation, bright flashing indicates clipping (overdrive distortion). • This is normally due to excessive volume, and will likely be accompanied by audible distortion. • If the speaker mutes repeatedly during peaks, there may be a component fault. AC power should be removed and the speaker serviced.
- Page 7 These bolts are load bearing components of the enclosure. Do not remove these bolts except to replace a bolt with a forged-shoulder eye bolt. If a flat head screw is lost, contact QSC’s Technical Services department for a replace- ment.
- Page 8 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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Page 9: Horn Rotation
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°... -
Page 10: Specifications
90°x40° rotatable 11.7 11.3 14.7 13.4 1.2k Hz 1.4k Hz MD-FP122/96r MD-FP122/124r 55 Hz - 16.5 kHz 55 Hz - 19 kHz 50 Hz - 19.5 kHz 50 Hz - 20 kHz 127 dB continuous 126 dB continuous 135 dB peak 137 dB peak 90°x60°... - Page 11 Specifications MD-FP152/64r MD-FP152/66 Frequency Response, -6dB 50-17.5k Hz Frequency Range, -10dB 45-18k Hz Maximum Output 129 dB continuous 139 dB peak Nominal coverage, H x V 60°x40° rotatable (as installed at factory) Directivity Index 12.8 Directivity Factor 19.0 Acoustic Crossover Freq. 1.32k Hz Transducer Description LF: 15”...
- Page 12 Dimensions NOTE! Handles are provided on black-colored enclosures only! White-colored enclosures are not equipped with handles.
- Page 13 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.
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