QSC Audio HPR122i, HPR152i, HPR153i, HPR151i, HPR181i manual

1675 MacArthur Blvd., Costa Mesa, CA, 92626 USA Main Number (714) 75 4-6175 or toll free (USA only) (800) 854-4079 Customer Service(714) 957-71 50 or toll free (USA only) (800) 772-2834 HPR Series Powered Loudspeaker Products User Manual HPR122i 12-inch two-way HPR152i 15-inch two-way HPR153i 15-inch three- way HPR151i 15-inch subwoofer HPR181i 18-[...]

2 Important Safety Precautions & Explanation of Symbols Install in accordance with QSC Aud io Product's instructions and under the supervision of a licensed Professional Engineer . WA RN I N G ! CAUTION: TO REDUCE THE RISK OF ELECTR IC SHOCK, DO NOT REMOVE THE C O VER. NO USER-SERVICEABLE P ARTS INSIDE. REFER SERVIC ING TO QUALIFIED PERSO [...]

3 Introduction Congratulations and thank you for your purchase of this profe ssional, po wered loudspeaker product. T o get the most from your in vestment, we recommend you review all the information provided in this User Manual. The HPR self-powered loudspeakers provide excellent sound quality , durable construction and clean, efficient, on-board [...]

4 HPR153i Features 1- Power Amplifier 4- Slip-resistant Feet 2- Handles 5- Rigging Points 3- Grill HPR151i Features HPR181i Features 1- Pole Cup 4- Power Amplifier 2- Handles 5- Slip-resistant Feet 3- Grill 6- Casters (HPR181W only) 3 2 5 1 2 4 5 3 2 5 1 2 4 5 4 1 2 3 6[...]

5 Full Range Amplifier Detail 1- Input and Output Connector(s) 2- Gain Control 3- Power , Signal, and Clip LED Indicators 4- Front LED Switch 5- 100 Hz Low-Cut Filter Switch 6- Power Switch 7- Circuit Breaker 8- Serial Number Plate 9- Power Cord T ether Lance 10- IEC Power Inlet Subwoofer Amplifier Detail 1- Input and Output Connector(s) 2- Gain Co[...]

6 Installation Before placing, installing, rigging, or su spending any speaker product, inspect all h ardware, suspension, cabinets, transducers , brackets and associated equipment for damage. Any missing, corroded, deformed, or non-load rated component could significantly reduce th e strength of the installation or placement. Any such condition se[...]

7 Installation (continued) Pick Points (suspended installations) The HPR152i and HPR153i enclosures feature three load-rated pick points. The HPR122i enclosure features nine load-rated pick points. As shipped from the factory , each pick point has a bolt or plug installed to retain the air -tight design of the enclosure. Never operate the loudspeak[...]

8 AC Mains Connect AC power to the IEC socket on the back of the amplifier by locating the IEC connector -end of the AC power cord and inserting it fully into the IEC inlet on the power amplifier module. NOTE: T urn off the AC power switch before connecting AC power . An AC power cord hook-and-loop tether (retention strap) is provided to mini- mize[...]

9 Input Connections Full-range models have one female XLR line-level input marked FULL RANGE LINE IN. Subwoofers have a second set of connectors, one for the left channel’ s audio and one for the right channel’ s audio. We recommend balanced connections be used . Balanced con- nections will reduce AC hum and interference, especially with long c[...]

10 Output Connections Full-range models have one XLR output connector marked FULL RANGE LINE OUT . The output connector is wired in parallel with the input enabling connection of multiple enclosures in a “daisy-chain” fashion. Subwoofer models have two sets of output connectors, one set for the left and one set for the right audio chan- nel. Ea[...]

11 GAIN Control The GAIN control is marked in dB of attenuation. There are 21 detents for repeatable adjustments. T urn the GAIN con- trol clockwise to increase gain and counter clockwise to decrease gain. The upper 14 steps are about 1 dB each a nd settings should normally be made within this range. When operat- ing with the GAIN set below -15 dB,[...]

12 Front LED Switch The Front LED Switch, located on the rear panel, is used to enable or dis able the LED located on the front of the enclosure near the bottom of the grill. Slide the switch to the ON position to enable the front LED and slide it to the OFF position to disable the front LED. Most applications merit the use of the Fr ont LED so pow[...]

13 SIGNAL Indicator LED The green SIGNAL indicator alerts the user to the presence of an input signal to the HPR loudspeaker . Normal Indication The green SIGNAL indicator illuminates w hen 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 t[...]

14 Application Example #1 This example shows a two-channel (stereo) setup utilizing two top-boxes. Audio signals for the Left and Right channels are supplied by the mixer console. This signal source can be just about any variable-output level audio source, such as DJ mixers, profes- sional CD players, or computer -based audio signal sources. Audio [...]

15 Application Example #2 This example shows a two-channel (stereo) setup utilizing one subwoofer and two top-boxes. Audio signals for the Left and Right channels are supplied by the mixer console. This signal source can be just about any variable-output level audio source, such as DJ mixers, profes- sional CD players, or computer -based audio sign[...]

16 Application Example #3 This example shows a two-channel (stereo) setup utiliz- ing two subwoofers and two top-boxes. Audio signals for the Left and Right channels are supplied by the mixer console. This signal source can be just about any variable-output level audio source, such as DJ mix- ers, professional CD players, or computer -based audio s[...]

17 Application Exampl e #4 ho okup diagram. Use only high-qualit y balanced cables for interconnecti ng th e audio equipment. Ensure the top-boxes have their 100 Hz LOW- CUT FIL T ER switched on when co nnect ing to the subwoofer’ s FU LL RANGE LINE OUT as a signal sour ce . Also, be sure to use either the Left or Right (marked L or R) on the sub[...]

18 Application Example #5 This example shows a two-chan- nel (stereo) setup utilizing two HPR122i loudspeakers as floor monitors. Audio signals for the Left and Right channels are supplied by the mixer console auxiliary buss. This allows the monitor level to be adjusted independently from the main (house) mix. Audio output from the mixer’ s Left [...]

19 Dimensions, HPR152i Dimensions, HPR153i[...]

20 Dimensions, HPR151i Dimensions, HPR181i[...]

21 Specifications, HPR122i HPR122i Frequency Response, -3dB 62-18k Hz Frequency Range, -10dB 53-22k Hz Maximum Peak SPL 131dB Nominal coverage, H x V 75°x75° Directivity Index 9.7 Directivity Factor 9.4 T ransducer Desc rip tion 12” (309mm) transducer with 3” (76mm) voice coil 1” (25mm) throat compression drive Acoustic Crossover Freq. 2,00[...]

22 Specifications, HPR152i and HPR153i HPR152i HPR153i Frequency Response, -3dB 54-17.5k Hz 41-17.5k Hz Frequency Range, -10dB 47-20k Hz 36-20k Hz Maximum Peak SPL 135dB 133dB Nominal coverage, H x V 90°x60° 90°x40° Directivity Index 9.4 11.1 Directivity Factor 8.7 12.9 T ransducer Desc rip tion 15” (381mm) transducer with 3” (76mm) voice c[...]

23 Specifications, HPR151i and HPR181i HPR151i HPR181i Frequency Response, - 3dB 51-10 5 Hz 45-95 Hz Frequency Range, -10dB 43-145 Hz 39-145 Hz Maximum Peak SPL 133dB 134dB Nominal coverag e, H x V Not applicable (N/A) Not applicable (N/A) T ransducer Descriptio n 15” (381mm) transducer with 3” (76mm) voice coil 18” (457mm) transducer with 4?[...]

W arranty (USA only; other countries, see your dealer or dist ributor) 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 Y ear Limited Warranty QSC Audio Products, Inc. (“QSC”) gu[...]