I-282 User Manual
Contents
1. BEN od dl A El BEE RAS 55 z 6 50 0 20 50 100 200 500 1K 2K 5K 10K 20K 30K Frequency Hertz Specifications are subject to change without notice Impedance ohms Impedance ohms 12 Beamwidth degrees SPL dB 360 330 300 1 282H AD S282H and AD S282HT Beamwidth and On Off Axis Response Curves Horizontal and Vertical Beamwidth Vs Frequency 270 240 210 180 150 120 Horizontal Vertica 500 1K 2K 5K 10K 20K Frequency Hertz Response On Axis 15 30 45 and 60 Off Axis Vs Frequency 15 Off Axi 200 500 1K 2K 5K 10K 20K 30K Frequency Hertz Specifications are subject to change without notice Painting the Loudspeaker The loudspeaker enclosure grill and mount can be painted to match any decor provided the following precautions are observed The cabinet is made of high impact polystyrene which requires controlled painting procedures in order to obtain good results Use a paint system designed for high impact polystyrene from any reputable paint supplier 1 Remove the grill 2 If painting mount and loudspeaker as a unit Attach the ball mount or yoke mount 3 Mask the loudspeaker s input connector 4 Mask the woofer tweeter and port being certain not to apply tape directly to the drivers Alternatively the inside of the grill can be completely2. The AD S282H model is bi amp capable and features a crossover bypass switch The AD S282HT is 70V 100V matching transformer equipped complete with an integral power tap selector switch The transformer may be bypassed for low impedance 8 ohm application versatility Two sets of parallel connected input wiring barrier strip terminals are provided for connecting multiple loudspeakers What s Included 1 282H e 282H loudspeaker 1 each e Yoke mount 1 each Yoke mount retaining knobs 2 each e M10 x 1 0 x 23mm socket head screws with flat and lock washers for security enhanced yoke mounting 2 each e Yoke mount insert plugs for non yoke mount applications 2 each e Swivel feet and retaining knobs for floor monitor applications 2 each eSelf adhesive rubber feet for swivels 4 each eOmni Mount adapter plate and M4 self tapping retaining screw 1 each eThis User Manual AD S282H and AD S282HT e AD S 282H or AD S282HT loudspeaker 1 each e Yoke mount 1 each e Yoke mount retaining knobs 2 each e M10 x 1 0 x 23mm socket head screws with flat and lock washers for security enhanced yoke mounting 2 each eYoke mount insert plugs for non yoke mount applications 2 each Input wiring cover and gasket 1 each Input wiring cover retaining screws M4 x 1 4 x 15 mm 2 each Input wiring strain relief bushing with wire hole 2 each may be part of cover Input wiring strain relief bushing no wire hole 1 each Strain relief bushing
3. bushings at the cabinet contact points ensure ease of positioning A large socket head screws to center hole is provided on the mounting surface side for wiring pass through NR secure the loudspeaker to the yoke mount Mount the yoke to a surface strong enough to support the weight of the loud y CO as to the suitability or strength of the mounting surface consult a qualified professional engineer After securing the yoke to the mounting surface have an assistant hold the loudspeaker in place while installing either the retain ing knobs or socket head screws with flat and lock washers AD S282H and AD S282HT only Once the loudspeaker has been positioned for desired acoustic coverage tighten the hardware securely speaker assembly using suitable hardware not included If any doubt exists Floor Monitor 1 282H only The 282H yoke mount comes with two swivel feet four self adhesive rub ber feet and retaining knobs Attach the two of the rubber feet to each of the two swivel outrigger bars one at each end Press firmly in place to ensure adhesion Then attach each of the two swivel outrigger bars to the yoke mount using the two small retaining knobs included The rubber feet should be oriented away from the yoke mount Swivel the outrigger bars per pendicular to the long axis of the yoke and tighten the retaining knobs Set the completed yoke assembly on the floor resting on the rubber feet Place the
4. D S282HT includes socket head screws and washers for enhanced security Specifications are subject to change without notice 10 Dimensions _ o 12 9 327mm 11 5 291mm 5 6 141mm 26 2 665mm L 10 2 J 259mm 175 44 5mm o o 04 o 14 00 355 6mm ri o 5 00 127 0mm o O oy 2 50 Lo 63 5mm Lo 210mm gt 8 3 1 351mm 3 50 88 9mm 16 00 406 4mm 7 00 177 8mm 8 00 203 2mm Specifications are subject to change 2 75 69 9mm without notice SPL dB SPL dB 1 282H AD S282H and AD S282HT Beamwidth Response and Impedance Curves On axis Response and Impedance Vs Frequency Passive 100 72 95 66 Mm EHER occ 90 60 85 54 manu Feet tt LI y i m Het arim HH He 70 36 65 30 i it Seren MOL O Sa p 55 18 Impedance HE i E minus s HERT FEEN 40 0 20 50 100 200 500 1K 2K 5K 10K 20K 40K Frequency Hertz On axis Response and Impedance Vs Frequency Bi amp 110 72 BEGET EHER 7 i 105 66 ETE 95 LF SPL 54 secret rama i i 85 42 80 36 ae 75 30 X HF Impedance r I AP SCNT NT un all 4 TU puss i h A ELLA HH ER
5. E mail Direcci n electr nica info qscaudio com service qscaudio com OSC QSC Audio Products Inc 1675 MacArthur Boulevard Costa Mesa California 92626 USA 2004 QSC and the QSC logo are registered with the U S Patent and Trademark Office
6. OSCE High power Two way Multi Use Loudspeaker e two 8 inch 203mm neodymium magnet low frequency drivers e 1 inch throat compression high frequency driver e yoke mount 1 282H Speakono input pole cup and floor mount swivel feet Bi amp capable 8 ohm AD S282H bi amp capable 8 ohm AD S282HT 70V 100V transformer equipped bypassable to 8 ohm TD 000148 00 rev A IMPORTANT SAFETY PRECAUTIONS amp EXPLANATION OF SYMBOLS 1 Read these instructions 2 Keep these instructions 3 Heed all warnings 4 Follow all instructions 5 Clean only with a dry cloth 6 Install in accordance with OSC Audio Product s instructions and a licensed professional engineer 7 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including ampli fiers that produce heat 8 Only use attachments accessories from QSC Audio Products Inc 9 Use only with mounts or brackets specified by QSC Audio Products 10 Refer all servicing to qualified personnel Servicing is required when the apparatus has been damaged in any way important operating and maintenance servicing instructions in this manual WARNING Before placing installing rigging or suspending any speaker product inspect all hardware suspension cabinets transducers brackets and associated equipment for damage Any missing co
7. ather resistant loudspeakers These products represent the state of the art in lightweight sound reinforcement loudspeaker systems To get the most from your investment we encourage you to review this manual carefully These loudspeaker systems are full range high output two way designs delivering supe rior sound quality and high SPL in a weather resistant enclosure The low frequency driv ers feature neodymium magnets while the high frequency driver features a ferrite magnet The included yoke mount provides secure and versatile installation These loud speakers make an excellent choice for a wide variety of applications All models include an adapter plate for users who desire to use OmniMount s suitable loudspeaker mount ing options The I 282H features two Speakon connectors wired in parallel for fast reliable connec tion and easy parallel connection of multiple loudspeakers The Speakon connectors are wired for passive or bi amp use and have a selector switch for bypassing the crossover when used in bi amp applications Additionally the I 282H includes two swivel outrig ger feet for converting the yoke mount to a floor monitor application The AD S282H and AD S282HT models feature weather resistant input wiring covers and wiring strain relief bushings They also include socket head screws for applications where enhanced mounting security may be desired used in place of the yoke mount retaining knobs
8. d LF Con nect the high frequency signal to the terminals marked HF and HF mF oo AD S282HT Connect the input to one set of the and terminals on the rear of the Ss loudspeaker EB Additional loudspeakers may be connect to the second set of and ter AD S282HT minals terminal pinout INPUTS WIRED IN PARALLEL Specifications AD S282H passive AD S282HT 1 282H passive Frequency Range Maximum Output Impedance Power Rating Recommended Amp Power Sensitivity Nominal Coverage Directivity Index and Q Transformer AD S282HT only Taps switch selectable 8 ohm bypass 80 27 7k Hz 6 dB free field response 60 29 5k Hz 10 dB free field response 119dB SPL continuous rms output calculated 125dB SPL peak output calculated 8 ohms nominal 5 5 minimum at 17 6k Hz 64 2 maximum at 2 56k Hz 400 watts rms IEC 268 5 8 hours 50 20k Hz 6dB crest factor 800 watts rms 93dB 1 watt 1 meter free field 4 pi 90 horizontal x 60 vertical with waveguide as installed at factory Frequency DI Q 500 Hz 6 2 4 2 1k Hz 9 5 8 9 2k Hz 11 0 12 6 Ak Hz 9 5 8 9 8k Hz 8 5 7 1 16k Hz 8 0 6 3 70V 100V 25 50 100 and 200W 50 100 and 200W Yes Yes Specifications are subject to change wit
9. e LF terminals and high frequency only signal is connected to the HF terminals The internal crossover network is bypassed completely when the switch is set to BI AMP PASSIVE Passive mode utilizes the loudspeaker s internal crossover network and requires a full range signal be applied to the PASSIVE terminals Do not use the terminals marker HF when using the loud speaker in passive mode Set the mode selector switch to the appropriate position before applying signal to the loudspeaker to avoid the possibility of damaging the drivers Transformer Tap Selector Switch AD S282HT Transformer tap selector switch Set the transformer tap selector switch to the appropriate setting before applying audio To select the power level align the tap selector switch slot with the desired power setting number Use a coin or flat tip screwdriver to operate the switch 70V Distributed Systems use the right side markings Select from 25 50 100 or 200 watts 1100 a 100V Distributed Systems use the left side markings Select from 50 100 or 200 watts the X position should not be used 8 Ohm low impedance Systems Set the tap selector switch to 8 ohms NOTE 8 ohm setting should be used for 8 ohm audio systems only Do not use 8 ohm setting when connecting the AD S282T loudspeaker to 70V 100V distributed A Set the tap selector switch to the appropriate position before applying signal to the loudspeaker to avoid the possibility of dama
10. etween the waveguide and the cabinet 4 Rotate the horn 90 clockwise or counter clockwise and set it back in place Make certain the wiring is not stressed or pulled loose from its connections 5 Before reinstalling the waveguide screws lift the assembly a small distance and make sure that the gasket is properly in place Reposition it if required Set the waveguide in place and reinstall the screws Do not overtighten 6 Replace the grill and install the upper and lower grill retaining screws Mounting IMPORTANT ENSURE THAT THE LOUDSPEAKER IS Attach safety A MOUNTED PROPERLY AND A SAFETY CABLE IS INSTALLED TO RETAIN THE LOUDSPEAKER IN THE EVENT OF A MOUNT ING FAILURE CONSULT A LICENSED PROFESSIONAL ENGI NEER WHEN ANY DOUBT OR QUESTIONS ARISE REGARDING A PHYSICAL EQUIPMENT INSTALLATION cable here Safety Cable Attachment all models Y On the back of the loudspeaker near the bottom is a safety cable attachment O point Install a safety cable strong enough to support several times the weight of the loudspeaker assembly in the event it may fall The cable must be secured to a secondary support point which is also strong enough to sup port several times the loudspeaker s weight Yoke Mount all models The included yoke mount handles most surface mounting applications It is For enhanced security constructed of light strong alloy and pre drilled for ease of use Integral use the included M10
11. ge Connection Input 1 1 PINOUT pos NEG 1 282H PASSIVE Set the BI AMP PASSIVE selector switch to PASSIVE Con 1 282H nect the full range input signal to Speakon pin 1 and the full range Speakon input signal to Speakon pin 1 The two Speakon connectors wired in paral pinout lel allowing a second I 282H loudspeaker also set for PASSIVE operation to be connected directly to the remaining Speakon connector BI AMP LF INPUT 1 1 2 2 PINOUT ACTIVE Set the BI AMP PASSIVE selector switch to BI AMP Con nect the low frequency signal to Speakon pin 1 and the low frequency signal to Speakon pin 1 Connect the high frequency signal to Speakon pin 2 and the high frequency signal to Speakon pin 2 A second 282H loudspeaker also set for BI AMP operation may be connected in parallel by connecting it to the remaining Speakon connector using a four wire Speakon connection Speakon plug pinout as viewed from wire side AD S282H PASSIVE Set the BI AMP PASSIVE selector switch to PASSIVE Connect the input to the PASSIVE and PASSIVE terminals on the rear of the loudspeaker Do not use second set of terminals marked HF and AD S282H J P HF terminal pinout BI AMP Set the BI AMP PASSIVE selector switch to BI AMP Con nect the low frequency signal to the terminals marked LF an
12. he examination of the return product must indicate in our judgment a manufacturing defect This warranty does not extend to any product which has been subjected to misuse neglect accident improper installation or where the date code has been removed or defaced QSC shall not be liable for incidental and or consequential damages This warranty gives you specific legal rights This limited warranty is freely transferable during the term of the warranty period Customer may have additional rights which vary from state to state In the event that this product was manufactured for export and sale outside of the United States or its territories then this limited warranty shall not apply Removal of the serial number on this product or purchase of this product from an unauthorized dealer will void this limited warranty Periodically this warranty is updated To obtain the most recent version of OSC s warranty statement please visit www gscau dio com Contact us at 800 854 4079 or visit our website at www qscaudio com Copyright 2004 OSC Audio Products Inc 0SC is a registered trademark of OSC Audio Products Inc QSC and the OSC logo are registered with the U S Patent and Trademark Office Speakon is a registered trademark of Neutrik AG OmniMount is a registered trademark of OmniMount Systems Phoenix AZ USA Introduction Thank you and congratulations on your purchase of the I 282H AD S282H or AD S282HT multi use we
13. hout notice Specifications AD S282H and 1 282H with Recommended Signal Processing Frequency Range Power Rating Recommended Amp Power Nominal Coverage Physical Specifications Weight Enclosure and Grill Controls Connectors Mounting Hardware Low Frequency Drivers parallel High Frequency Driver 70 2 1k Hz 6 dB free field response 2 1k 24 0k Hz 6 dB free field response 60 2 7k Hz 10 dB free field response 1 9k 24 0k Hz 10 dB free field response 400W 8 hrs IEC268 5 50 2 0k Hz 6dB crest factor 50W 8 hrs IEC268 5 1 0k 20 0k Hz 6dB crest factor 800W 100W 90 horizontal x 60 vertical with waveguide as installed at factory 1 282H 28 5 Ib net 36 8 Ib shipping 12 9 kg 16 7 kg AD S282H 27 7 b net 35 6 Ib shipping 12 6 kg 16 1 kg AD S282HT 32 9 Ib net 40 8 Ib shipping 14 9 kg 18 5 kg painted high impact polystyrene removable aluminum grill AD S282HT rotary tap selector switch AD S282H and 1 282H Active Passive mode selector rotary switch 1 282H 2 NL4 Speakons wired in parallel AD S282H barrier strip screw terminals 1 set used for passive 2 sets used for bi amp AD S282HT barrier strip screw terminals 2 sets wired in parallel All models yoke mount with retaining knobs 1 282H includes swivel outrigger feet retaining knobs and rubber feet integral pole cup accepts 1 375 or 1 500 35 mm or 38 mm pole diameters AD S282H and A
14. loudspeaker into the yoke and secure using the two large retaining knobs provided Position the loudspeaker for desire acoustic coverage and tighten the retaining knobs securely Pole Mounting I 282H only On the bottom of the I 282H is a pole cup that accepts 1 375 or 1 500 35 mm or 38 mm pole diameters For pole mounting lift the loudspeaker into position over the pole end and set it onto the pole Ensure the pole is fully and firmly seated into the pole cup of the loudspeaker OmniMount adapter plate OmniMount all models Attach to cabinet using provided M4 x 18mm For applications requiring the use of OmniMount s Pro 60 0 mount there is an self tapping screw then attach OmniMount adapter plate included The adapter plate is used between the OmniMount following manufacturer s recommendations bracket and the loudspeaker cabinet Orient the plate with it s curved side toward the loudspeaker and its safety cable access cut out toward the bot tom of the loudspeaker Attach to cabinet using the provided M4 x 18mm self tapping screw Consult OmniMount s literature and installation recom mendations for proper and safe application of their product We recommend the use of M8 x 1 25 x 50mm bolts for securing the OmniMount bracket to the loudspeaker cabinet Input Connection Cover AD S282H HT models The loudspeaker includes a weather resistant cover for the input terminals If using the cover be sure to pass the wiring th
15. masked and set in place on the loudspeaker enclosure for painting 5 Wash the components to be painted with a mild soap and hot water Be careful not to get water on or into either of the drivers or the input connections Rinse with hot water Allow to dry thoroughly 6 Scuff sand the components to be painted using red Scotchbrite pad or 320 400 grit sandpaper 7 Using compressed air remove all dust from the components to be painted Do not blow compressed air directly into either driver 8 Clean the components to be painted 9 Using a clean lint free white cloth wipe the components to be painted with suitable prep solution 10 Apply adhesion promoter 11 Apply primer topcoat 12 Apply paint 13 Allow to dry for at least 8 hours before handling 14 Notes Notes How to Contact QSC Audio Products Mailing address Direcci n postal Adresse postale JH 3 HE ht QSC Audio Products Inc 1675 MacArthur Boulevard Costa Mesa CA 92626 1468 USA Telephone Numbers N meros de tel fono T l phone 15 d Main Number USA 714 754 6175 Sales amp Marketing USA 714 957 7100 or toll free USA only 800 854 4079 N Customer Service USA 714 957 7150 or toll free USA only 800 772 2834 Facsimile Numbers N meros de fax T l copieur 4 Sales amp Marketing FAX USA 714 754 6174 Customer Service FAX USA 714 754 6173 World Wide Web Site Web PULL T www qscaudio com
16. r roded deformed or non load rated component could significantly reduce the strength of the installation placement or array Any such condition severely reduces the safety of the installation and should be immediately corrected Use only hardware which is rated for the loading conditions of the installation and any possible short term unexpected overloading Never exceed the rating of the hardware or equip ment Consult a licensed professional engineer when any doubt or questions arise regarding a physical equipment installation 1 The exclamation point within an equilateral triangle is intended to alert the user to the presence of Warranty USA only other countries see your dealer or distributor Disclaimer OSC 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 OSC Audio Products 3 Year Limited Warranty QSC Audio Products Inc OSC guarantees its products to be free from defective material and or workmanship for a period of three 3 years from date of sale and will replace defective parts and repair malfunctioning products under this warranty when the defect occurs under normal installation and use provided the unit is returned to our factory or one of our authorized service sta tions via pre paid transportation with a copy of proof of purchase i e sales receipt This warranty provides that t
17. retaining nut with wire hole 2 each Strain relief bushing retaining nut no wire hole 1 each eOmni Mount adapter plate and M4 self tapping retaining screw 1 each eThis User Manual Grill Removal 4 If it is necessary to remove the protective grill do so with care as to avoid gt bending or distorting the grill The grill is held in place by two retaining screws one at the front edge of the top of the cabinet and one at the front edge of the bottom Removing the Grill 1 Using a 2 Phillips head screwdriver remove the two grill retaining Screws 2 Carefully pry the grill from its retaining groove using a plastic flat blade tool such as a plastic putty knife Gently and evenly work the grill out of its 0 retaining groove to avoid bending the grill Coverage Angles Before mounting the loudspeaker determine the mounting orientation and desired coverage angles As supplied from the factory the loudspeaker s coverage angles are 90 horizontal x 60 vertical with the cabinet oriented vertically The waveguide can be rotated to interchange the coverage angles Rotating the Waveguide to Alter HF Coverage Pattern 1 Remove the grill as outlined above 2 Remove the eight waveguide retaining screws A 2 size Phillips screwdriver is recommended 3 Reach into the waveguide s port and pull gently to remove the waveguide Be careful not to damage the connections wiring or the gasket b
18. rough the bushing nut bushing cover and gasket before making connections The input wiring cover is keyed to fit one way only Be sure the keyed end is oriented toward the bottom of the loudspeaker cabinet For proper sealing we recommend 12 to 10 AWG 3 3 to 5 3mm stranded loudspeaker cable with a flat or twisted cross section If using smaller gauge wiring it may be necessary to use additional weather resistant compounds to achieve proper sealing of the wire entry points Input connection cover assembly ePass the wires through the wire cover gasket bushing and nut Strip the wires and connect to barrier strip screw terminals Slide the cover over the terminals and secure using the two machine screws provided eEnsure gasket is seated properly tighten compression nut cover is installed with its keyed end toward the loudspeaker s bottom fits flush against the loudspeaker cabinet all gaskets are properly placed and has all hardware tightened suffi ciently To assure weather tight connections make sure the input Bi amp Passive Mode Selector Switch 1 282H and AD S282H models Before applying signal to the loudspeaker ensure the BI AMP PASSIVE mode selector switch is set to the appropriate position Use a coin or flat tipped screwdriver to change the switch position BI AMP Bi amp mode requires pre processing of the signal before the loudspeaker so that low frequency signal only is connected to th
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