User Manual - Quest Engineering
Contents
1. Description 8 Neodynium Woofer Recone kit for RT8007 1 Ferrite Compression Driver Asymmetric Horn Flares Complete grill includes foam Metal handle for HPI8i Connection Plate Manufacturer Plate Rotative Q badge with spring Top hat plate Rubber skids 137mm Passive Filter Network for HPI 8i No z 0 N lt lt 01 Register Your Product Thank you for choosing Quest Please take the time to complete your product registration card which is included with the packaging Registering your Quest Engineering product will e CONFIRM YOUR WARRANTY REGISTER YOUR PRODUCT e PROTECT YOUR NEW PRODUCT REGISTER ONLINE www questaudio net registration Quest engineering www questaudio net2. HPI 8i both sonically excellent and functionally suited to all aspects of mobile and permanently installed sound reinforcement High Powered Purpose Designed Components A high powered 25mm exit 1 4 diaphragm high frequency driver matched to a Quest designed asymmetrical horn flare delivers a hi fidelity high frequency response with a long throw capability Quest engineering HPI 8i User Manual Getting The Best From Your HPI 8i Suitable Amplification The HPI 8i is an 8 ohm enclosure and can be connected in multiple parallel connections to an amplifier channel that can operate at speaker impedances of 4 ohms A third speaker box can be connected in parallel if the amplifier can operate into loads of less than 4 ohms The HPI 8i is a mid power level high efficiency system so ultra high power is not necessary to obtain high sound pressure levels The recommended power range per amplifier channel is 350 450 watts RMS into an 8 ohm load or up to 900 watts RMS into a 4 ohm load The HPI 8i is ideal for use with the Quest QA1004 2004 or QM1000P amplifiers Setting the QA amplifier s high pass filter at 35Hz is recommended for full range applications If you are intending to add sub bass speakers or use for mainly vocal reproduction the high pass filter can be set to 80Hz The 80 Hz Hi pass is also recommended if the HPi 8i speakers are to be driven hard with full frequency dance music program over long dur
3. TM engineering f f i uy j Man ua bin X NN WANAN AANA 2 OOOO NN aaa III 5 S o T O lI I I I ome Ue rE I 1 01 11 T 89 8824 881881881 88181881 1 11 83 11 88811 T 133818181111111 T 1 SD I SO I I 111111111111811 1 gt BE PERSE LS 2 1 Ree 13133111118 D a Contents Safety Precautions 00 eee eee ee General Description 0 0000 ee eee Getting The Best From Your HPI 8i Flying the HPI 8i ccuu uuu HPI 8i Specifications HPI Si Reference Diagram HPI Series HPI 8i User Manual HPI8i User Manual Safety Precautions Be sure to read the instructions in this section carefully before use e Make sure you observe the instructions in this manual as the conventions of safety symbols and messages are very important e We also recommend you keep this instruction manual handy for future reference Safety Symbol and Message Conventions Safety symbols described below are used in this manual to prevent bodily injury and property damage whic
4. ations Reducing low frequency output will make more amplifier power available for clean vocal reproduction for full range sound set the high pass filter to 80Hz Connections 2 O Ss 6 2 JE 1 Two Neutric Speakon model NL 4 connectors are mounted in a recessed panel on the rear surface of the box This allows the speaker box to be set flat against a wall without physical interference to the speaker connector e The connector input is wired pin 1 and pin 1 e Pin 2 is not connected Take care when inserting the Speakon connector twisting the connector until it locks into place Reverse the procedure to disconnect Recommended HPI 8i Amplifier Configuration HPI Series HPI 8i User Manual User Manual HPI8i User Manual When positioning the speaker system on a stage make sure the HF horn at the top of the speaker box is above the heads of the audience At full power the output of the HPI 8i is very high and hearing damage can result from short to medium term exposure For best results when the HPI 8i is used as a front of house speaker consider angling the box forward slightly to direct the HF horn to cover the audience area The HF horn should be aimed away from the ceiling and focused on the intended area of coverage This will minimize HF reflections lower the reverberant field in the room and give better intelligibility Speaker cables Speak
5. ength and rigidity The recessed input panel allows for protection of the plastic Speakon connectors and also aids a visually tidy installation Solid Build Construction Built for a touring environment the HPI 8i is well suited to all professional applications The timber casing is reinforced birch ply with a heavy gauge power coated steel grill Like all Quest products it is built tough for a tough world Q HPI Series HPI8i User Manual General Description The HPI 8i is a full frequency range multi purpose 2 way passive speaker system designed for the live sound touring and permanent installation market It is suited to full range front of house sound for short and mid throw applications in both stand alone applications as part of a small array or distributed system Its versatility means it can also be configured in multiple numbers as a multi way system with sub bass enhancement or individually as part of a compact portable full range system with single sub bass enhancement See HPI Series bass speaker systems The HPI 8i requires no special system processor and can be installed in a vertical or horizontal installation with the horn flare rotated to give the appropriate HF dispersion Features The HPI 8i has a number of features designed to increase performance and versatility fora professional sound installation environment A great deal of attention was paid to the details of the design to make the
6. er cable needs to be as heavy gauge as conveniently possible for low loss results Light gauge cable below 1 5mm will create extra resistance and waste amplifier power This particularly applies to long speaker runs The amplifiers damping factor statistic punch for the non technical is greatly diminished so keep your speaker cables short and as heavy gauge as practical Speaker Placement as a Single Box or in Arrays The HPI 8i is intended for use as a single speaker distributed system or as part of a multiple speaker setup with or without sub bass reinforcement It can also be installed in small arrays of up to three boxes per array for very wide coverage applications When a group of point source speaker boxes are placed together it is possible to have interference effect between the boxes causing uneven frequency response This can be particularly noticeable in the mid high frequency area If you intend to set up the HPI 8i as part of a multiple box array see the section Flying the HPI 8i Ideal HPI 8i Flown Configuration HPI Series HPI8i Quest engineering HPI 8i User Manual J Rotating the Horn Flare The asymmetrical horn flare can be rotated through three separate planes of dispersion depending on the speaker box requirement and installation environment The planes are suited to either vertical or horizontal installations Good coverage of audiences often requires wide dispersi
7. h could result from mishandling Before operating your product read this manual first and understand the safety symbols and messages so you are thoroughly aware of any risks Q WARNIN G Indicates a potentially hazardous situation which if mishandled could result in death or serious personal injury HPI Series User Manual HPI8i Quest engineering When the Unit is in Use e Turn down the amplifier before switching on the amplifier If there is no sound check the speaker connections Speakon connectors must be locked in place e Should any of the following irregularities be found during use immediately switch off the amplifier power disconnect the power supply plug from the AC outlet and contact your nearest Quest dealer e If you detect smoke or a strange smell coming from the unit e f the unit falls and the unit case is damaged e If it is malfunctioning no HF or low frequency output Make no further attempt to operate the unit if it is found to be in any of the above conditions as this may cause fire or electric shock Flying the box from one insert must not be attempted Improper installation may result in damage injury or death HPI 8i User Manual WARNING When Installing the Unit Do not expose the unit to rain or an environment where it may be exposed to water or other liquids as doing so may result in damage to the bass driver or corrosion of the steel protective grill Do not cut
8. kink otherwise damage nor modify the speaker cable Also use speaker cable of at least 1 5mm core diameter In addition avoid locating the speaker cables close to heaters high traffic areas or locations where the cables can be damaged Avoid installing or mounting speaker boxes in unstable locations and when flying use the hardware designed for the speaker box and fix securely to a solid wall Failing to do so may result in the unit falling causing personal injury and or property damage Be sure to ground to the safety ground earth terminal to avoid electric shock Never ground to a gas pipe as a catastrophic disaster may result Never hang a speaker box from only one rigging point Use multiple points and attach a safety line to a point strong enough to take the weight of the speaker box WARNING HPI Series HPI 8i User Manual HPI8i User Manual The HPI 8i is a bass reflex design where the porting is specifically dimensioned to match the low frequency range capabilities of the high efficiency 8 neodynium magnet transducer despite the relatively small dimensions of the enclosure Good vocal and midrange response makes the HPI 8i an exceptional performer when it comes to vocal projection and reproduction of acoustic instrumentation Functional Design Not just stylish but practical an integrated carry handle also doubles as part of the rigging system and also serves to give the casing more str
9. on at the base of the horn flare to cover close listeners and a focused narrow dispersion at the top of the flare to beam to the back of the room The HPI 8i horizontal horn covers both short throw and long throw requirements in a single system For the majority of installations where the box is installed vertically the asymmetrical horn should be used as supplied and will not need to be rotated For horizontal installation rotate 45 degrees so the arrow is pointing at the floor side so as to have the beaming facility at the top of the horn Flying the HPI 8i X The HPI 8i can be flown in a permanent installation by attaching the designed flying hardware The HPI 8i can be wall mounted or hung in a flown installation using the flying fitting accessory For more information see the Quest HPI flying hardware manual Before suspending any speaker system always inspect all components enclosure rigging frames eyebolts track fittings etc for cracks deformations corrosion missing loose or damaged parts that could reduce strength and safety of the array Do not suspend the speaker system until the correct preparation of the installation site has been taken to avoid health risks during and after the completion of the installation A licensed Professional Engineer must approve the placement and method of attachment to the structure prior to the installation of any overhead object Ensure the box is secu
10. rely located If any doubt about the physical WAR N N G stability tie the box down with ratchet straps to a secure base HPI Series HPI 8i HPI8i User Manual 15 HPI 8i Vertical Side 55 HPI 8i Horizontal Side HPI Series User Manual HPI8i HPI 8i Wave Guide Examples 30 HPI 8i Vertical Front HPI 8i Horizontal Front Quest engineering HPI 8i User Manual 1k 2k 5k 10k 20k Frequency Hz 400W RMS 75 20kHz 3dB 91 5dB 1kHz 119dB 8 ohms 2x Speakon NL4 14 1 2 2 through 8 High Power Mid Bass Woofer 1 Exit Ferrite Compression Driver Asymmetric 15 45 Vertical 30 45 Horizontal 449 x 250 x 250 mm 8 9 kg Net HPI 8i Specifications Typical Frequency Response dB Level Sound pressure 110 100 90 80 70 60 50 1 1 1 1 1 20 50 100 200 Frequency Response 1W 1m Technical Specifications Power Handling Frequency Response Sensitivity Maximum SPL 1m Impedance Connections and Wiring Woofer Tweeter Directivity Dimensions Weight HPI Series HPI 8i User Manual HPI8i User Manual Spare Part T8007 RT8007 T1011 HWGHPISi HGHPI8i HHHPIS8i HCP8i HMP8i HQB25 HTHP2 HSK137 HXHPI8i HPI Series HPI8i HPI 8i Reference Diagram
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