MK Sound S-80 SX-7 Owner`s manual
Contents
1. e The blinking overload indicator means the driver thermal overload protection has activated a compressor This reduces the input level to the amplifiers e The compressor was designed to protect the speakers and its action is highly audible If a client insists on listening to the monitors at a very high volume you may find that the overload indicator lights frequently Since the majority of the power requirement in any monitor are the low frequencies selectively reducing the low end can provide a little more headroom and volume for the monitors Change the LOW FREQ FILTER 4 switch to 80Hz if necessary to reduce the bass response This may allow the HR624 MK2s to play just enough louder to satisfy the client and to eliminate most of the amplifier clipping Thermal Protect All amplifiers produce heat The HR624 MK2 is de signed to be efficient both electrically and thermally fforsome reason the heatsinks get too hot a thermal switch activates placing the HR624 MK2 into Standby mode indicated when the power ring 10 turns off Should this happen make sure that airflow to the rear of the cabinet is not restricted e When the heatsinks cool down to a safe temperature the switch resets and normal operation resumes Integrated Magnetic Shielding The HR624 MK2 Studio Monitor contains drivers with large magnet structures The drivers magnets are shielded to help prevent the magnetic field from radiat ing out in2. RED POWER SWITCH FRONT PANEL HF TRANSDUCER HI FREQUENCY UNBALANCED HEOUTS THERMAL MODELER HI FREQUENCY HF OUT DRIVER LINE POWER AMPLIFIER INPUT HIGH FREQ CROSSOVER 246 Y HI FREQ 2 db 2 TWEET B JE gt COMPRESSOR gt E um LO FREQ gt E BALANCED SENSITIVITY x LINE enses a INPUTS c SENSITIVE i LE TEANSDULER MUTE POU THERMAL MODELER CALLOUS CALOUS 1 4 77 ACOUSTIC EN LO FREQUENCY AE LOW FREQ LO FREQUEN DRIVER WHOLE 49Hz NORMAL FOWER AMPLIFIER HF OUT HAE C 5 QUARTER 80Hz p 3 t gt WOOF OUTER SPACE o MOTION DETECTOR MUTE FUSE g BASS CONTROL SERVO LOOP T20V gt 240V ON 5 SENSE RESISTOR L HI VDC FUSE 3 7 TOROIDAL POWER MACKIE TRANSFORMER HR624 MK2 BLOCK DIAGRAM 030507 The following are trademarks or registered trade marks of LOUD Technologies Inc The Mackie logo HR Series Zero Edge Baffle and the Running Man THX and pm are trademarks of THX Ltd which may be registered in some jurisdictions rights reserved Lucasfilm is a trademark of Lucasfilm Ltd This manual also contains names and marks of other companies which belong to those respective companies and are hereby acknowledged HR624 MK2 design protected under the following pat HR624 MK2 ent DES 387 951 2007 2009 LOUD Technologies Inc All Rights Reserved Mackie Limited Warranty Please kee
3. commanding lows of the HR624 MK2 Then read the rest of this manual AN EXTREMELY IMPORTANT NOTE ON HR624 MK2 BASS RESPONSE AND YOUR CONTROL ROOM Your new HR624 achieve their best bass response in a room that s optimized for bass reproduction lot of factors can conspire to thwart the HR624 MK2s extended low frequency including room shape room volume and acoustical treatment E E gt This is not a cop out or an apology It s plain old physics in action Luckily we ve armed you with some compensating controls that you can use to optimize the frequency response of the speakers in your particular room Consider the following The ACOUSTIC SPACE switch must be set correctly When you put your HR624 MK2s in a corner or up against walls their bass characteristics change Adjust the ACOUSTIC SPACE 3 switch setting accordingly to avoid muddy or exaggerated low frequency response o e ACOUSTIC SPACE APPLICATIONS Lowcur s E os ES 2a LEE LOW FREQ ACOUSTIC SPACE HIGH FREQ WARNING mo renaz nex or ror x Dass is eM ar STE 9 OF a 1098 QUARTER WHOLE NORMAL o Qmm 0 HALF INPUT ACOUSTIC Low HIGH SENSITIVITY SPACE FREQFILTER FREQ FILTER SIGNAL INPUTS BAL UNBAL i uL v 0 BOTTOM OF Set the Voltage Selector Switch
4. when it comes to premium sound no other name so closely defines quality for millions of movie goers and home theater enthusiasts alike Today a new landscape is emerging landscape com prised of hundreds of small professional multi channel facilities whose need for differentiation expert techni cal and marketing support and a true multi channel Note The Mackie logo can be rotated 90 so that it is oriented correctly when placing the speakers on their sides Gently pull out on the Mackie emblem rotate it and push it back into place standard is becoming a competitive fact of life Again THX has a singular solution and this time it s called THX pm23 Certification facilities involved with mixing and or monitoring of multi channel material should have the option to use pm3 THX pm3 Certification is ideal for DVD mastering sweetening and mixing and is also perfect for facilities doing work in broadcast music or multi media applica tions HR624 MK2 THX pm3 Certification When we submitted the HR624 MK2s for THX pm3 Certification they passed on the first try with no modifi cations Anyone seeking THX Certification for their studio or striving to maintain THX standards can use the HR624 and rest assured that their facility is in full compliance Monitor 1 F4 E gt Purchased at Part No SW0592 Rev D 01 09 2007 2009 LOUD Technologies Inc All
5. 4 1b 10 6 kg LOUD Technologies is always striving to improve our products by incorporating new and improved materials components and manufacturing methods Therefore we reserve the right to change these specifications at any time without notice 8 6 21 9 cm ___ HR624 High Frequency EQ Filter Response b b h b b b b o 100 10k 20k HR624 Low Frequency Filter Response 12 6 31 9 gt 10 3 26 2 cm HR624 MK2 Owner s Manual HR624 MIQ Block Diagram POWER MODE SWITCH o MUTE ref gt AUTO ON OFF MUTE STANDBY HIGH MUTEOFF CONTROL LOW MUTE ON ees THERMAL SWITCH 5 LOW L POWER RING VOLTS SENSE X rower wire E E _ OVERLOAD
6. Rights Reserved Contents IMPORTANT SAFETY INSTRUCTIONG 2 INTRODUCTION e 3 QUICK START eee rre ptt b Es 4 REAR PANEL DESCRIPTION 8 1 SIGNAL INPUTS sssini 8 2 INPUT SENSITIVITY eerte 8 3 ACOUSTIC SPACE otro tton ren 8 4 LOW FREQ FILTER sssssssssssecessssescoccccescccssessnssssnsnsenesessecs 9 5 HIGH FREQ FILTER ssssssssssssssssssscessssssescesecseceseesesesees 9 6 POWER etie tete etti 10 T Mains IBpUE esseen 10 8 Passive n FRONT PANEL DESCRIPTION 2 O Power ttr E term n 10 Power Ring and Overload Indicator 2 PROTECTION CIRCUITS 2 Overload Protect 1 Thermal Protect ooa ied urbi tpa M P epi 13 Integrated Magnetic Shielding 13 Input Signal Wiring 13 CLEANING ees 13 SERVICE INFO ittis Troubleshooting bd FU i 14 15 TECHNICAL INFORMATION 16 HR624 lt 16
7. bass reflex system or soak it up acoustic suspension system bass reflex system uses the rear radiation to extend the low frequency response Most systems provide holes ports in the front or back of the cabinet to release the rear wave Sometimes the holes have tubes ducts in them The dimensions of the holes and the volume of the cabinet work with the characteristics of the woofer to produce low frequency extension These systems are characterized by good low frequency performance down to the 8 dB frequency set by the design Below this frequency the frequency response falls at 24 dB octave or more The HR624 2 is a bass reflex 6th order system Rather than use ports the vent takes the form of a pas sive radiator a mass loaded flat piston coupled to the air trapped within the enclosure You can t see the passive radiator because it is located at the rear of the cabinet behind the power amplifier assembly e Simple ports or ducts must have sufficient surface area to prevent the velocity of the air within them from exceeding 526 of the speed of sound which keeps the vent from becoming audible breathing and wheezing sounds at high signal levels This requirement for sufficient surface area creates a design problem when using ports finding enough space in the enclosure for them to fit The passive radiator replaces the port found on most speaker systems It offers several advantages to simple porting e On
8. black gloss finish emphasizes that these studio monitors are in a class by themselves pleasing to the most discerning eye as well as the most discerning ear The result The HR624 MK2 Studio Monitors are extremely accurate and versatile loaded with unique con trols that allow you to fine tune the sound to match your individual environment precisely You re gonna love these What are they The Advantages The HR624 MK2 Studio Monitors are high resolution two way bi amplified active monitors employ ing a 6th order Butterworth system with a built in rear firing mass loaded passive radia tor Whew There are many benefits to integrat ing an active crossover power amplifiers and drivers into a single cabinet and we ve taken full advantage of these benefits in the design of the HR624 MK2 e The crossover point is designed so that the high and low frequency drivers are fed only the frequencies they are best able to reproduce e The amplifiers are designed to provide maximum acoustic output from the speakers yet minimize the danger of speaker damage due to overdriving e In addition the amplifiers gain and frequency re sponses are individually hand trimmed to compen sate for typical manufacturing tolerances between the drivers and produce a smooth frequency response from 45 Hz to 20 kHz e The connecting wires between the amplifier outputs and the drivers are kept to an absolute minimum so the damping factor of
9. into the preamp stage If it sounds bad there it s not the monitor Too much bass or not enough bass Move around the room and see if the bass response changes It s possible your listening position coincides with a room mode where the low frequencies either become exaggerated or nulled If so try moving the monitors to a different position or moving your listening position Noise Hum Buzz e Check the signal cable between the mixer and the monitor Make sure all connections are secure These problems usually produce crackling noises hum or buzz fconnecting an unbalanced output to the HR624 MK2 balanced input make sure the shield is connected to the unbalanced ground of the source and to pins 1 and 3 of the XLR or the sleeve and ring of the TRS jack e fa CATV cable is connected to the system try discon necting it If the hum goes away call your cable carrier to check for proper grounding of the cable Make sure the signal cable is not routed near AC cables power transformers or other EMI sources including wall warts and line lumps These sources usually produce hum e sthere alight dimmer or other triac based device on the same AC circuit as the monitor Dimmers cause buzzing noises Use an AC line filter or plug the monitor into a different AC circuit e Excessive hiss is an indication of an incorrect gain set ting somewhere before the speaker e If possible listen to the signal source with headphones
10. plugged in If it sounds noisy there it s not the monitor hear sound from the monitors after switch the AC power off e Use the front panel switch to turn the monitors on and off or turn off the signal going to the monitors when the power is turned off Repair For warranty service please refer to the warranty in formation on page 19 Non warranty service for Mackie products is avail able at a factory authorized service center To locate your nearest service center visit www mackie com click Support and select Locate a Service Center If you do not have access to our website please call our Tech Support department at 1 800 898 3211 normal business hours Pacific Time to explain the problem They will tell you where the nearest factory authorized service center is located in your area Service for Mackie products living outside the United States can be obtained through local dealers or distribu tors Need help with your new HR624 MK2 Visit www mackie com and click Support to find FAQs manuals and addendums Email us at techmail mackie com Telephone 1 800 898 3211 to speak with one of our splendid technical support representatives normal business hours PST Owner s Manual TECHNICAL INFORMATION HR624 MK2 Specifications Enclosure Amplifier Section Materials and Construction 3 4 inch 19 mm thick MDF cabinet construction with internal bracing to add to cabinet stif
11. to 120 for 120 VAC mains and to 240 for 220 240 VAC mains Owner s Manual 5 HR624 MK2 Feel free to experiment In many respects every room is unique in terms of its acoustics Even after you ve read about how to set the HR624 MK2 s rear panel switches try other settings to see if your particular room environment requires different adjustments And even after you ve placed your monitors where you think theyll sound best try moving them around You might be pleasantly surprised Finally keep an open mind about improving your room s acoustics and bass handling ability Nobody likes to buy a new set of monitor speakers and then be told that they should spend extra bucks on bass traps or a remodeling job But the simple fact is standard rooms i e rectangular rooms in convention al business or residential structures are rarely if ever conducive to optimal low bass reproduction without some modifications Luckily there are plenty of options short of building a new control room many of which are covered in this manual Additional Tidbits of Wisdom e When you shut down your equipment turn off the HR624 MK studio monitors first to prevent thumps and other noises generated by any upstream equipment from coming out the speakers When powering up turn on the monitors last e Save the shipping box You may need it someday and you don t want to have to pay for another one e Save your sa
12. you can look at the graphic instructions relating to each of them on the back of the cabinet or wait until you read about them later on in this manual so you really know what they do For now just leave them at the factory default settings ACOUSTIC SPACE WHOLE LOW FREQ 49Hz HIGH FREQ 0 except for the POWER MODE 6 switch Be sure it is set to the STANDBY position HR624 MK2 1 Connect the line level monitor signal from your mixer preamp or other signal source to the SIGNAL INPUT 1 jack on the HR624 MK2 Studio Monitor 14 inch PHONE XLR or RCA 2 Connect supplied AC power cord to the IEC socket 7 on the back of the monitor Plug the other end into an AC outlet properly configured with the voltage cor responding to the Voltage Selector Switch 11 setting 3 Set the POWER MODE 6 switch on the rear panel to the ON position With the front panel power switch 9 out the power amplifier is in Standby mode 4 Start your signal source tape deck CD DAW or whatever but leave the master volume control on your mixer or preamp down 5 Pushinthe power switch 9 on the front of the HR624 2 The power ring 10 around the switch will illumi nate 6 Slowly turn up the INPUT SENSITIVITY 2 control on the back of the monitor to its fully clockwise position NORMAL 7 Adjust the master volume on your mixer to a comfort ably loud listening level Enjoy the silky smooth highs and authoritative
13. 17 HR624 Block Diagram 18 Please write the serial number for your studio monitor here all studio monitors if you have more than one for future reference i e insurance claims tech support return authorization etc Monitor 2 Monitor 3 Date of Purchase Owner s Manual REAR PANEL DESCRIPTION This is where you connect your signal to the monitor and make adjustments to the frequency response of the speakers to match the monitor s location and your room s environment For THX applications the rear panel switches and controls should be set to the THX positions as indicated in this section 2 E gt 1 SIGNAL INPUTS The location of the signal input jacks makes the con nectors exit down and not straight out the back of the enclosure This flush mount design allows you to place the monitor right up against the wall if desired The XLR female TRS female balanced and RCA female unbalanced input connectors are provided for user convenience Don t connect more than one source to the jacks e Unbalanced TS tip sleeve lines can be accommodated via the TRS jack Make sure the cable terminates with a TS plug like a guitar plug or if it s a TRS plug such as a headphone plug make sure the ring is tied to the sleeve and that the plug is fully inserted into the jack The XLR and TRS input connectors accept balanced or unbalanced signals The conn
14. AC outlet is live check with a tester or lamp e 5 the power 9 switch on the front panel pushed in and the POWER MODE 6 switch on the rear panel in the ON position e 5 the power ring 10 on the front panel illuminated If not make sure the AC outlet is live If so refer to No Sound below e Ifthe power ring is not illuminated and you are certain that the AC outlet is live it will be necessary to have the HR624 MK serviced There are no user serviceable parts inside Refer to Repair at the end of this section to find out how to proceed No Sound e Is the power ring 10 on the front panel illuminated If not refer to No Power above e 5 INPUT SENSITIVITY 2 control turned up e 5 the signal source turned up Make sure the signal level from the mixing console or whatever device immedi ately precedes the studio monitor is high enough to produce sound e 105 a stereo pair try switching them around For example if a left output is presumed dead switch the left and right cords at the monitor end Ifthe problem switches sides it s not the monitor It could be a bad cable or no signal from the mixer HR624 MK2 Bad Sound e Is the input connector plugged completely into the jack If using a 1 4 TS or TRS plug make sure it is plugged all the way in e 5 loud and distorted Reduce the signal level at the mixer e If possible listen to the signal source with headphones plugged
15. THX PM APPROVED APPROVED HR624 MK2 High Resolution Active Studio Monitor OWNER S MANUAL um h IMPORTANT SAFETY INSTRUCTIONS Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near wafer Clean only with dry cloth Use a non scratch cloth to protect the finish dm C No Do not block any ventilation openings Install in accordance with the manufacturer s instructions 8 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 9 Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Use only with a cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combina
16. a pr sence d instructions importantes pour le fonctionnement et l entretien service dans le livret d instruction accompagnant l appareil 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 15 This apparatus shall not be exposed to dripping or splashing and no object filled with liquids such as vases shall be placed on the apparatus 16 Note that this apparatus is not completely disconnected from the AC mains service when the power switch is in the OFF position 17 The MAINS plug or an appliance coupler is used as the disconnect device so the disconnect device shall remain readily operable 18 Exposure to extremely high noise levels may cause permanent hearing loss Individuals vary considerably in susceptibility to noise induced hearing loss but nearly everyone will lose some hearing if exposed to sufficiently intense noise for a period of time The U S Government s Occupational Safety and Health Administration OSHA has specified the permissible noise level exposures shown in the following chart According to OSHA any exposure in excess of these
17. age of natural resources For more information about where you can drop off your waste equipment for recycling please contact your local city office waste authority or your household waste disposal service 2 HR624 MK2 INTRODUCTION Thank you for choosing the Mackie HR624 MK2 Studio Monitors We began producing the original HR624 Studio Monitors in 2001 the baby brother to our flagship HR824 Studio Monitors The HR624 MK2s have been redesigned with modern components for improved ac curacy and an extended low frequency response Investments in Excellence When we decided it was time to update the HR624s we turned to our expert loudspeaker and transducer de sign engineering team at EAW to determine how to make an already excellent studio monitor even better The first thing they noticed was that the front baffle could be redesigned with a rounder aluminum construction to further reduce edge diffraction for improved imag ing The volume of the cabinet was increased slightly to improve the low frequency response The amplifiers have been adjusted with all new voicing to match the new cabinets However the amplifiers design is fundamental ly the same and has a very similar characteristic to the original model If you are upgrading from the original HR624s you won t have to relearn the sound The MK2s still deliver the clarity ultra linear frequency response and broad stereo imaging of the originals elegant piano
18. atic mode Use this switch to set the HR624 25 to your preferred mode of operation and use the front panel power 9 switch for convenience e Inthe STANDBY position the power amplifiers are in Standby mode and produce no sound Low level circuitry is still active but the power consumption of the cir cuitry is minimal 12 watts e Flip the switch to the ON position and the power ampli fiers are live and operate normally The front panel power 9 switch must also be IN e When it s in the AUTO ON position the amplifiers turn on and off depending on the presence or absence of an input signal An input signal level of 74 dBu mini mum activates the auto on function A silent period greater than eight minutes activates the auto off func tion The power ring 10 on the front panel reflects the state of the amplifiers 7 Mains Input Connect the power cord to this IEC socket and plug the other end into your AC outlet When the POWER MODE 6 switch is in the ON position and the front panel power switch 9 is in the IN position applying AC power activates the muting circuit for about four seconds while the power supply and internal circuitry stabilize then the HR624 MK2 unmutes and is ready to go 8 Passive Radiator When you mount a loudspeaker in a box there are two things that you can do with the radiation from the rear of the cone use it to enhance the low frequency performance of the speaker system
19. d HF Detection Overall Compression Acoustic Section Graphs Free Field Frequency Response 1 5 dB 49 Hz to 20 kHz 3 dB 45 Hz 3 dB 22 kHz Sound Pressure Level at 1 meter 7 5 dBu into balanced input Maximum peak SPL per pair Lower cutoff frequency Upper cutoff frequency 100 dB SPL 1m 115 dB SPL 1m Maximum short term SPL on axis half space 80 Hz to 2 5 kHz 106 dB SPL Residual noise maximum gain 600 source 20 Hz 20 kHz bandwidth lt 8dBSPL 1m Rated Line Input Voltage and Power HR624 Acoustic Space Filter Response Ap wi 5 amp 4 amp b L b S 5 b b amp amp 5 amp 6 200 500 40k 20k Power consumption Standby mode 12 watts Quiescent idle 20 watts Musical Program Loud mix 105 watts Both channels driven into resistive loading to 1 clipping LF 86W 4Q HF 38W 8Q 255 watts US 120 VAC 60 Hz Europe 240 VAC 50 Hz Korea AC Power Selector at 240 V 220 VAC 60 Hz Japan AC Power Selector at 120 V 100 V 50 60 Hz Rated Power For UL 6500 CSA E65 94 EN 60065 130 watts Physical Properties Height 13 1 in 33 3 cm Width 8 6 in 21 9 cm Depth Enclosure 10 3 in 26 2 cm Depth Overall 12 6 in 31 9 cm Internal Volume 0 29 cubic feet 8 2 liters Weight 23
20. e primary advantage of a passive radiator is that it can reproduce low frequencies with lower distortion and at a higher sound pressure level SPL than a simple port or duct e Our unique passive radiator design uses a flat dia phragm providing exceptional stiffness to the radiating surface e The elliptical shape of the passive radiator takes up nearly the entire surface area available on the rear of the enclosure allowing the passive radiator to move more air than a port Passive Radiator Tweeter Woofer Owner s Manual m IHR624 2 FRONT PANEL DESCRIPTION 9 Power Switch Use this switch to turn on or off the HR624 MK2 from the front It works with the POWER MODE 6 switch on the rear panel in the following way e Ifthe POWER MODE switch on the rear panel is set to STANDBY the front panel power 9 switch has no effect The power 10 ring remains off e Ifthe POWER MODE switch is ON the front panel power switch turns the HR624 MK2 on or returns it to STANDBY mode as indicated by the power ring e Ifthe POWER MODE switch is in the AUTO ON posi tion the front panel power switch turns the HR624 MK2 on even when there is no signal present If there is no signal after about two minutes the auto off function is activated and the amplifiers go into Standby mode indicated when the power ring goes off 10 Power Ring and Overload Indicator The power ring around the power switch illuminates when the pow
21. ectors are wired as follows per the AES IEC standard XLR TRS RCA Hot Pin2 Tip Tip Cold Pin3 Ring Shield Ground Pin Shield Shield The HR624 MK2s can be used with a home receiver even if the receiver lacks a preamp output by using a speaker level to line level signal attenuator See page 13 for more information HR624 MK2 2 INPUT SENSITIVITY 10dB OFF NORMAL INPUT SENSITIVITY THX NORMAL The HR624 MK2 expects a line level signal at its input connectors The reference sensitivity is 77 5 dBu 100 dB SPL at one meter 39 inches with the INPUT SENSITIVITY control set to its NORMAL position in other words wide open e The HR624 MK2 is designed to operate with a 4 dBu signal when the INPUT SENSITIVITY control is in the NORMAL position e Refer to the QUICK START section on page 4 for the level setting procedure 3 ACOUSTIC SPACE QUARTER WHOLE NORMAL m HALF ACOUSTIC SPACE THX WHOLE NORMAL This is a three way switch that adjusts the low frequency response of the monitors to compensate for their place ment in the room See page 5 for an overview of the rear panel e Ifyou place the HR624 MK2 monitors against a wall half space 3B set the ACOUSTIC SPACE switch to the B position This activates a shelving filter to reduce the low frequency output by 2 dB to compensate for the half space placement e Ifyou place the monitors into the corners of y
22. er amplifiers are on and turns off when the amplifiers are in Standby mode or off The power ring turns red when the overload protec tion circuit has been triggered Occasional blinking of the overload indicator means that the loudest transients are reaching the maximum drive capability of the amplifiers This is okay although distortion may be audible Frequent or continuous blinking of the overload indica tor means that you have exceeded the maximum drive allowed for the speakers The amplifiers are clipping and the overload protection circuit has taken over re ducing the input level You should reduce the level from your signal source until the overload indicator blinks occasionally or not at all PROTECTION CIRCUITS There are a number of protection mechanisms de signed into the HR624 MK2 to safeguard the loudspeak ers from inadvertent damage CAUTION The protection circuits are designed to prevent damage to the loudspeakers under reasonable and sensible conditions Should you choose to ignore the warning signs 1 frequent overload indications excessive distortion you can still damage the speakers in the HR624 MK2 by overdriving them Such damage is beyond the scope of the warranty n HR624 MK2 Overload Protect e Ifyou see the overload indicator 10 blinking more than just occasionally it s an indication that you should reduce the signal level coming from your mixer or other signal source
23. erall output level somewhat Low frequency information requires the largest amount of an amplifier s output so restricting the low frequency content allows raising the mid frequency level some what If your client insists on mixing LOUD this may be a workable strategy 5 HIGH FREQ FILTER 248 0 NORMAL 2dB HIGH FREQ FILTER THX 0 dB The HIGH FREQ FILTER switch tailors the overall high frequency response by 2 dB beginning at 10kHz Leave this switch in the 0 NORMAL position unless e You want to subtly brighten or darken the sound of the speakers e Perhaps you have hearing loss caused by too many nights in front of a double Marshall stack e You just like to mix on the bright side or dull side If your mixes consistently sound dull or dark when you listen elsewhere this usually indicates that your monitors are too bright relative to your normal hearing A bit less high frequency energy usually fixes this and you can force the mix in this direction by reducing the high frequency output of the monitors by using the 2 dB position of the switch Oo O O O CD 10dB QUARTER WHOLE NORMAL mm m OFF NORMAL 80Hz Hz 2dB 0 2dB STANDBY ON LOWCUT NORMAL NORMAL AUTO o wm T INPUT ACOUSTIC LOW HIGH POWER SENSITIVITY SPACE FREQ FILTER FREQ FILTER MODE CD M SIGNALINPUTS BAL UNBAL qp MAINS INPUT a 0 E 2 ED 5 v 5 Owner
24. fness Piano black gloss finish Die cast aluminum exponential wave guide for controlled wide dispersion from high frequency driver and Zero Edge Baffle to minimize diffraction around the cabinet edges Open cell adiabatic foam fill acoustical damping material ab sorbs internal reflections preventing delayed sound coloration Flush mount connector system allows monitor to be placed against a wall without need for connector clearance Transducers Low frequency driver Diameter 6 7 inches 170mm Sensitivity 2 83V 1 m 89 dB SPL Nominal Impedance 4Q Voice Coil Diameter 1 25 inches 32mm Power Handling Long Term Program 50 150 watts Frequency Range 45 Hz to 6 kHz Frame Die cast magnesium Magnet Ferrite Fully shielded Ferrite opposing magnet High frequency driver Sensitivity 2 83V 1m 91 dB SPL Nominal Impedance Power Handling Long Term Program 20 50 watts Frequency Range 1 6 kHz to 22 kHz Diaphragm Suspension Titanium with polymer suspension Voice Coil Diameter 1 0 inch 25 4mm Magnet Neodymium Bucking Magnet Ferrite opposing magnet Passive Radiator 6 inch x 9 inch 152mm x 228mm mass loaded elliptical flat piston with variable thickness filleted edge rubber surround Crossover Section Crossover Type Modified Linkwitz Riley 24 dB octave 3 kHz HR624 MK2 Low frequency power amplifier Rated Power at 1 kHz with 1 THD 100 watts Rated Load Impedance 4
25. for this product please visit www mackie com warranty The Product Warranty together with your invoice or receipt and the terms and conditions located at www mackie com warranty constitutes the entire agreement and supersedes any and all prior agreements between LOUD and Customer related to the subject matter hereof No amendment modification or waiver of any of the provisions of this Product Warranty will be valid unless set forth in a written instrument signed by the party to be bound thereby Owner s Manual MACKIE e 16220 Wood Red Road NE Woodinville WA 98072 USA United States and Canada 800 898 3211 Europe Asia Central and South America 425 487 4333 Middle East and Africa 31 20 654 4000 Fax 425 487 4337 www mackie com E mail sales mackie com
26. l adiabatic foam material fills the inside of the box to absorb inter nal reflections and dampen standing waves Mounting hardware is installed on the bottom of the cabinet that fits the WB 60 OmniMount wall mount bracket Power Amplifiers The low frequency amplifier produces up to 100 watts continuous before clipping while the high frequency amplifier produces up to 40 watts continuous QUICK START We realize that you can t wait to hook up your new Mackie HR624 MK2 High Resolution Studio Monitors and try them out Nevertheless please take the time to read this page NOW and the rest can wait until you re good and ready Make sure the Voltage Selector Switch 11 on the bottom of the cabinet is set to the correct voltage setting for your AC Mains supply 2 E gt Each of the HR624 MK2 cabinets has its own built in power amplifiers That s right two amplifiers per speaker cabinet one for the high frequency tweeter and one for the low frequency woofer You should turn the INPUT SENSITIVITY 2 control on the back of the cabinet down fully counterclockwise before turning on the Studio Monitors for the first time Also be sure to set the power switch 9 on the front panel to its standby position out This will prevent you from acci dentally connecting a hot signal source to the monitors and getting a rude surprise There are a number of other settings you can make on the back of the HR624 MK2 and
27. les receipt in a safe place e Also record all HR624 MK2 serial numbers in the space provided on the next page along with where and when you bought them L6 HR624 MK2 Placement The HR624 MK2s were designed to be placed in a vertical position If you find it necessary to place the speakers in a horizontal position on their sides place them so that the woofers are toward the inside that is so the woofers are closest to each other This provides the best low frequency summing and overall imaging The HR624 25 can also be wall mounted using the mounting hardware located on the bottom of the cabi net This is designed to be used with the OmniMount 30 0 WB Wall to Bottom wall mount bracket which provides a wide range of horizontal and vertical move ment to meet your coverage requirements Refer to the OmniMount website for more details www omnimount com pro A Few Words About THX pm3 Certification Nearly two decades ago George Lucas turned a passion for great sound into the world s most accepted and trusted solution for achieving it The standard was named THX for Tomlinson Holman who developed the THX Sound System when he was the research and technical director at Lucasfilm Ltd in the early 80s and today with hundreds of thousands of home theater customers and more than 3000 THX Certified movie the aters enjoying its benefits the THX name has become nothing short of legendary Simply put
28. ohms Rated THD 1W to 1 dB of rated power 0 1 96 Slew Rate 15V nS Distortion THD SMPTE IMD DIM 100 0 03596 Signal to Noise 20Hz 20kHz unweighted referenced to 100W into 4Q gt 101 dB Cooling Convection Design Monolithic IC Class AB Parametric Servo Feedback High frequency power amplifier Rated Power at 1 kHz with 196 THD 40 watts Rated Load Impedance 6 ohms Rated THD 1W to 1 dB of rated power 0 1 96 Slew Rate 15V nS Distortion THD SMPTE IMD DIM 100 0 03596 Signal to Noise 20 Hz 20 kHz unweighted referenced to 40 W into 89 gt 93 dB Cooling Convection Design Monolithic IC Conventional Class AB System Specifications Input Type Balanced Differential XLR and 1 4 TRS Unbalanced RCA Input Impedance 20 kQ Balanced 10 KQ Unbalanced Input Protection RFI and Level Protected Maximum Input Level 20 dBu Low Frequency Filter 80 Hz 2nd Order Butterworth HF Equalization Shelving 2 dB 10 kHz Acoustic Space A position 4 dB 50 Hz shelving B position 2 dB 50 Hz shelving C position Flat Compressor Independent high and low frequency overload detection Enclosure Alignment 6th Order Over Excursion Prevention 2nd Order High Pass Filter Low Line Voltage Shut Down 60 of Nominal Line Thermal Protection Amplifier Shut Down Auto Reset Muting 5 seconds at turn on Signal Sense Threshold 74 dBu 0 155 mV Driver Protection Independent LF an
29. our room quarter space 3A the low frequency output approximately doubles from what it is in half space Set the ACOUSTIC SPACE switch to the A position to reduce the low frequency output by 4 dB to compensate for the quarter space placement e Ifyou use the HR624 free standing away from walls and corners whole space 3C set the ACOUS TIC SPACE switch to the C position NORMAL 4 LOW FREQ FILTER 80Hz 49Hz LOW CUT NORMAL LOW FREQ FILTER THX 80Hz The LOW FREQ FILTER switch inserts a low frequen cy rolloff into the response curve e For some applications the low frequency output of the HR624 MK2 may impair your ability to make mix judge ments e For THX applications use the 80Hz setting e For non THX applications where a sub woofer isn t en hancing low frequency output use the 49Hz NORMAL position The LOW FREQ switch affects the low frequency con tent of your mix Remember how things work in reverse so removing the deep bass content on playback may actually increase it in the final mix e You can use the LOW FREQ switch s 80Hz position to simulate a smaller loudspeaker especially one with limited low frequency capability like a certain popular 2 way nearfield monitor You may need to do this if a small speaker is the eventual destination of your mix or perhaps just to see how your mix sounds on a clock radio Removing the low frequency content also allows you to raise the ov
30. p your sales receipt in a safe place This Limited Product Warranty Product Warranty is provided by LOUD Technologies Inc LOUD and is applicable to products purchased in the United States or Canada through a LOUD authorized reseller or dealer The Product Warranty will not extend to anyone other than the original purchaser of the product hereinafter Customer you or your For products purchased outside the U S or Canada please visit www mackie com warranty to find contact information for your local distributor and information on any warranty coverage provided by the distributor in your local market LOUD warrants to Customer that the product will be free from defects in materials and workmanship under normal use during the Warranty Period If the product fails to conform to the warranty then LOUD or its authorized service representative will at its option either repair or replace any such nonconforming product provided that Customer gives notice of the noncompliance within the Warranty Period to the Company at www mackie com support or by calling LOUD technical support at 1 800 898 3211 toll free in the U S and Canada during normal business hours Pacific Time excluding weekends or LOUD holidays Please retain the original dated sales receipt as evidence of the date of purchase You will need it to obtain any warranty service For full terms and conditions as well as the specific duration of the Warranty
31. permissible limits could result in some hearing loss To ensure against potentially danger ous exposure to high sound pressure levels it is recommended that all persons exposed to equipment capable of producing high sound pres sure levels use hearing protectors while the equipment is in operation Ear plugs or protectors in the ear canals or over the ears must be worn when operating the equipment in order to prevent permanent hearing loss if exposure is in excess of the limits set forth here Duration Sound Level Typical Example E dayin dBA Slow 005 Response Duo in small club ubway Train 3 Very loud classical music Dave screaming at Steve about eadlines a Loudest parts at a rock concert WARNING To reduce the risk of fire or electric shock do not expose this apparatus to rain or moisture Correct disposal of this product This symbol indicates that this product should not be disposed of with your household waste according to the WEEE Directive 2002 96 EC and your national law This product should be handed over to an authorized collection site for recycling waste electrical and electronic equipment EEE Improper handling of this type of waste could have a possible negative impact on the environment and human health due to potentially hazardous substances that are generally associated with EEE At the same time your cooperation in the correct disposal of this product will contribute to the effective us
32. s Manual HR624 MK2 Conversely if your mixes are consistently too bright then adding some additional high frequency energy in the monitors satisfies your ears and the resultant mix has less HF content The timbre of your monitors affects the way that your mixes play on other equipment Remember that the moni tors have a mirroring effect on the mix if the monitors make something too loud in the mix it usually results in not enough of that thing on tape Start with the response modification switches in the factory recommended settings see Quick Start Sec tion After prolonged listening if you notice a trend in your mixes perhaps making some small adjustments as suggested here will help It s a real rush to mix really loud But remember that the resulting mix only sounds good when you play it at least that loud However strange it may sound mixes made at lower levels sound even better when played loud perhaps even a bit bigger than life Get that sound level meter out Decide what level you re going to mix at and use the meter to help keep your mixing at that level Your ears will thank you and your mixes will be better for it MACKIE HR624H 1218 ACOUSTIC SPACE APPLICATIONS Tr CAUTION 7 Vi am HR624 MK2 6 POWER MODE AUTO ON POWER MODE This 3 position switch turns the amplifiers on or off or sets them to autom
33. tenuator between the receiver s speaker output and the HR624 MK2 s input Your Mackie dealer may be able to help you find one or you can build your own CARE AND CLEANING Remove the protective plastic film that encases the cabinet Note You may leave the protective plastic film on the cabinet if you wish or you can remove all but the side that will be in contact with the surface it is sitting on to protect the finish Also you should save the protective plastic film to reapply to the cabinet in case you need to move it to another location or return for servicing The piano black finish on the HR624 MK2 cabinets is exceedingly beautiful yet extremely delicate Clean the outside of the cabinet with an optical grade non scratch cloth such as you would use to clean eyeglasses CDs or DVDs 2 E gt Owner s Manual SERVICE INFO If you think your Mackie product has a problem please check out the following troubleshooting tips and do your best to confirm the problem Visit the Support section of our website www mackie com support where you will find lots of useful information such as FAQs and documentation You may find the answer to the problem without having to send your Mackie prod uct away Troubleshooting No Power Our favorite question Is it plugged in e Make sure the power cord is securely seated in the IEC socket 7 and plugged all the way into the AC outlet e Make sure the
34. the amplifier isn t compro mised by the resistance of long speaker cables e The acoustic sum of the outputs from the two driv ers are optimized electronically as well as physi cally so the amplitude response is unity and the phase difference is minimal In short all the complex interconnected components in the system are designed to work in harmony with each other to produce the best possible sound The Transducers The monitors feature a 6 7 inch high precision low distortion woofer and 1 inch ferrofluid cooled titanium dome tweeter on the front and a 6 inch x 9 inch ellipti cal flat piston passive radiator in the back The high frequency driver is mounted on a massive acoustically non resonant die cast aluminum expo nential waveguide which results in wide controlled dispersion of high frequency sounds The unique pas sive radiator design provides a smooth response down to 45 Hz an astounding accomplishment for a cabinet of this size And since the radiator is producing most of the sound at the lowest frequencies there is very little distortion from the woofer because its cone movement is minimal at those frequencies Passive Radiator Power Amplifier Crossover Assembly Figure 1 HR624 MK2 Cutaway side view Owner s Manual 3 The Cabinet The cabinet is made of MDF with a high gloss piano black finish Internal bracing increases the strength and rigidity stiffness of the box An open cel
35. tion to avoid injury from tip over PORTABLE CART WARNING CAUTION AVIS RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR AN CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL ATTENTION POUR EVITER LES RISQUES DE CHOC ELECTRIQUE NE PAS ENLEVER LE COUVERCLE AUCUN ENTRETIEN DE PIECES INTERIEURES PAR L USAGER CONFIER L ENTRETIEN AU PERSONNEL QUALIFIE AVIS POUR EVITER LES RISQUES D INCENDIE OU D ELECTROCUTION N EXPOSEZ PAS CET ARTICLE ALA PLUIE OU A L HUMIDITE The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons Le symbole clair avec point de fl che l int rieur d un triangle quilat ral est utilis pour alerter l utilisateur de la pr sence l int rieur du coffret de voltage dangereux non isol d ampleur suffisante pour constituer un risque d l ctrocution The exclamation point within an equilateral triangle is intended to alert the user of the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance Le point d exclamation l int rieur d un triangle quilat ral est employ pour alerter les utilisateurs de l
36. to the environment and playing havoc with computer monitors or TV screens Unshielded speakers can cause distortion in both the shape and color of the picture if placed too close to a CRT cathode ray tube If you have a particularly sensitive computer monitor or TV screen it may be necessary to move the speakers a few inches away Input Signal Wiring You should use high quality shielded cable to connect the signal source to the SIGNAL INPUT jack 1 on the HR624 MK2 e Foil shielded cables such as Belden 8451 8761 or 9501 are commonly used for studio wiring Microphone cables work well The better the shield the better the immunity from externally induced noise like EMI and Route the cable away from AC power cords and outlets These are common sources for hum in an audio signal Wall warts and line lumps are especially insidious hum inducers You can purchase quality cables from your Mackie dealer ncertain home theater applications it may be nec essary to connect the speaker outputs from a stereo receiver to the inputs of the HR624 MK2s if the receiver doesn t have preamp outputs or other line level output connections CAUTION Do not attempt to con nect a speaker output directly to the input of the HR624 MK2 Speaker levels are much higher than line lev els and can damage the input circuitry in the HR624 MK2 2 E gt You can however insert a speaker level to line level signal at
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