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HR824
HIGH RESOLUTION
ACTIVE STUDIO MONITOR
OWNER’S MANUAL
OL
PWR
ON
HIGH RESOLUTION
STUDIO MONITOR
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9. Power Cord Protection — Power supply cords should be CAUTION AVIS routed so that they are not likely to be walked upon or RISK OF ELECTRIC SHOCK pinched by items placed upon or against them, paying DO NOT OPEN particular attention to cords at plugs, convenience receptacles, RISQUE DE CHOC ELECTRIQUE and the point where they exit this Mackie product. NE PAS OUVRIR CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK 10. Object and Liquid Entry — Care should be taken so that DO NOT REMOVE COVER (O
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INTRODUCTION In short, all the complex interconnected Thank you for choosing Mackie Designs’ components in the system are designed to work HR824 Studio Monitors. We realize that monitors in harmony with each other to produce the best are a critically important tool whether your appli- possible sound. cation is studio recording, audio/video post production, hi-fi, or home theater. Knowing this, The Transducers... Greg Mackie had a simple mandate: Design a refer- The monitors feature an 8.75-inch
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OL PWR ON HIGH RESOLUTION STUDIO MONITOR QUICK START. We realize that you can’t 1. Connect the line-level monitor signal from wait to hook up your new your mixer (or other signal source) to the SIGNAL INPUT jack on the HR824 Mackie Designs HR824 1 Studio Monitor ( ⁄4-inch TRS, XLR, or RCA). High Resolution Studio Monitors and try them out. 2. Connect the supplied AC power cord to the Nevertheless, please take the time to read this IEC socket on the back of the monitor. page NOW, and the rest
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ACOUSTIC SPACE APPLICATIONS QUARTER SPACE HALF SPACE WHOLE SPACE CONSOLE CONSOLE CONSOLE SPEAKERS IN CORNERS SPEAKERS AGAINST WALL SPEAKERS AWAY FROM WALLS A B C LOW CUT LOW CUT 10kHz 24dB/oct BUTTERWORTH 0dB +2dB 0dB –2dB 3dB 0dB – 4dB – 2dB – 37Hz 47Hz 80Hz 20 100Hz LOW FREQ ACOUSTIC SPACE HIGH FREQ. • USE 80Hz TO EMULATE SMALL SPEAKER ROOM COMPENSATION • 0dB (START HERE) GUARANTEED FLAT USE FOR MOST APPLICATIONS • USE 47Hz FOR NORMAL LF PERFORMANCE + • 2dB: USE IF YOUR MIXES TRANSLATE BRI
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OL PWR ON HIGH RESOLUTION STUDIO MONITOR OFF AN EXTREMELY IMPORTANT NOTE ON HR824 BASS RESPONSE AND YOUR CONTROL ROOM. Additional Tidbits of Wisdom Your new HR824s achieve their best bass response in • When you shut down your equipment, turn a room that’s optimized for off the HR824 studio monitors first to bass reproduction. A lot of prevent thumps and other noises generated factors can conspire to by any upstream equipment from coming thwart the HR824s’ extended low frequency — out the speaker
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® A Few Words About THX pm3™ CONTENTS Certification INTRODUCTION ........................................... 3 Nearly two decades ago, George Lucas QUICK START .............................................. 4 turned a passion for great sound into the REAR PANEL DESCRIPTION ........................... 8 world’s most accepted and trusted solution for SIGNAL INPUTS .................................... 8 achieving it. The standard was named THX INPUT SENSITIVITY ...............................
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REAR PANEL DESCRIPTION This is where you connect your signal to the INPUT SENSITIVITY monitor, and make adjustments to the frequency response of the speakers to match the monitor’s 10dB – location and your room’s environment. OFF NORMAL SIGNAL INPUTS The location of the signal input jacks makes INPUT SENSITIVITY the connectors exit down and not straight out the back of the enclosure. This flush-mount de- The HR824 expects a line-level signal at its sign allows you to place the monitor right
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LOW FREQ 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 somewhat. If your client insists on mixing LOUD, this may be 80Hz 47Hz 37Hz LOW CUT ( ) NORMAL a workable strategy. LOW FREQ HIGH FREQ The LOW FREQ switch inserts a steep low- frequency rolloff into the response curve. • For many applications, the low-frequency output of the HR824 may impair your ability –2dB 0 +2dB (
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Conversely, if your mixes are consistently Get that sound level meter out. Decide what too bright, then adding some additional high level you’re going to mix at and use the meter frequency energy in the monitors satisfies your to help keep your mixing at that level. Your ears, and the resultant mix has less HF content. ears will thank you, and your mixes will be better for it. The timbre of your monitors POWER MODE affects the way that your mixes play on other equip- ment. Remember that the mon
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input signal level of –45 dBu (minimum) The HR824 is a bass reflex 6th-order system. activates the auto-on function. A silent Rather than use ports, the vent takes the form period greater than five minutes activates of a passive radiator, a mass-loaded flat piston the auto-off function. The red PWR LED coupled to the air trapped within the enclo- on the front panel reflects the state of the sure. You can’t see the passive radiator because amplifiers. it is located at the rear of the cabinet, be
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FRONT PANEL DESCRIPTION Power Switch Use this switch to turn on or off the HR824 OL from the front. It works with the POWER PWR MODE switch on the rear panel in the following way: ON • If the POWER MODE switch on the rear panel is set to STANDBY, the front panel power switch has no effect. The PWR LED remains off. • If the POWER MODE switch is ON, the front panel power switch turns the HR824 on or returns it to STANDBY mode, as indicated by the PWR LED. • If the POWER MODE switch is in the
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Thermal Protect INPUT SIGNAL WIRING All amplifiers produce heat. The HR824 is You should use high-quality, shielded cable designed to be efficient both electrically and ther- to connect the signal source to the SIGNAL mally. INPUT jack on the HR824. • If for some reason the heatsinks get too hot, • Foil shielded cables, such as Belden 8451, a thermal switch activates, placing the 8761, or 9501 are commonly used for studio HR824 into Standby mode (indicated when wiring. the red PWR LED turns o
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Service Info Details concerning Warranty Service are • If it’s a stereo pair, try switching them spelled out on the Warranty Card included with around. For example, if a left output is your monitor (if it’s missing, let us know and presumed dead, switch the left and right we’ll rush one to you). cords at the monitor end. If the problem If you think your monitor has a problem, switches sides, it’s not the monitor. It could please do everything you can to confirm it before be a bad cable, or no si
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1. Review the preceding troubleshooting • Make sure the signal cable is not routed near AC cables, power transformers, or suggestions. Please. other EMI sources (including wall warts 2. Call Tech Support at 1-800-258-6883, 7 am and line lumps!). These sources usually to 5 pm PST, to explain the problem and produce hum. request an RA (Return Authorization) number. Have your monitor’s serial • Is there a light dimmer or other triac-based number(s) ready. You must have an RA (SCR) device on the sam
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Technical Information HR824 Block Diagram +15VDC POWER MODE SWITCH ON MUTE V AUTO ref ON/OFF MUTE STANDBY HIGH = MUTE OFF CONTROL LOW = MUTE ON SIGNAL THERMAL SENSE SWITCH PWR LOW AC LED VOLTS SENSE POWER SWITCH (FRONT PANEL) OVERLOAD LED CLIP SENSE CLIP SENSE CIRCUIT TO CLIP SENSE HF TRANSDUCER HI-FREQUENCY HF OUT HI-FREQUENCY UNBALANCED THERMAL MODELER DRIVER HF OUT LINE POWER AMPLIFIER HIGH FREQ. INPUT CROSSOVER +2 dB HI-FREQ 2 TWEET 1 0 COMPRESSOR LO-FREQ 3 –2 dB BALANCED SENSITIVITY LINE IN
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Crossover Section Acoustic Section: Crossover Type: Free-Field Frequency Response: Modified Linkwitz-Riley, 24 dB/octave @ 1800Hz ±1.5 dB, 39Hz to 20kHz Input Impedance: Lower cutoff frequency: –3 dB @ 37Hz 20kΩ , balanced bridging Upper cutoff frequency: –3 dB @ 22kHz Compressor: Sound Pressure Level at 1 meter, Independent high and low frequency overload detection –7.5 dBu into balanced input: 100 dB SPL @ 1m Acoustic Space Equalization: Maximum peak SPL per pair: ≥ 120 dB SPL @ 1m A position:
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Graphs HR824 Acoustic Space Filter Response ® +5 +4 +3 +2 +1 -0 -1 -2 -3 -4 d B -5 u -6 -7 -8 -9 -10 -11 -12 -13 -14 -15 10 20 50 100 200 500 1k 2k 5k 10k 20k Hz HR824 High Frequency EQ Filter Response ® +5 +4 +3 +2 +1 -0 -1 -2 -3 -4 d B -5 u -6 -7 -8 -9 -10 -11 -12 -13 -14 -15 10 20 50 100 200 500 1k 2k 5k 10k 20k Hz HR824 Low Frequency Filter Response ® +5 +3 +1 -1 -3 -5 -7 -9 -11 -13 -15 -17 d -19 B -21 u -23 -25 -27 -29 -31 -33 -35 -37 -39 -41 -43 -45 10 20 30 40 50 60 70 80 90 100 200 Hz 18
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COLOPHON This page originally contained an additional The text is a compilation based on input appendix which clearly and succinctly set forth from a number of sources, including distinguished the five simple steps to attaining perfection in design engineers Mats Jarlstrom and Cal every part of your life, especially miking drums Perkins, acoustic engineers David Bie and and editing WIN.INI files…along with several Terry Wetherbee, Mackie’s celebrated cerebral surefire methods for becoming incred
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Some of the Some of the people at our people at our ® W Woodinville, oodinville, Washington factory Washington factory who helped who helped design, build, sell design, build, sell,, and support your and support your product. product. ® ™ ® Mackie Designs Inc. Mackie Designs Inc. 16220 Wood-Red Rd. NE • Woodinville, WA 98072 • USA 800/898-3211 • Outside the US: 425/487-4333 Fax: 425/487-4337 • www.mackie.com E-mail: sales@mackie.com
