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HR624 MK2
High Resolution Active Studio Monitor
OWNER’S MANUAL
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IMPORTANT SAFETY INSTRUCTIONS 1. Read these instructions. 13. Unplug this apparatus during lightning storms or when unused for long periods of time. 2. Keep these instructions. 14. Refer all servicing to qualified service personnel. Servicing is required 3. Heed all warnings. when the apparatus has been damaged in any way, such as power- 4. Follow all instructions. supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been expose
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Owner’s Manual • The amplifiers are designed to provide maximum acoustic output from the speakers, yet minimize INTRODUCTION the danger of speaker damage due to overdriving. • In addition, the amplifiers’ gain and frequency Thank you for choosing the Mackie HR624 MK2 Studio responses are individually hand-trimmed to Monitors. We began producing the original HR624 compensate for typical manufacturing tolerances Studio Monitors in 2001, the baby brother to our flagship between the dr
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1. Connect the line-level monitor signal from your mixer, The Cabinet... preamp, or other signal source to the SIGNAL INPUT [1] jack on the HR624 MK2 Studio Monitor (1⁄4-inch The cabinet is made of MDF with a high-gloss piano- PHONE, XLR, or RCA). black finish. Internal bracing increases the strength and 2. Connect the supplied AC power cord to the IEC socket rigidity (stiffness) of the box. An open-cell adiabatic [7] on the back of the monitor. Plug the other end into foam material fills
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Owner’s Manual 120 QUARTER SPACE HALF SPACE WHOLE SPACE CONSOLE CONSOLE CONSOLE SPEAKERS AWAY SPEAKERS IN CORNERS SPEAKERS AGAINST WALL FROM WALLS A B C ACOUSTIC SPACE APPLICATIONS 10kHz LOW CUT 0dB +2dB 0dB –2dB 3dB 0dB – 4dB – –2dB 49Hz 80Hz 20 100Hz LOW FREQ ACOUSTIC SPACE HIGH FREQ WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. DO NOT REMOVE COVER. RISK OF ELECTRIC SHOCK NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFI
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Feel free to experiment. Placement In many respects, every room is unique in terms of its The HR624 MK2s were designed to be placed in a acoustics. vertical position. If you find it necessary to place the speakers in a horizontal position (on their sides), place Even after you’ve read about how to set the HR624 them so that the woofers are toward the inside; that is, MK2’s rear panel switches, try other settings to see if so the woofers are closest to each other. This provides your partic
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Owner’s Manual A Few Words About THX™ pm3™ Contents Certification Nearly two decades ago, George Lucas turned a IMPORTANT SAFETY INSTRUCTIONS ........... 2 passion for great sound into the world’s most accepted INTRODUCTION.................................................. 3 and trusted solution for achieving it. The standard was named THX (for Tomlinson Holman, who developed QUICK START ........................................................................... 4 the THX Sound System when
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REAR PANEL DESCRIPTION This is where you connect your signal to the monitor, 2. INPUT SENSITIVITY and make adjustments to the frequency response of –10dB QUARTER WHOLE (NORMAL) the speakers to match the monitor’s location and your A C room’s environment. For THX applications, the rear panel OFF NORMAL –2dB 0 +2dB 80Hz 49Hz STANDBY ON switches and controls should be set B LOW CUT (NORMAL) (NORMAL) AUTO HALF to the THX positions as indicated in ON INPUT ACOUSTIC LOW HIGH POWER this section.
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Owner’s Manual Removing the low-frequency content also allows 4. LOW FREQ FILTER –10dB QUARTER WHOLE (NORMAL) you to raise the overall output level somewhat. Low- A C frequency information requires the largest amount of an amplifier’s output, so restricting the low-frequency OFF NORMAL 80Hz 49Hz –2dB 0 +2dB STANDBY content allows raising the mid-frequency level ON B LOW CUT (NORMAL) (NORMAL) AUTO somewhat. If your client insists on mixing LOUD, this HALF ON may be a workable strategy. INPU
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Conversely, if your mixes are consistently too bright, 6. POWER MODE –10dB QUARTER WHOLE (NORMAL) then adding some additional high-frequency energy in A C the monitors satisfies your ears, and the resultant mix has less HF content. + OFF NORMAL 80Hz 49Hz –2dB 0 2dB STANDBY ON B The timbre of your monitors affects LOW CUT (NORMAL) (NORMAL) AUTO HALF ON the way that your mixes play on other INPUT ACOUSTIC LOW HIGH POWER equipment. Remember that the SENSITIVITY SPACE FREQ FILTER FREQ FILTER
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Owner’s Manual • Simple ports or ducts must have sufficient surface 7. Mains Input area to prevent the velocity of the air within them from exceeding 5% of the speed of sound, which keeps the Connect the power cord to this IEC socket, and plug vent from becoming audible (breathing and wheezing the other end into your AC outlet. sounds) at high signal levels. • When the POWER MODE [6] switch is in the ON • This requirement for sufficient surface area creates a p osition (and the front pan
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FRONT PANEL DESCRIPTION 9. Power Switch –10dB QUARTER WHOLE (NORMAL) Use this switch to turn on or off the HR624 MK2 from A C the front. It works with the POWER MODE [6] switch on the rear panel in the following way: –2dB 0 +2dB OFF NORMAL 80Hz 49Hz STANDBY ON B • If the POWER MODE switch on the rear panel is set LOW CUT (NORMAL) (NORMAL) AUTO HALF to STANDBY, the front panel power [9] switch has no ON INPUT ACOUSTIC LOW HIGH POWER effect. The power [10] ring remains off. SENSITIVITY SPACE FR
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Owner’s Manual Thermal Protect CARE AND CLEANING All amplifiers produce heat. The HR624 MK2 is Remove the protective plastic film that encases the designed to be efficient both electrically and thermally. cabinet. • If for some reason the heatsinks get too hot, a thermal Note: You may leave the protective switch activates, placing the HR624 MK2 into Standby plastic film on the cabinet if you mode (indicated when the power ring [10] turns off). wish, or you can remove all but the • Shoul
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Bad Sound SERVICE INFO • Is the input connector plugged completely into the 1 jack? If using a ⁄4" TS or TRS plug, make sure it is If you think your Mackie product has a problem, plugged all the way in. please check out the following troubleshooting tips and • Is it loud and distorted? Reduce the signal level at the do your best to confirm the problem. Visit the Support mixer. section of our website (www.mackie.com/support) where you will find lots of useful information such as • If poss
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Owner’s Manual Repair For warranty service, please refer to the warranty information on page 19. Non-warranty service for Mackie products is available 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
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TECHNICAL INFORMATION HR624 MK2 Specifications Enclosure Amplifier Section Materials and Construction: Low-frequency power amplifier 3 ⁄4-inch (19 mm) thick MDF cabinet construction with internal Rated Power (at 1 kHz with 1% THD): bracing to add to cabinet stiffness. 100 watts Rated Load Impedance: 4 ohms Piano-black gloss finish. Rated THD (1W to –1 dB of rated power): Die-cast aluminum exponential wave guide for controlled, wide 0.1 % dispersion from high-frequency driver
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Owner’s Manual Graphs Acoustic Section HR624 Acoustic Space Filter Response +10 Free-Field Frequency Response: +9 +8 ±1.5 dB, 49 Hz to 20 kHz +7 +6 Lower cutoff frequency: –3 dB @ 45 Hz +5 +4 Upper cutoff frequency: –3 dB @ 22 kHz +3 +2 Sound Pressure Level at 1 meter, +1 –7.5 dBu into balanced input: 100 dB SPL @ 1m dBu -0 -1 Maximum peak SPL per pair: 115 dB SPL @ 1m -2 -3 Maximum short term SPL on axis, -4 half space 80 Hz to 2.5 kHz: 106 dB SPL @ 1m -5 -6 Residual noise (maximum gain
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HR624 MK2 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 LOW AC POWER RING VOLTS SENSE (POWER = WHITE OVERLOAD = RED) POWER SWITCH (FRONT PANEL) HF TRANSDUCER HI-FREQUENCY HF OUT UNBALANCED HI-FREQUENCY THERMAL MODELER DRIVER HF OUT LINE POWER AMPLIFIER HIGH FREQ. INPUT CROSSOVER +2 dB HI-FREQ 2 1 TWEET 0 COMPRESSOR LO-FREQ 3 –2 dB BALANCED SENSITIVITY LINE INPUTS SENSITIVE MUTE LF TRANSDUCER LF OUT
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Owner’s Manual Mackie Limited W arranty Please keep 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, ple
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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
