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Mackie HR624 mk2 Powered Studio Monitor with 6" Woofer (single) (Demo)

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$399.99 $599.99

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The one-piece cast aluminum Zero Edge Baffle™ features precisely engineered curvature that minimizes diffraction for a crystal clear image of your mix, and effectively controls sound waves so you get detailed lows, full, articulate mids, and shimmering highs.


The HRmk2 Series monitors contain separate onboard amplifiers for each driver, plus onboard active crossovers and time-correction circuitry, which helps ensure highs and lows reach your ears at the same time. The HRmk2s also have protection circuitry built in to protect from damaging input levels. 


We go to elaborate lengths to ensure each HRmk2 sounds as good as our experts intended. Each one we manufacture is subject to rigorous testing and pre-screening during the production process, then calibrated and tuned with an environmentally controlled test chamber before final packaging.


Due to their ultra-wide sweet zone, our HRmk2 monitors can be oriented vertically or horizontally, so we made our Mackie logo rotate-able. No matter which way you orient your HRmk2s, they’re always right-side up!


The passive radiator replaces the port found on most speaker systems. One 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.


The HRmk2 monitors feature a wood cabinet, with custom internal bracing to increase its strength and rigidity in desired locations. To absorb internal reflections and dampen standing waves inside the cabinet, an open-cell adiabatic foam material is placed strategically inside the box.


Our LED power indicator is a tasty shade of white and red for when things get pushed a little too hard. We took care to make sure the brightness is just right, too. The light shines bright enough so you can see it just fine in a well-lit room, and in a dark environment, it won’t distract or blind you.

Materials and Construction:

3⁄4-inch (19 mm) thick MDF cabinet construction with internal bracing to add to cabinet stiffness. 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 absorbs internal reflections, preventing delayed sound coloration. Flush-mount connector system allows monitor to be placed against a wall without need for connector clearance.

Low-frequency driver:
Diameter: 6.7 inches (170mm)
Sensitivity (2.83V, 1 m): 89 dB SPL
Nominal Impedance: 4 ohms
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: 6 ohms
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

Amplifier Section
Low-frequency power amplifier

Rated Power (at 1 kHz with 1% THD): 100 watts
Rated Load Impedance: 4 ohms
Rated THD (1W to –1 dB of rated power): 0.1 %
Slew Rate: 15V/µS
Distortion (THD, SMPTE IMD, DIM 100): < 0.035%
Signal-to-Noise (20Hz-20kHz, unweighted, referenced to 100W into 4 ohms): > 101 dB Cooling: Convection
Design: Monolithic IC, Class AB, Parametric Servo Feedback

High-frequency power amplifier

Rated Power(at 1 kHz with 1% THD): 40 watts
Rated Load Impedance: 6 ohms Rated THD (1W to –1 dB of rated power): 0.1 %
Slew Rate: 15V/µS
Distortion (THD, SMPTE IMD, DIM 100): < 0.035%
Signal-to-Noise (20 Hz-20 kHz, unweighted, referenced to 40 W into 8 ohms): > 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 k ohms Balanced 10 k ohms 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 and HF Detection Overall Compression