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Specifications
Enclosure
Materials:
MDF construction with black oak veneer.
Sides: 0.75 in/19 mm thick
Top: 1.25 in/32 mm thick
Bottom: 1.00 in/25 mm thick
Internal Volume:
2.15 cubic feet/60.88 liters
Transducers
Low-frequency driver:
12-inch/305 mm die-cast frame, oversized ferrite magnet
structure, 4-inch/100 mm voice coil, and over 45 mm
cone excursion
Passive Radiator:
12-inch/305 mm mass-loaded
System Specifications
Crossover Type:
Linkwitz-Riley, 24 dB/octave, variable 55 Hz to 110 Hz
Input Type:
Balanced differential XLR; Unbalanced RCA
Input Impedance:
20kΩ, balanced bridging
10kΩ, unbalanced
Input Sensitivity:
89 dB SPL with a 100 mV (–17.8 dBu) input signal
Maximum Input Level:
+20 dBu
Signal Sense Threshold:
–74 dBu (0.155 mV)
High-Cut Filter (LFE):
7th order elliptical filter @ 110 Hz
Subsonic Filter:
–3 dB @ 15 Hz, 3rd-order Butterworth High-Pass filter
Input Protection:
RFI and level protected
Driver Protection:
Power supply tracking peak limiter
Thermal Protection:
Heatsink and Power Transformer temperature, auto reset
Amplifier Section
Rated power output (1% THD @ 100 Hz):
400 watts rms into rated 8Ω load
Burst power output (100 Hz sine with 10% duty cycle):
500 watts
Distortion:
THD (20 Hz-300 Hz, from 1W to –1 dBr=325 W):
< 0.02% (typically 0.0025%)
Signal-to-Noise Ratio:
> 107 dB, referenced to 325 watts into 8 ohms
Acoustic Section:
Free-Field Frequency Response:
±1.5 dB, 20 Hz to 150 Hz
Lower cutoff frequency: –3 dB @ 19 Hz
Maximum SPL: 117 dB SPL @ 1m
Residual noise: < 8 dBA SPL @ 1m
General:
Power Consumption:
280 watts with musical program, loud mix
30 watts quiescent (idle)
Dimensions:
Height (including feet): 21.0 in/533 mm
Width: 18.0 in/457 mm
Depth (including grille): 18.8 in/478 mm
Overall Depth: 21.3 in/541 mm
Weight: 94 lb/42.6 kg
Mackie Designs 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.
21.0 in/
533 mm
19.0 in/
483 mm
HRS120
WEIGHT
94 lb/
42.6 kg
18.0 in/457 mm18.0 in/457 mm
18.8 in/478 mm
21.3 in/541 mm
HIGH RESOLUTION
HIGH RESOLUTION