Crossover Section

Crossover Type:Modified Linkwitz-Riley, 24 dB/octave @ 1800HzInput Impedance:20kΩ , balanced bridgingCompressor:Independent high and low frequency overload detectionAcoustic Space Equalization:A position: –4 dB @ 500Hz, shelvingB position: –2 dB @ 500Hz, shelvingC position: flatLow Freq Filter:

–3 dB @ 37Hz, 2nd-order Transitional High Pass filter; –3 dB @ 47Hz, 4th-order Chebyshev High Pass filter (1⁄10 dB passband ripple);

–3 dB @ 80Hz, 4th-order Butterworth High Pass filterHigh Freq Equalization:±2 dB @ 10kHz, shelving

Amplifier Section

Low-frequency amplifier:Rated power output: 150 watts, 4Ω loadBurst power output: 350 wattsDistortion:THD:<0.035% SMPTE IMD:<0.035% DIM 100:<0.035%Slew Rate: > 35V/∝ sSignal-to-Noise Ratio:> 102 dB, referenced to 150 watts into 4 ohmsHigh-frequency amplifier:Rated power output: 100 watts, 6Ω loadBurst power output: 210 watts

Distortion:

THD:

<0.035% SMPTE IMD:

<0.035% DIM 100:

<0.035%

Slew Rate: > 35V/∝ s

Signal-to-Noise Ratio:

> 102 dB, referenced to 100 watts into 6 ohms

Acoustic Section:

Free-Field Frequency Response:±1.5 dB, 39Hz to 20kHz
Lower cutoff frequency:–3 dB @ 37Hz
Upper cutoff frequency:–3 dB @ 22kHz
Sound Pressure Level at 1 meter,
–7.5 dBu into balanced input:100 dB SPL @ 1m
Maximum peak SPL per pair:≥ 120 dB SPL @ 1m
Maximum short term SPL on axis,
half space 80Hz to 2.5kHz:≥ 111 dB SPL @ 1m
Residual noise (maximum gain, 600Ω source,
20Hz-20kHz bandwidth):< 8 dB SPL @ 1m

General:

Power Consumption:135 watts with musical program, loud mix18 watts quiescent (idle)8 watts in Standby modeAC Dropout Voltage:120V AC versions: 80V AC240V AC versions:160V ACWeight: 32 lbs. 9 oz. (14.77 kg)Dimensions (HxWxD):15.75" (400mm) x 10.00" (254mm) x 12.20" (310mm)

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.

12.20" 309.9mm 10.50" 266.7mm

HR824

WEIGHT 32.6 lbs. (14.8 kg)

10.00" 254.0mm15.75" 400.0mm

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