MACKIE HR824 - Manual (Page 17)

17
Crossover Section
Crossover Type:
Modified Linkwitz-Riley, 24 dB/octave @ 1800Hz
Input Impedance:
20k
Ω
, balanced bridging
Compressor:
Independent high and low frequency overload detection
Acoustic Space Equalization:
A position: –4 dB @ 500Hz, shelving
B position: –2 dB @ 500Hz, shelving
C position: flat
Low 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 filter
High Freq Equalization:
±
2 dB @ 10kHz, shelving
Amplifier Section
Low-frequency amplifier:
Rated power output:
150 watts, 4
Ω
load
Burst power output:
350 watts
Distortion:
THD:
< 0.035%
SMPTE IMD:
< 0.035%
DIM 100:
< 0.035%
Slew Rate:
> 35V/
µ
s
Signal-to-Noise Ratio:
> 102 dB, referenced to 150 watts into 4 ohms
High-frequency amplifier:
Rated power output:
100 watts, 6
Ω
load
Burst power output:
210 watts
Distortion:
THD:
< 0.035%
SMPTE IMD:
< 0.035%
DIM 100:
< 0.035%
Slew Rate:
> 35V/
µ
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, 600
Ω
source,
20Hz-20kHz bandwidth): < 8 dB SPL @ 1m
General:
Power Consumption:
135 watts with musical program, loud mix
18 watts quiescent (idle)
8 watts in Standby mode
AC Dropout Voltage:
120V AC versions: 80V AC
240V AC versions:160V AC
Weight: 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.
10.00" 254.0 mm
10.50" 266.7 mm
12.20" 309.9 mm
15.75"
400.0
mm
HR824
WEIGHT
32.6 lbs.
(14.8 kg)