1
Owner’s Manual
Owner’
s Manual
Acoustic Section
Free-Field Frequency Response:
±1.5 dB, 37 Hz to 20 kHz
Lower cutoff frequency:
–3 dB @ 35 Hz
Upper cutoff frequency:
–3 dB @ 22 kHz
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 80 Hz to 2.5 kHz:
111 dB SPL @ 1m
Residual noise (maximum gain, 600
Ω
source,
20 Hz-20 kHz bandwidth):
< 8 dB SPL @ 1m
Rated Line Input Voltage and Power:
Power consumption:
Standby mode:
8 watts
Quiescent (idle):
18 watts
Musical Program, Loud mix: 135 watts
US:
120 VAC, 60 Hz
Europe:
240 VAC, 50 Hz
Korea:
220 VAC, 60 Hz
Japan:
100 V, 50-60 Hz
Rated Power
(For UL-6500, CSA-E65-94, EN-60065):
150 watts
Physical Properties
Height:
16.8 in/42.5 cm
Width:
10.8 in/27.3 cm
Depth Enclosure: 11.4 in/29.0 cm
Depth Overall:
13.8 in/35.1 cm
Weight:
34.6 lb/15.7 kg
LOUD Technologies 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.
Graphs
11.4" (29.0 cm)
13.8" (35.1 cm)
16.8"
(42.5 cm)
HR824 MK2
WEIGHT
34.6 lb
(15.7 kg)
10.8" (27.3 cm)
HR824 Acoustic Space Filter Response
-15
+5
-14
-13
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
-0
+1
+2
+3
+4
d
B
u
10
20k
20
50
100
200
500
1k
2k
5k
10k
Hz
®
HR824 High Frequency EQ Filter Response
-15
+5
-14
-13
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
-0
+1
+2
+3
+4
d
B
u
10
20k
20
50
100
200
500
1k
2k
5k
10k
Hz
®
HR824 Low Frequency Filter Response
-45
+5
-43
-41
-39
-37
-35
-33
-31
-29
-27
-25
-23
-21
-19
-17
-15
-13
-11
-9
-7
-5
-3
-1
+1
+3
d
B
u
10
200
20
30
40
50
60
70
80
90 100
Hz
®