Mackie HD1521 Speaker User Manual


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HD151 Dimensions
11.82 in/
300 mm
18.25 in/
464 mm
18.81 in/
478 mm
30.0 in/
762 mm
WEIGHT
80.0 lb
36 kg
HD151 Beamwidth vs. Frequency HD151 Directivity vs. Frequency
HD151 Frequency Response On-Axis
H
o
riz
o
n
ta
l / Vertical
Frequency (Hz)
Directivity Index (dB)
D
irectivity Factor
(
Q
)
20 100 1000 20000
20
10
1
Frequency (Hz)
Frequency (Hz)
Beamwidth (Degrees)
100 1000 20000
100
360
10
1
100
10
1
1/3 Octave Response
dB SPL @ 2.83 V
20 100 1000 20000
110
100
120
70
80
90
H
o
riz
o
n
ta
l / Vertical
Frequency (Hz)
Directivity Index (dB)
D
irectivity Factor
(
Q
)
20 100 1000 20000
20
10
1
Frequency (Hz)
Frequency (Hz)
Beamwidth (Degrees)
100 1000 20000
100
360
10
1
100
10
1
1/3 Octave Response
dB SPL @ 2.83 V
20 100 1000 20000
110
100
120
70
80
90
H
o
riz
o
n
ta
l / Vertical
Frequency (Hz)
Directivity Index (dB)
D
irectivity Factor
(
Q
)
20 100 1000 20000
20
10
1
Frequency (Hz)
Frequency (Hz)
Beamwidth (Degrees)
100 1000 20000
100
360
10
1
100
10
1
1/3 Octave Response
dB SPL @ 2.83 V
20 100 1000 20000
110
100
120
70
80
90
1
HD151
HD1521
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