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1250 Frequency Response and Impedance / Enclosure Dimensions
Physical Dimensions
Front
Top
Side
All units in inches
Frequency
Response and
Impedance
(Passive Mode)
Horizontal
Frequency
Response
(O°, 30°, 60°)
Beamwidth vs
Frequency
Directivity
Index and Q
Hear the Power of Technology.
dBSPL
20 Hz 50 100 200 500 1K 2K 5K 10K 20K
Frequency (Hz)
105
100
95
90
85
80
75
70
65
60
55
50
45
30
27
24
21
18
15
12
9
6
3
0
dBSPL
50 Hz 100 200 500 1K 2K 5K 10K 20K
Frequency (Hz)
105
100
95
90
85
80
75
70
65
60
55
50
45
10.0
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
Horizontal
Vertical
DI
Q
1000
100
10
100 1000 10000 10000
100 1000 10000 100000
Beamwidth (degrees)
Frequency (Hz)
Frequency (Hz)
DI (dB), Q
QSC Audio Products, Inc.
1675 MacArthur Boulevard
Costa Mesa, CA 92626
Toll-free: (800) 854-4079
Tel: (714) 957-7100
Fax: (714) 754-6174
www.qscaudio.com
For more information about QSC
professional loudspeakers, contact
your local QSC sales representative,
or call us toll-free at: (800) 854-4079
Ohm
1200 Series Spec Sheet 10/02/01