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ON AXIS RESPONSE (dB)
10
0
10
20
30
30
100
On Axis Responses PS8 & PS8 + LS400.
IMPEDANCE (Ohms)
64
32
16
8
4
30
100
Impedances PS8 & LS400.
OFF AXIS RESPONSE (dB)
10
0
10
20
100
1k
Horizontal Plane, Vertical Orientation +25˚.
10˚(black), 20˚(Red), 30˚(Blue) off axis response.
OFF AXIS RESPONSE (dB)
10
0
10
20
100
1k
Horizontal Plane, Vertical Orientation 0˚.
20˚(black), 30˚(Red), 40˚(Blue) off axis response.
OFF AXIS RESPONSE (dB)
10
0
10
20
100
1k
Horizontal Plane, Vertical Orientation -25˚.
30˚(black), 40˚(Red), 50˚(Blue) off axis response.
DIRECTIVITY INDEX (dB) & Q
20
15
10
5
0
100
1k
Directivity Index and Factor.
PS SERIES MANUAL REV3 10/10/05
PS8 & LS400 : SPECIFICATIONS, COURBES & DIAGRAMMES
1k
10k
20k
1k
10k
20k
300˚
270˚
240˚
10k
20k
300˚
270˚
240˚
10k
20k
300˚
270˚
240˚
10k
20k
100
200˚
100˚
10
1
20˚
10k
20k
100
Horizontal (light) and Vertical (black) Coverage Angles, -6dB point.
TOTAL DISTORTION (%)
10%
1%
0.1%
30
100
PS8+LS400 : THD for 110dBSPL @ 1m.
All measurements made with PS8TDcontroller.
Response curves : Far Field, Halfspace below 200Hz, anechoic above 200Hz.
Off axis response and polar plot : 1/3 octave averaged anechoic measurements.
Vertical orientations refer to the cabinet in front of house configuration.
Directivity index and factor : computer treatment of polar plots.
0˚
330˚
30˚
60˚
Horizontal polar plot (left). 5dB/division.
Upper plot : vertical orientation +25˚.
90˚
Center plot : vertical orientation 0˚.
Lower plot : vertical orientation -25˚.
120˚
210˚
150˚
180˚
0˚
330˚
30˚
60˚
150˚
90˚
180˚
120˚
210˚
210˚
150˚
180˚
Above : vertical Polar plot. 5dB/division.
0˚
330˚
30˚
2 500 Hz Red
60˚
5 000 Hz Blue
10 000 Hz Black
90˚
120˚
210˚
150˚
180˚
COVERAGE ANGLE (Degree)
1k
1k
10k
90˚
120˚
60˚
30˚
0˚
330˚
240˚
300˚
270˚
10k
20k
P.71
20k
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