20000
10000
1000
100
50
20
316
100
10
3.16
70
80
90
100
110
Frequency (Hz)
SPL (dB) 1W/1m
Impedance (Ohms)
Passive Mode, Half Space
Impedance, Passive Mode
20
50
100
1000
10000
20000
70
80
90
100
110
Frequency (Hz)
SPL (dB) 1W/1m
On Axis
10° Horizontal
20° Horizontal
30° Horizontal
20
50
100
1000
10000
20000
70
80
90
100
110
Frequency (Hz)
SPL (dB) 1W/1m
On Axis
10° Vertical
20° Vertical
30° Vertical
20
100
1000
10000
20000
360
100
20
3.6
Horizontal
Vertical
Frequency (Hz)
-6dB Beamwidth (degrees)
50
20000
10000
1000
100
20
0
10
20
30
1
10
100
1000
Frequency (Hz)
Directivity Index (DI), dB
Directivity Factor (Q)
Frequency Response &
Impedance:
Beamwidth:
Directivity:
Block Diagram (biamp):
EVH-1152D/66 Loudspeaker System
Horizontal Off-Axis Frequency
Response:
Vertical Off-Axis Frequency
Response:
Block Diagram (passive):
