Download CD18 CONTROLLED DIRECTIVITY SUBBASS

CD18 CONTROLLED DIRECTIVITY SUBBBASS
CD18 Cardioid Mode
normalisation max
COVERAGE ANGLE (Degree)
180
24<18
18<12
12<6
6<3
3<1.5
1.5<0
0<1.5
1.5<3
3<6
120
90
60
30
0
30
60
90
120
180
20
25
31.5
40
50
freq [Hz]
63
80
100
Horizontal (dark) and vertical (light) coverage angles between
-6 dB points: cardioid mode.
125
CD18 Supercardioid Mode
normalisation max
COVERAGE ANGLE (Degree)
180
180
24<18
18<12
12<6
6<3
3<1.5
1.5<0
0<1.5
1.5<3
3<6
120
90
60
30
0
30
120
60
0
60
60
90
120
120
180
20
180
20
25
31.5
40
50
freq [Hz]
63
80
100
100
125
Horizontal (dark) and vertical (light) coverage angles between
-6 dB points: supercardioid mode.
125
Q & DI
ON AXIS RESPONSE (dB)
10
10
10
0
5
10
0
20
20
100
125
1
20
100
Directivity Index (left scale, dB) and Q (right scale) in
supercardioid (light) and cardioid (dark) modes.
dB vs. frequency on axis. Actual results depend on NX241 settings.
IMPEDANCE (Ohms)
64
32
16
8
4
20
100
125
Impedance in Ohms vs. frequency
All measurements made with dedicated NX program. Measurements conditions: far field, half space below 400Hz; anechoic above 400Hz.
Directivity Index and factor: computer synthesized from coverage. Coverage: 1/3 octave band synthesized from FFT measurements.
125