Frequency Response
of d:fine
TM
4166 Omnidirectional types
Frequency Response of
d:fine
TM
4188 Directional types
dB
10
0
-10
-20
-30
20 Hz
50
100
200
500
1 kHz
2
5
10
20
40
1 kHz
2 kHz
20 kHz
16 kHz
8 kHz
4 kHz
5 dB
dB
10
0
-10
-20
-30
20 Hz
50
100
200
500
1 kHz
2
5
10
20
40
Black line is near field (2 – 3 cm/0.8 – 1.2 in).
Green line is far field (more than 30 cm/12 in).
250 Hz
500 Hz
8 kHz
16 kHz
4 kHz
2 kHz
1 kHz
5 dB
Polar Pattern
of d:fine
TM
4166 Omnidirectional types
Polar Pattern
d:fine
TM
4188 Directional types
