Thermionic Culture THE FREEBIRD 3 channel equalizer - Manual (Page 12)

The Freebird - Frequency Response Curves
Frequency (kHz)
Bass+5@50Hz
Bass+5@100Hz
Bass-5@50Hz
Bass-5@100Hz
HPF 25Hz
HPF 65Hz
Mid Cut
Top+5@50Hz
Top+5@100Hz
-30
-25
-20
-15
-10
-5
0
5
10
15
20
0 1 1 1 . 0 1 0 . 0
G
ain
(d
B
)