Kurzweil K2600 Musician's Manual page 515

Treble Tone Control (PARA TREBLE)
10
16
14
12
10
8
6
4
2
0
PARA TREBLE is very similar to PARA BASS; the only difference is that the amplitude setting
affects notes above the cutoff frequency.
10
20
15
10
5
0
-5
-10
-15
-20
Frequency in Hertz
100
Gain = 12 dB;
cutoff frequency
from C 6 to C 10
C 6
Frequency in Hertz
100
Cutoff frequency = C 9;
gain from -18 to 18 dB
1000 10000
C 10
1000 10000
18
-6
-18
DSP Functions
The DSP Functions
100000
100000
6
16-31