TDA7719
Description
4.8.2
Treble center frequency
Figure 17 shows the four possible center frequencies 10k, 12.5k, 15k and 17.5kHz.
Figure 17. Treble center frequencies @ gain = 14dB
4.9
Subwoofer Filter
The subwoofer lowpass filter has Butterworth characteristics with programmable cut-off
frequency (80 / 120 / 160Hz). The output phase can be selected between 0deg and 180deg.
The input of subwoofer takes signal from bass filter output or output of input mux.
Figure 18. Subwoofer control
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