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Gradual Subwoofer Bass Filter Circuit

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Circuit MC33074 (Operational Amplifiers) and PT2351 (Subwoofer Crossover Low Pass Filter) based on 55Hz and 65Hz 75Hz 85Hz 95hz 6 Step Switchgear 105Hz stage material can be selected by changing the values ​​you can use different frequency

Gradual Subwoofer Bass  Filter Circuit subwoofer cross over.thumbnail Gradual Subwoofer Bass  Filter Circuit bass filtre pcb.thumbnail Gradual Subwoofer Bass  Filter Circuit subwoofer pcb ust.thumbnail

Bass Subwoofer Filter Circuit Frequency Table

gradual CA CB CC CD 3dB 12dB 18dB
1 47nf 47nf 22nf 220nf 55hz 120hz 170hz
2 68nf 15nf 100nf 100nf 65hz 135hz 190hz
3 47nf 33nf 150nf 33nf 75hz 150hz 205hz
4 68nf 6.8nf 150nf …. 85hz 175hz 235hz
5 47nf 10nf 100nf 22nf 95hz 195hz 270hz
6 47nf 4.7nf 100nf 10nf 105hz 225hz 295hz
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