Band pass 3 nd Order (18dB) reverse polarity

Change parameters to your requirements

The calculated values

Frequency Spread high/low 3 octaves

Cross-over frequency high 8000 Hz

Cross-over frequency low 1000 Hz

Bandpass gain 0 db

C1 = 3.39 uF

C2 = 12.34 uF

C3 = 46.89 uF

L1 = 0.20 mH

L2 = 0.07 mH

L3 = 1.12 mH

the calculated values are rounded to 2 decimals

Recommended values for capacitors

C1 = 3.3 uF

C2 = 12 uF + 0.33 uF  parallel

C3 = 44 uF + 2.8 uF  parallel

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