Band pass 2 nd Order (12dB) 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 = 13.46 uF

C2 = 1.10 uF

L1 = 2.64 mH

L2 = 0.26 mH

the calculated values are rounded to 2 decimals

Recommended values for capacitors

C1 = 12 uF + 1.3 uF + 0.15 uF  parallel

C2 = 1 uF

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