Bessel Low pass 2ndt Order (12dB)

Select L1 as Cu 1.0 (18AWG) or more depending on the maximum power handling and your budget, C1 as BI-polarized cap or MKT cap

Change parameters to your requirements

The calculated values

Cross-over frequency 1000 Hz

C1 = 11.40 uF

L1 = 2.20 mH

the calculated values are rounded to 2 decimals

Recommended values for capacitors

C1 = 11 uF + 0.39 uF  parallel

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