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Passive Crossover, Tweeter L-Pad & Zobel Network Calculator

Calculate 2-Way and 3-Way passive crossover capacitors (μF) and inductors (mH) for 1st to 4th order Linkwitz-Riley, Butterworth, and Bessel alignments, plus tweeter L-Pad attenuator and Zobel impedance compensation.

IN + IN - C1 = 3.55 μF L1 = 0.45 mH R1 = 2.65 Ω R2 = 16.12 Ω Tweeter (8Ω) Fx = 2800 Hz (-3.5dB) L_wf = 0.45 mH C_wf = 3.55 μF Woofer (8Ω) Zobel: 8.5Ω + 6.23μF
Tweeter High-Pass C1
3.55 μF
Tweeter Shunt L1
0.45 mH
Woofer Low-Pass L_wf
0.45 mH
Woofer Shunt C_wf
3.55 μF
L-Pad Series R1
2.65 Ω
L-Pad Parallel R2
16.12 Ω
Zobel Resistor Rz
8.5 Ω
Zobel Capacitor Cz
6.23 μF