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Audio crossover online calculation formula

Speaker divider circuit calculator

First-order (6-dB/octave) two-way crossover

High-pass impedance: Ohm Low pass impedance: Ohm frequency Hz
	C1= μf L1= mH

The phase shift first order divider is 90 degrees

Second-order (12 dB/octave) two-way crossover

Linkwitz-Riley Butterworth Bessel

High-pass impedance: Ohm
Low pass impedance: Ohm
frequency Hz

Linkwitz-Riley
Butterworth
Bessel

C1 = μf

L1 = mH

C2 = μf

L2 = mH

Third-order (eighteen decibels / octave) two-way cross

High pass impedance: Ohm Low pass impedance: Ohm Frequency: Hz
	C1 = μf C2 = μf L1 = mH L2 = mH L3 = mH C3 = μf

Fourth-order (24 dB/octave) two-way crossover

High-pass impedance: Ohm Low pass impedance: Ohm Frequency: Hz
	C1 = μf C2 = μf L1 = mH L2 = mH C3 = μf C4 = μf L3 = mH L4 = mH

Zobel Sebel circuit (impedance stability)

DC Resistance (Re): Ohm Equivalent inductance (Le): Henry
	C1= μf R1= Ohm

L-type speaker horn attenuation circuit

Drive impedance = Ohm Ideal attenuation = dB
	R1 = Ohm R2 = Ohm