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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

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

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