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Crossover 1 V

Speaker Crossover Calculators

First Order (6db/octave) Two-Way Crossover

Ohms

Ohms

Hz
C1= µF
L1= mH
Additional Information...
6dB Crossover Diagram • First Order crossover phase shift = 90 degrees.
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Second Order (12db/octave) Two-Way Crossover


Ohms

Ohms

Hz
C1= µF
L1= mH
C2= µF
L2= mH
Additional Information...
12dB Crossover Diagram • Second Order crossover phase shift = 180 degrees (reversed polarity).
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Third Order (18db/octave) Two-Way Crossover

Ohms

Ohms

Hz
C1= µF
C2= µF
L1= mH
L2= mH
L3= mH
C3= µF
Additional Information...
18dB Crossover Diagram • Third Order crossover phase shift = 270 degrees (-90 degrees).
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Fourth Order (24db/octave) Two-Way Crossover

Ohms

Ohms

Hz
C1= µF
C2= µF
L1= mH
L2= mH
C3= µF
C4= µF
L3= mH
L4= mH
Additional Information...
24dB Crossover Diagram • Fourth Order crossover phase shift = 360 degrees no phase shift).
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Zobel Circuit (Impedance Stabilization)

Ohms

Henries
C1= µF
R1= Ohms
Additional Information...
Zobel Circuit Diagram • Although speakers are rated for a certain impedance (i.e.- 4 or 8 Ohms), the actual impedance curve may vary with frequency (speakers have inductance). To compensate for non-linearity of speakers (on mainly subwoofers), Zobel circuits are used.
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L-pad (Speaker Attenuation)

Ohms

dB
R1= Ohms
R2= Ohms
Additional Information...
L-Pad Circuit Diagram • An L-pad circuit attenuates a speaker. • L-pads keep the load "seen" by the amplifier constant, affecting only the power delivered to the speaker. The power delivered by the amplifier remains constant. • Since L-pads are made from resistors, they don't induce any phase shifts, or affect frequency response.
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