Passive Crossover Design Calculator

Car Audio - Speaker - Subwoofer - Electronics

Change Network Order to
Two Way
First | Second | Third | Fourth


Two Way Fourth Order Network Equations

Linkwitz-Riley:
C1 = 0.0844 /(RHf)
C2 = 0.1688 /(RHf)
C3 = 0.2533 /(RLf)
C4 = 0.0563 /(RLf)
L1 = 0.1000RH/f
L2 = 0.4501RH/f
L3 = 0.3000RL/f
L4 = 0.1500RL/f
Bessel:
C1 = 0.0702 /(RHf)
C2 = 0.0719 /(RHf)
C3 = 0.2336 /(RLf)
C4 = 0.0504 /(RLf)
L1 = 0.0862RH/f
L2 = 0.4983RH/f
L3 = 0.3583RL/f
L4 = 0.1463RL/f
Butterworth:
C1 = 0.1040 /(RHf)
C2 = 0.1470 /(RHf)
C3 = 0.2509 /(RLf)
C4 = 0.0609 /(RLf)
L1 = 0.1009RH/f
L2 = 0.4159RH/f
L3 = 0.2437RL/f
L4 = 0.1723RL/f
Legendre:
C1 = 0.1104 /(RHf)
C2 = 0.1246 /(RHf)
C3 = 0.2365 /(RLf)
C4 = 0.0910 /(RLf)
L1 = 0.1073RH/f
L2 = 0.2783RH/f
L3 = 0.2294RL/f
L4 = 0.2034RL/f
Gaussian:
C1 = 0.0767 /(RHf)
C2 = 0.1491 /(RHf)
C3 = 0.2235 /(RLf)
C4 = 0.0768 /(RLf)
L1 = 0.1116RH/f
L2 = 0.3251RH/f
L3 = 0.3253RL/f
L4 = 0.1674RL/f
Linear-Phase:
C1 = 0.0741 /(RHf)
C2 = 0.1524 /(RHf)
C3 = 0.2255 /(RLf)
C4 = 0.0632 /(RLf)
L1 = 0.1079RH/f
L2 = 0.3853RH/f
L3 = 0.3285RL/f
L4 = 0.1578RL/f

Two Way Fourth Order Network

C - Capacitor
L - Inductor

Inputs:

Impedance of tweeter (RH) ohms
Impedance of woofer (RL) ohms
frequency (f) hertz


Given:

RH = 0
RL = 0
f = 0

Solution:

Linkwitz-Riley:
C1 = HAS NOT BEEN CALCULATED
C2 = HAS NOT BEEN CALCULATED
C3 = HAS NOT BEEN CALCULATED
C4 = HAS NOT BEEN CALCULATED
L1 = HAS NOT BEEN CALCULATED
L2 = HAS NOT BEEN CALCULATED
L3 = HAS NOT BEEN CALCULATED
L4 = HAS NOT BEEN CALCULATED
Bessel:
C1 = HAS NOT BEEN CALCULATED
C2 = HAS NOT BEEN CALCULATED
C3 = HAS NOT BEEN CALCULATED
C4 = HAS NOT BEEN CALCULATED
L1 = HAS NOT BEEN CALCULATED
L2 = HAS NOT BEEN CALCULATED
L3 = HAS NOT BEEN CALCULATED
L4 = HAS NOT BEEN CALCULATED
Butterworth:
C1 = HAS NOT BEEN CALCULATED
C2 = HAS NOT BEEN CALCULATED
C3 = HAS NOT BEEN CALCULATED
C4 = HAS NOT BEEN CALCULATED
L1 = HAS NOT BEEN CALCULATED
L2 = HAS NOT BEEN CALCULATED
L3 = HAS NOT BEEN CALCULATED
L4 = HAS NOT BEEN CALCULATED
Legendre:
C1 = HAS NOT BEEN CALCULATED
C2 = HAS NOT BEEN CALCULATED
C3 = HAS NOT BEEN CALCULATED
C4 = HAS NOT BEEN CALCULATED
L1 = HAS NOT BEEN CALCULATED
L2 = HAS NOT BEEN CALCULATED
L3 = HAS NOT BEEN CALCULATED
L4 = HAS NOT BEEN CALCULATED
Gaussian:
C1 = HAS NOT BEEN CALCULATED
C2 = HAS NOT BEEN CALCULATED
C3 = HAS NOT BEEN CALCULATED
C4 = HAS NOT BEEN CALCULATED
L1 = HAS NOT BEEN CALCULATED
L2 = HAS NOT BEEN CALCULATED
L3 = HAS NOT BEEN CALCULATED
L4 = HAS NOT BEEN CALCULATED
Linear-Phase:
C1 = HAS NOT BEEN CALCULATED
C2 = HAS NOT BEEN CALCULATED
C3 = HAS NOT BEEN CALCULATED
C4 = HAS NOT BEEN CALCULATED
L1 = HAS NOT BEEN CALCULATED
L2 = HAS NOT BEEN CALCULATED
L3 = HAS NOT BEEN CALCULATED
L4 = HAS NOT BEEN CALCULATED

References - Books:
Dickason, Vance. 1991. The Loudspeaker Design Cookbook. Audio Amateur Press. 4th ed.
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