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Crossover Calculator
Component values for a passive speaker crossover (second order Linkwitz-Riley style).
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Series inductor (woofer, Butterworth)
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Component values for a passive speaker crossover (second order Linkwitz-Riley style).
Crossover Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: L = Z sqrt2 / (2 pi f); C = 1 / (sqrt2 2 pi f Z).
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Crossover Quick Guide
Typical values for reference.
| Frequency Hz | Impedance | Inductor | |
|---|---|---|---|
| 2500 | 8 | 0.720 mH | |
| 1000 | 8 | 1.801 mH | |
| 3000 | 4 | 0.300 mH | |
| 5000 | 6 | 0.270 mH | |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Crossover Calculator FAQ
Answers to common questions about this calculator.
A filter that splits audio between drivers.
12 dB per octave, second order.
No, drivers have their own impedance curves.
No, test and adjust.