X•over Pro
Calculate Three-Way 2nd-Order Series Crossover
Crossover Design and Theory – Aperion Audio
Speaker Crossover Calculators by V-Cap
Best Active CrossOver Filter Circuit for Speaker Boxes
PassDiy
Linkwitz–Riley filter - Wikipedia
Audio crossover - Wikipedia
Crossover Calculator
![Crossover [Analog Devices Wiki]](https://wiki.analog.com/_media/resources/tools-software/sigmastudio/toolbox/filters/crossoverpic3.png "Crossover [Analog Devices Wiki]")
Crossover [Analog Devices Wiki]
More on the Series Crossover
Crossover Network Filter Design
Q. What is a speaker's crossover frequency?
Digital Crossover basics
Understanding + modelling passive filter (crossover) circuits: Component position and effect - Electrical Engineering Stack Exchange
Active Passive Crossover Filter Calculator Program – Electronics Projects Circuits
Dictionary of Electronic and Engineering Terms. Audio Speaker Crossover Circuit
Active Audio Crossover Circuit | Electronic Filter Circuits
Amazon.com: ASHATA Speaker Frequency Divider Board,Professional 3 Way Speaker Crossover Filter Audio Frequency Divider 300W for DIY KTV Stage Speaker with Over-Current Protection Design : Electronics
FIR Crossover Design: FIR Designer software for speakers - Eclipse Audio
2 Way First Order Speaker Crossover Calculator
