Crossover Calculator

Find the crossover frequency for a speaker filter.

Crossover frequency (Hz) 1,989.44

Formula: fc = 1 ÷ (2π·R·C)

Step-by-step with your numbers:
1. Values used:
2. Speaker impedance = 8 Ω
3. Capacitor = 10 µF
4.
5. Crossover frequency = 1,989.44Hz
Did we solve your problem today?

A crossover splits audio between drivers (e.g. tweeter and woofer) at a set frequency.

The math behind it

A first-order crossover's frequency is fc = 1 ÷ (2π·R·C), with R the driver impedance.

Worked example

8 Ω tweeter with 10 µF → about 1989 Hz.

FAQ

What is a first-order crossover?

A single capacitor or inductor giving a gentle 6 dB-per-octave slope.