Calculator
Speaker Crossover Frequency
Find first-order crossover frequency from impedance and capacitor.
Safety first, always.
ElectroLab AI teaches theory, low-voltage electronics, and planning concepts. Mains voltage, switchboards, fixed wiring, high-current systems, and legal electrical work must only be performed by licensed electricians where required.
Open Safety CenterVisual schematic
Speaker crossover split
A capacitor protects the tweeter from low frequencies while the woofer handles the lower band.
TP1: amp output
TP2: tweeter high-pass
TP3: speaker polarity
Diagrams are simplified learning models for low-voltage electronics. They are not wiring instructions for mains, switchboards, fixed wiring, or legal electrical work.
Formula notes
f = 1 / (2pi R C)
This is a starting point. Real speakers vary with frequency, so listening and measurement matter.
Visual formula bench
Crossover wave view
Frequency decides which parts of a signal pass easily and which parts get reduced.
Live result
Check the inputs
1. Estimate
Load the example or enter a real low-voltage learning value.
2. Visualise
Use the diagram to connect the formula to current path, timing, frequency, or energy flow.
3. Verify safely
Build only suitable low-voltage circuits and confirm with a meter before scaling up.