3 Way Active Crossover Filter Board

3-Way Active Crossover Filter Board (Linkwitz-Riley, Assembled)

This assembled board is designed for audio signal separation into low, mid, and high frequency bands using Linkwitz-Riley filter topology.

Working Voltage:

• Dual supply: ±12 V DC (regulated supply required)

Signal Processing:

• Three separate outputs: Low, Mid, and High frequency bands
• Signal gain: up to 20 dB (depends on circuit configuration)
• RF input filter for reduction of unwanted noise

Op-Amp Configuration:

• Uses NE5532 and TL084 op-amp ICs

Protection Features:

• Reverse polarity protection using diodes

Connectors:

• 2.54 mm JST / Relimate connectors for input, output, and power connections

Board Specifications:

• PCB dimensions: 103 mm × 53 mm
• Compact layout for enclosure integration

Construction:

• Fully assembled board
• Uses through-hole components

Configuration:

• Requires regulated ±12 V DC power supply
• Designed for integration with multi-channel amplifier systems

Intended Use:

• Active speaker systems with separate low, mid, and high frequency drivers
• Multi-way audio amplifier setups
• DIY audio crossover and signal processing applications