XFPCB003 - Class-AB Amplifier 20-30W LM1875 Board
The LM1875 is a monolithic power amplifier offering very low distortion and high quality performance for consumer audio applications.
- Specifications
- Load: 4Ω - 8Ω
- Output Power: 30W
- Supply Voltage 12V-36V(±18)
- Features
- Low Distortion: 0.015%, 1 kHz, 20 W
- Wide Power Bandwidth: 70 kHz
- High Current Capability: 4A
- Protection for AC and DC Short Circuits to Ground
- Through-hole components
- Dimensions
PCB Clad: 76mm x 66mm
Height/w Heat sinks: 50mm
- Wiring Example

-Routing
- Schema
- Warranty
All our products come with 1 year warranty (repair or replace). We intend to provide repair or replace warranty on all our products indefinitely.
- Open-source hardware (OSH)
This product is open-sourced.
KiCad Schematics, Gerber, BOM, Drill, Silk/Solder Masks, Positive and Negative plot files are available on GitHub.
KiCad Schematics, Gerber, BOM, Drill, Silk/Solder Masks, Positive and Negative plot files are available on GitHub.