200W Hi-fi Audio Power Amplifier Board

200 Watt Hi-Fi Audio Power Amplifier Board using C5200 and A1943 Transistors

This amplifier board is designed for high-power audio amplification using a dual-rail DC power supply.

Output Power:

• Maximum output power: up to 200 W (depends on supply voltage, load, and heat dissipation)

Speaker Compatibility:

• Supports 4 Ω and 8 Ω speaker loads
• Suitable for speakers rated from 100 W to 300 W

Working Voltage:

• Dual supply: ±18 V to ±45 V DC
• Recommended transformer: 30-0-30 VAC, 3 A to 5 A (step-down)

Configuration:

• Output stage uses C5200 (NPN) and A1943 (PNP) power transistors
• Requires adequate heat sinking for continuous high-power operation

Included Support Material:

• Wiring diagram provided
• Bill of Materials (BOM) included
• Basic connection and usage instructions included with the board

Intended Use:

• Audio power amplification for home audio systems
• Subwoofer and full-range speaker amplifier applications
• Musical instrument amplification (e.g., guitar, keyboard)
• Studio monitor and general-purpose audio amplification setups