1969 Class A Power Amplifier Board A DIY kit designed for audiophiles and hobbyists, built around a classic Class A topology. It uses MOT/2N3055 transistors to deliver robust performance and reliability. Suitable for projects requiring 10 15W of output, it provides crisp, clear HiFi sound to enhance any audio setup. Key benefits Class A topology offers linearity and low distortion for clean, faithful sound. MOT/2N3055 transistors provide dependable, longterm operation. 10 15W output is appropriate for small to midsize listening environments. DIY kit format, straightforward to assemble and integrate with standard audio components. Improves audio fidelity for vintage restorations and modern speaker setups alike. Key attributes Function: power amplifier board for HiFi audio Transistors: MOT/2N3055 Power range: 10 15W Form factor: boardbased kit suitable for hobbyist projects Use scenarios Upgrade a vintage stereo system to achieve clearer, more dynamic sound while preserving original character. Build a compact stereo amplifier for bookshelf speakers or a small home audio setup. Educational or hobbyist project to study Class A amplification and transistor biasing in a handson way.