DIY

About the DIY

The Purifi DIY Stereo Amplifier kit is a high-end Class D stereo amplifier designed for audiophiles and DIY enthusiasts. It is based on Purifi's patented Eigentakt™ Error Correction technology, which ensures ultra-high loop gain (>75dB) across the entire audio band, resulting in exceptional transparency and sound quality. The amplifier delivers 425 watts per channel at 4 ohms with extremely low total harmonic distortion plus noise (THD+N) of 0.00017% at 100 watts, and a signal-to-noise ratio of 131 dB. It supports loads down to 2 ohms and maintains efficiency greater than 94%, producing clean power with minimal heat. The kit includes Purifi EVAL1 amplifier modules, a SMPS1200A400 switch mode power supply, and a compact black anodized aluminum case with good heat dissipation. Inputs are balanced XLR, and outputs support banana plugs and solder points. This amplifier is highly regarded for its neutral, detailed sound and reliability, making it suitable for studio and home hi-fi applications.