The TRIAD MAGNETICS SP-51 is an audio transformer designed for high-performance audio applications. With a ratio of 1.22:1, this transformer delivers superior signal isolation and impedance matching capabilities. It can handle up to 1000Vrms and features a primary DCR of 104 Ohms and a secondary DCR of 96 Ohms, ensuring optimum signal transmission. The transformer is equipped with 5 terminals for easy connection and is designed with PC pin through-hole technology for secure mounting. Whether you are building a professional audio system or upgrading your home sound setup, the TRIAD MAGNETICS SP-51 audio transformer is the perfect choice for crisp and clear audio reproduction.