The HAMMOND MFG CO INC Audio Transformer features a primary impedance of 3kOhm and a secondary impedance of 1kOhm, designed for high-fidelity audio applications. This transformer is engineered to deliver superior sound quality, making it ideal for use in amplifiers and other audio equipment. Its robust construction ensures reliability and longevity, while the precise impedance matching enhances performance. This audio transformer is compliant with industry standards, ensuring compatibility with a wide range of audio systems. Perfect for audiophiles and professionals seeking to elevate their sound experience.