Cyrus Brenneman Audio

About Cyrus Brenneman Audio

Cyrus Brenneman Audio is a boutique high-end audio brand renowned for its meticulously crafted tube amplifiers and electronics, such as the Euphonos linestage preamp and Silver Reference 20 monoblock SE amps. The company has garnered acclaim among audiophiles for its refined sound quality, ultra-wide bandwidth, and use of high-quality custom transformers, notably collaborating with other industry standouts like Edgarhorn. Cyrus Brenneman Audio's products have been described as "a well-kept industry secret" featuring cathode follower tube designs, appreciated for their transparency and musicality at leading audio shows. The brand remains highly respected in specialist and vintage audio circles.