NOSValves

About NOSValves

NOSValves is a specialized hi-fi audio brand focused on the restoration, modification, and repair of vintage tube amplifiers from renowned brands such as Scott, Fisher, Eico, Pilot, Harman-Kardon, and Dynaco. Based in the United States, NOSValves is particularly known for bringing classic tube equipment back to peak performance, using hand-selected components that enhance both reliability and musicality. The brand also designs and builds its own tube amplifiers, such as the custom-built VRD mono blocks, and offers vintage amps for sale. Custom requests are honored, and all work emphasizes original warmth and sonic resolution.