Radial Engineering R42DC-US External Power Supply Unit

Radial Engineering R42DC-US External Power Supply Unit is a high-stability, regulated 42V DC power adapter designed to deliver clean and reliable power to compatible Radial audio systems and professional studio signal processing equipment. It is engineered for consistent performance in demanding recording, broadcast, and live sound environments where stable power is critical to maintaining audio integrity.

Built specifically for North American installations (110V AC input for USA/Canada use), the R42DC-US ensures safe and efficient conversion to a regulated 42V DC output, providing the correct operating voltage for supported Radial devices. Its regulated design helps minimize voltage fluctuation, reducing the risk of noise, distortion, or system instability in sensitive audio applications.

This external PSU is intended for use with select Radial products that require a dedicated power source, ensuring optimal performance, extended equipment lifespan, and dependable operation in both studio racks and portable setups.

Key Features

• External 42V DC regulated power supply for compatible Radial systems
• Designed for USA/Canada 110V AC mains input
• Provides stable, low-noise power for professional audio equipment
• Helps ensure consistent performance of studio and live sound modules
• Engineered for high reliability in continuous operation environments
• Reduces power-related noise, hum, and signal instability
• Durable construction for long-term studio and touring use
• Ideal replacement or spare PSU for supported Radial Engineering products