The Nautel NX1 is a compact 1kW rack-mount AM transmitter with six-phase digital modulation, hot-pluggable 250W RF modules, HD Radio MA3 and DRM support, and built-in spectrum analyzer for medium wave broadcast from 531-1700 kHz.
The Nautel NX1 is a professional low-power AM transmitter designed for digital and analog medium wave broadcasting. Operating across 531-1700 kHz with 50-ohm impedance, the NX1 delivers 1 kW carrier power using the proven NX Series architecture deployed in over 40 MW of high-power AM installations worldwide. The transmitter employs six-phase direct digital modulation with advanced digital precorrection, providing exceptional linearity and spectral cleanliness for both analog AM and digital transmission modes.
The Nautel NX1 is the industry’s first low-power AM transmitter specifically engineered for digital operation, supporting HD Radio including MA3 all-digital mode and all current DRM configurations. Modulation capability exceeds 135% positive peak, while THD+N remains below 0.5% across the audio band. Front-accessible, hot-pluggable 250W RF power modules contribute equally to the final output, supporting on-air serviceability without taking the system offline.
The transmitter includes an HTML-based Advanced User Interface accessible via standard web browser for comprehensive local and remote monitoring. Built-in real-time RF instrumentation provides spectrum analysis and impedance measurement without external test equipment. Titanium-grade switching power supplies operate at 96% efficiency, minimizing operating costs in a compact rack-mount chassis designed for space-constrained installations.
The Nautel NX1 is ideal for low-power AM stations transitioning to digital broadcasting or requiring high
