Introducing the Audio Research Reference 330M Monoblock Power Amplifier—a masterpiece of engineering that brings unrivaled clarity and power to your audio system. Perfect for audiophiles seeking ultimate performance, the Reference 330M delivers 330 watts of pristine, balanced power to your speakers, enabling an immersive, lifelike listening experience.
 
Key Features:
Hybrid Front-End Design: The amplifier combines the warmth of an ECC83 tube with the precision of bipolar transistors, providing outstanding headroom and tonal purity for dynamic, lifelike sound.
Advanced Output Stage: Featuring Silicon Carbide (SiC) JFETs and automated biasing for each KT170 output tube, the 330M offers superior control and enhanced bass, ensuring a smooth and accurate response across all frequencies.
Fully Balanced Architecture: The 330M’s fully balanced design, coupled with its exclusive Pentode mode operation, ensures maximum performance and sonic integrity, giving you unparalleled clarity and detail.
Robust Power Supply: A solid-state regulated front end and tube-regulated output stages deliver reliable, high-performance power, ensuring long-term consistency and stability in even the most demanding systems.
Precision Controls: Equipped with balanced XLR and RCA inputs, multiple output taps, and RS-232 remote control, the 330M integrates seamlessly into any high-end audio setup.
 
Handcrafted in the USA with premium components, the Audio Research Reference 330M is designed to deliver exceptional performance, reliability, and elegance. Whether you’re upgrading an existing system or building a new one, this amplifier provides the ultimate in sound quality and precision.
 
Elevate your audio experience with the Audio Research Reference 330M Monoblock Power Amplifier—where innovation and craftsmanship converge to create the perfect sonic foundation for your music.