Experience the pinnacle of audio engineering with the Audio Research Reference 330M Power Amplifier, a monoblock masterpiece designed to redefine your listening experience. Handcrafted in Minnesota, this flagship amplifier delivers an astonishing 330 watts of tube-driven power, blending classic vacuum tube warmth with modern precision. Perfect for audiophiles seeking the ultimate home theatre or stereo system, the Audio Research Reference 330M Power Amplifier brings music to life with breathtaking dynamics and clarity. Available exclusively in-store at Len Wallis Audio, it’s time to hear what true hi-fi audio can achieve.
Why Choose the Audio Research Reference 330M Power Amplifier?
The Audio Research Reference 330M Power Amplifier stands alone with its fusion of power and finesse. Six KT170 vacuum tubes fuel its fully balanced, pentode-mode design, delivering commanding output with low distortion. Features like auto-bias and a tube hour meter ensure consistent performance and longevity, while custom-built transformers optimise power delivery. With both balanced and single-ended inputs, it pairs effortlessly with any source, making it a versatile cornerstone for your hi-fi setup. This amplifier doesn’t just perform—it captivates.
The Audio Research Reference 330M Power Amplifier transforms your home sound system into a concert hall. Its 330-watt output drives even the most demanding speakers with authority, delivering deep bass, airy highs, and a rich midrange that envelops you. Whether enhancing your home cinema or crafting a hi-fi stereo sound experience, its limitless headroom and dynamic range bring every detail to life. Features like fan speed control and auto-off add convenience, while its robust build ensures years of immersive listening. This is audio that doesn’t just play—it performs.
Technical Specifications
Power Output: 330 watts continuous (20Hz–20kHz); 1% THD at 1kHz
Frequency Response: 0.5 Hz–110 kHz (-3 dB)
Input Sensitivity: 2.4V RMS (balanced) for rated output
Tube Complement: 6 x KT170, 1 x ECC83, JFET buffers
Power Requirements: 105–125VAC 60Hz, 1000 watts max
Early adopters rave about the Audio Research Reference 330M Power Amplifier. One user declared, “It’s the most musical amp I’ve ever heard—powerful yet delicate,” praising its dynamic range. Another said, “The control over my speakers is unreal; it’s a game-changer,” highlighting its authority. As of April 2025, feedback celebrates its ability to deliver a live-performance feel, cementing its status as a hi-fi icon. Chek more about it here.
Ready to command your audio destiny? The Audio Research Reference 330M Power Amplifier is available for in-store demo and purchase at Len Wallis Audio. Or explore more about Audio Research here.
Len Wallis Audio Excellence Promise
Since 1978, Len Wallis Audio has been a beacon of hi-fi excellence, curating top-tier audio solutions. From our Lane Cove showroom in Sydney, we’ve spent over four decades selecting only the finest products for our collection.
We take pride in showcasing the best in audio innovation, ensuring every piece reflects our commitment to quality. We’re not just a store—we’re your partners in crafting a home stereo system tailored to your needs.
With personalised service and a passion for exceptional sound, we’re here to make your audio dreams a reality.
Ready to elevate your audio experience?
Call (02) 9427 6755
Email Sales@lenwallisaudio.com.au
Or visit us at 64 Burns Bay Road, Lane Cove, NSW, 2066
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