The Audio Research Reference 80S Power Amplifier, available at Len Wallis Audio, offers the renowned performance of Audio Research’s Reference series in a compact, stereo chassis. Crafted in the USA, this vacuum-tube amplifier features four KT150 tubes, delivering 70W per channel in Ultralinear mode or 35W in Triode mode.

With balanced and single-ended inputs, a proprietary auto-bias circuit, and GhostMeters™ for visual elegance, it’s ideal for audiophiles seeking refined sound for hi-fi systems.

Why Choose the Audio Research Reference 80S Power Amplifier?

The Audio Research Reference 80S Power Amplifier delivers 70W per channel for dynamic, detailed audio. GhostMeters™ offer elegant output monitoring with a modern aesthetic.

Switchable Triode and Ultralinear modes provide flexible sound tuning for varied listening preferences.

The auto-bias circuit ensures consistent tube performance and extended durability. A four-layer circuit board minimizes noise for a jet-black audio background, enhancing clarity.

Praised by What Hi-Fi? for its “rich, expressive sound”, outperforms many of its rivals.

Book an audition in advance at our Lane Cove showroom, pending availability, and let our team guide you through the difference this product makes and how it can elevate your listening experience.

With a sleek, robust design, the Audio Research Reference 80S Power Amplifier blends classic tube warmth with modern engineering.

Ideal for audiophiles, this amplifier delivers vibrant, lifelike sound with exceptional detail.

Secure the Audio Research Reference 80S Power Amplifier at Len Wallis Audio, where our experts help you craft the perfect audio solution. This product is ordered on demand; our sales team will advise on estimated arrival time after order confirmation.

Visit our contact page to book an audition today.

Technical Specifications

• Product Type: Stereo Tube Power Amplifier (Brand-New, Ordered on Demand)
• Power Output: 70W per channel (8 ohms, Ultralinear), 35W per channel (Triode), 20Hz–20kHz
• Tubes: 4x KT150 (output), 2x 6H30 (input/driver)
• Frequency Response: 0.7Hz–94kHz (-3dB at 1W)
• Total Harmonic Distortion (THD): 1% at 70W, <0.03% at 1W
• Input Sensitivity: 1.6V RMS (Balanced, for rated output), 26dB gain into 8 ohms
• Inputs: 1x XLR (balanced), 1x RCA (single-ended)
• Outputs: 4, 8, 16-ohm taps (5-way binding posts)
• Features: Auto-bias circuit, output tube monitoring, switchable Triode/Ultralinear modes, GhostMeters™
• Power Bandwidth: 5Hz–70kHz (-3dB)
• Power Consumption: 330W at rated output, 210W idle, 1W off
• Dimensions (WxHxD): 483mm x 179mm x 495mm (19″ x 7″ x 19.5″), 527mm (20.75″) with handles
• Weight: 28.6kg (63 lbs)
• Applications: Hi-fi, home cinema, high-end audio systems
• Manufacturing: Designed and crafted by Audio Research, USA

Read the review here here.

Elevate your audio setup with the Audio Research Reference 80S Power Amplifier at Len Wallis Audio. Explore our collection here or contact our expert sales team to experience the Audio Research Reference 80S Power Amplifier at Len Wallis Audio.

Len Wallis Audio Excellence Promise

Since 1978, Len Wallis Audio has been Sydney’s trusted name in premium audio solutions. Our team is ready to guide you in selecting the Audio Research Reference 80S Power Amplifier for your hi-fi setup.

Our experts offer tailored advice for immersive audio systems. Book an audition in advance at our Lane Cove showroom, pending availability, and let our team guide you through the difference this product makes and how it can elevate your listening experience. This product is ordered on demand; our sales team will advise on estimated arrival time after order confirmation. Discover the Audio Research Reference 80S Power Amplifier at Len Wallis Audio for exceptional performance and Audio Research’s renowned innovation. Visit our contact page to book your audition today.

Discover the Audio Research Reference 80S Power Amplifier at Len Wallis Audio. We make your audio journey effortless and rewarding. Discover why the Audio Research Reference 80S Power Amplifier is a favourite among Hi-Fi connoisseurs.

Ready to transform your audio setup with the Audio Research Reference 80S Power Amplifier?

Call (02) 9427 6755
Email Sales@lenwallisaudio.com.au
Or visit us at 64 Burns Bay Road, Lane Cove, NSW, 2066