Unleash the full potential of your music with the Audio Research i50 Integrated Amplifier, a masterpiece of craftsmanship and sonic innovation. Hand-built in Minnesota, this amplifier marks the dawn of a new era for Audio Research, blending timeless vacuum tube technology with modern versatility. Delivering 50 watts per channel, the Audio Research i50 Integrated Amplifier drives a wide range of speakers with ease, making it an ideal centerpiece for audiophiles and casual listeners alike. Available at Len Wallis Audio, it’s more than just an amplifier—it’s a gateway to a sublime hi-fi audio experience.

Why Choose the Audio Research i50 Integrated Amplifier?

The Audio Research i50 Integrated Amplifier redefines what an integrated amplifier can be. Its all-vacuum tube design, featuring two matched pairs of 6550WE tubes and three 6922 tubes, delivers rich, dynamic sound with exceptional clarity. Modular options like the Phono Stage and forthcoming D/A Converter make it adaptable to any home sound system, from vinyl setups to digital streaming. With a high-current design, it tackles challenging speaker loads effortlessly, ensuring a captivating soundstage for your home theatre or stereo system. Plus, its Cerakote finish—available in six vibrant colours—adds a touch of elegance to its robust performance.

Technical Specifications

• Power Output: 50 watts continuous (20Hz–20kHz); 1% THD at 1kHz, <0.1% at 1 watt
• Power Bandwidth: 10Hz–22kHz (-3dB)
• Frequency Response: 7Hz–30kHz (-3dB at 1 watt)
• Input Sensitivity: 1.25V RMS for rated output
• Input Impedance: 100k ohms (balanced), 48k ohms (single-ended)
• Output Taps: 4 ohms, 8 ohms
• Dimensions: 420 mm (W) x 180 mm (H) x 340 mm (D)
• Weight: 18.1 kg (40 lbs); 23.1 kg shipping
• Tubes: 2 matched pairs 6550WE, 3 6922 (1 input, 2 driver)
• Power Requirements: 105–130VAC 60Hz (252 watts at rated output)