The i/70 is designed for the discerning listener who values musicality and emotional connection over raw specifications, yet refuses to compromise on technical excellence. If you find yourself listening through entire albums rather than skipping tracks, if you can hear the difference between a well-mastered recording and a compressed file, and if you believe your system should reveal the artist's intent rather than impose its own character, this amplifier deserves your attention. This is for someone ready to experience what properly implemented vacuum tube technology can bring to their listening sessions.
With 70 watts per channel, the i/70 confidently drives speakers rated between 87-92dB sensitivity in small to medium-sized rooms up to approximately 400 square feet. It pairs beautifully with high-quality bookshelf monitors or medium-sized floor-standing speakers, making it ideal for dedicated listening rooms, sophisticated living spaces, or well-appointed home offices where music matters. The amplifier handles complex orchestral passages, intimate jazz trios, and dynamic rock recordings with equal composure, provided your speakers present a reasonably benign impedance curve.
This integrated amplifier serves as the natural centerpiece for a refined two-channel system, eliminating the need for separate preamplification while maintaining Audio Research's legendary signal purity. Whether you're upgrading from solid-state amplification and curious about tubes, or you're an existing tube enthusiast seeking Audio Research's particular combination of warmth and transparency, the i/70 offers multiple inputs for your sources and a dedicated headphone output for private listening. It's the complete amplification solution for someone building a serious, enduring system rather than chasing the next upgrade.
