“… On the Police’s “Message in a Bottle,” this compact rig delivered exemplary punch and drive. The sound was immaculately clean and surgically precise. Peter Gabriel’s “The Rhythm of the Heat” offered fierce textural detail within a well-defined, reasonably sized soundstage. King Crimson’s In the Court of the Crimson King was positively chilling—its Mellotron soaring, its drums tumbling, its bass thrumming with weight. This was a top-to-bottom knockout system.” Ken Micallef, Sterophile magazine.

“The Hart Lab Tune Six, showcased at a recent demo in Stockholm, impressed attendees with its robust build quality and exceptional performance. This integrated amplifier, featuring a hybrid vacuum tube and MOSFET design, delivers music with natural warmth, neutrality, and dynamics. Its ability to handle diverse speaker loads effortlessly makes it a standout choice for audiophiles seeking a reliable and high-quality listening experience. Additionally, the Tune Six offers optional upgrades, including a phono stage, DAC, and streamer. These features transform it into a complete centerpiece for any high-end audio setup, ensuring versatility and long-term satisfaction for serious music enthusiasts.” Robert […]

“… They sounded especially good through hARt Lab amplification from Greece. I have the feeling we are going to hear more from hARt…” Alan Sircom, hi-fi+ magazine.