High-fidelity, low-maintenance modern tube amplifiers & DACs that deliver audio excellence beyond their price. Crafted and supported by passionate music-lovers in Takoma Park, Maryland.

Audiophile vacuum tube preamps made with cutting-edge modern tech from David Berning. The best sounding tube preamplifiers available with crisp detail and natural sound.

Vacuum Tube Amplifiers made with cutting-edge modern technology from David Berning. The best sounding integrated, ultralinear and monoblock amplifiers available.

ZOTL technology involves a linear amplification process using a carrier frequency as well as not having a traditional audio output transformer, instead using air-core Impedance Converters.

High-fidelity tube integrated amplifiers that provide unparalleled clarity & realism. Hand made in Takoma Park, Maryland.

“ The ZOTL40 Reference manages to tip-toe the line between a classic tube sound, and a modern, solid-state A/B amplifier; and does so while being dead silent.

Linear Tube Audio's headphone amplifiers are designed to deliver exceptional sound quality, performance, and value. Our innovative ZOTL technology ensures that each of our headphone amps …

You are in the music, forgetting about your gear. Our unique design also provide 3 times the tube life and 1/3 the heat of all other conventional tube amplifiers. The tubes provide a warm sound, without …

This improved coherency and accuracy across the audio band ensures tonal balance and bass authority. Additionally, improving the grounding scheme resulted in our quietest preamplifier yet—a …

Its ZOTL architecture paid real sonic dividends -- the sound was tonally neutral, linear at the extreme high and low ends of the audioband, and boasted a holographic midrange for which some …