The ZOTL Ultralinear+ is the latest amplifier design by David Berning: the first ultralinear amplifier not limited by traditional output transformers.

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.

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

The Z40+ Integrated amplifier offers all the benefits of the output transformer-less ZOTL technology: three times the tube life and one third the heat. With startling realism, plentiful bass, low noise, and gorgeous mids and highs – the Z40+ Integrated amplifier is the perfect package.

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

ZOTL tube amplifiers are thoroughly modern in their design and approach. Audiophile sound that is neutral, natural sounding and accurate. Learn more about this technology.

The latest iteration of LTA's EL34-based amplifier, the ZOTL40 Reference includes a new chassis, component improvements, and is supplied with EL34s that take this 50 watt-per-channel amp to a new level.

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.

Linear Tube Audio is a high-fidelity audio manufacturing company on a mission to bring life back to music at an affordable price. Our amplifiers provide unparalleled accuracy and realism, putting you " in the room" of the original performance.

The best sounding audiophile tube headphone amps using cutting-edge vacuum tube technology. Sounds amazing with Focal, Audeze, ZMF, Dan Clark Audio, and more.