Founded in 2015 by engineer and audiophile Mark Schneider, Linear Tube Audio builds high-fidelity tube amplifiers and DACs by hand in its Takoma Park, Maryland workshop. Its designs center on David Berning’s patented ZOTL technology, pairing tube naturalness with the clarity and control associated with solid-state audio. LTA’s equipment is built to order, extensively tested, and burn-in tested for a full week before shipment.
Roon Tested
Rogue Audio, IncFrom its factory in Brodheadsville, Pennsylvania, Rogue Audio designs and hand-builds vacuum-tube amplifiers and related high-end audio equipment. Founded on the idea that serious amplifier performance should remain affordable, the company develops its electronics in-house and hand assembles and tests each product in the United States. Its lineup includes the long-running Cronus and Sphinx integrated amplifiers alongside phono and headphone components.BRODHEADSVILLE, PA
MarantzFor nearly 70 years, Marantz has designed and made high-fidelity audio equipment, from amplifiers to home-theater components, with a distinctive blend of artisanal craftsmanship and modern networked sound. Founded around Saul Marantz’s pioneering work in Hi-Fi amplification, the brand has maintained a manufacturing home at Shirakawa Audio Works since 2002 and now operates under Harman International.CARLSBAD, CA
Lightning Boy AudioEstablished in 2011 by Mike Congilosi II, Lightning Boy Audio designs and hand-crafts audio transformers and studio equipment in North Collins, New York. The company grew from Congilosi’s early vacuum-tube studio gear and pedals into a transformer-focused operation, with manufacturing, testing, and R&D conducted in its own laboratory. Its equipment is built in the USA around a longstanding interest in high-fidelity sound, tube character, and careful noise performance.NORTH COLLINS, NY
Bache AudioBache Audio is a small Brooklyn company that handcrafts high-fidelity speakers and single-ended amplifiers, an effort that began when founder Greg Belman built audio equipment for his own listening. Its designs favor wide-band drivers, quasi-coaxial alignment, and straightforward circuitry, while custom finishes and made-to-order builds let listeners tailor speakers to their rooms. A Brooklyn listening room offers customers the chance to hear the speakers before buying.BROOKLYN, NY