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Founded in 2017 in Southport, Connecticut, Treehaus Audiolab is a boutique audio equipment company run by Rich Pinto and Radu Tarta, with Radu handling electronics and tube amplification design while Rich focuses on speaker and chassis design. The company emerged from 'close friends on a quest for simply best sound' who 'suffer from Audio Mania,' seeking the pursuit of best sound through inspiration from technology's golden ages worldwide. Specializing in bespoke field coil high-efficiency full-range speakers and single-ended thermionic tube amplifiers, Treehaus creates handcrafted audio components built around world-renowned drivers by Atelier Rullit, utilizing vintage Klangfilm-era cores through meticulous rebuild processes. Their flagship Phantom of Luxury speakers ($29,000/pair) feature unique open baffle designs with large live-edge wood slabs from salvaged walnut, box elder, and elm, measuring approximately 30 by 50 inches as Mid-century modern art pieces. Their amplifier lineup includes 300B SET amplifiers and A/Machines Monoblocks ($39,000/pair) built with Japanese Finemet-Core signal transformers, designed in Kinsuido or A/Machines styles. The company also produces TVC-based preamplifiers ($16,000) utilizing 4P1L tubes and Finemet TVC technology. Treehaus Audiolab has gained recognition at audio shows and received positive reviews from Stereophile, Positive Feedback, and audiophile publications for their craftsmanship combining natural materials with precise handiwork.