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Linear Tube Audio MICROZOTL Pre Amplifier Rare opportunity to acquire a truly superb (possibly unsurpassed) preamp at significant savings. First owner, purchased directly from LTA as a result of being blown away with its smaller predecessor, the mid-sized Microzotl MZ2 (preamp/integrated amp/ headphone amp) which to my astonishment outclassed in my (same) system an array of some highly esteemed preamps (incl. Prima Luna Evo 400, Consonance Linear 1, Audio Research Ref 1 & Ref 3). This full-sized unit (being a preamp/headphone amp only) discernibly renders even higher level of refinement.
At A$5,900, this used Linear Tube Audio MICROZOTL sits just below the 75th percentile of A$6,080 but remains slightly above the median of A$4,597 for recent AUD listings, making it a fair, not ambitious, price for a well-maintained unit. While it trails the current Level 3 retail of roughly A$5,950, buying used here avoids new-unit wait times and offers immediate access to LTA’s revered pure Class-A, no-feedback design that delivers exceptional inner resolution and imaging.
This is a worthwhile buy for enthusiasts seeking a Maryland-crafted preamp that excels with high-efficiency horns, tweeter amps, and high-impedance headphones, thanks to its incredibly low output impedance and Lundahl transformer-coupled XLR input. The upside lies in securing a top-tier tube preamp at a value that respects the original owner’s investment; unless the listing notes missing tubes, questionable condition, or no accessories, treat this as a solid opportunity rather than a risky gamble.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Linear Tube Audio is an American hi-fi brand founded in 2015 by Mark Schneider, with roots in the long-running engineering work of David Berning and the ZOTL tube-amplifier technology the company builds around. It is based in Maryland and presents itself as a hand-built U.S. manufacturer focused on specialist two-channel audio rather than mass-market consumer electronics.
Its core product line centers on vacuum-tube amplifiers, especially integrated amps, headphone amps, and preamps; the brand is also associated with its ZOTL-based designs, which are a signature part of its identity. Linear Tube Audio is not known as a maker of speakers, turntables, DACs, or cables, and its catalog remains relatively focused compared with broader hi-fi brands.
In the market, Linear Tube Audio sits in the high-end boutique segment. It is best regarded as a niche enthusiast brand for buyers who value tube amplification, careful hand assembly, and technically distinctive design over mainstream scale or broad product breadth.
See all Linear Tube Audio listings on RADAR.
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