{"product_id":"linear-tube-audio-microzotl-preamplifier-level-2-upgrade","title":"Linear Tube Audio MicroZOTL Preamplifier; Level 2 Upgrade","description":"Linear Tube Audio MicroZOTL Preamplifier; Level 2 Upgrade specifications feature David Berning's patented ZOTL Class A push-pull architecture, 12AT7 driver and 6SN7 output tubes, premium Clarity CMR output capacitors, Mundorf Mlytic AG power supply capacitors adding 22,000uF storage, transformer-coupled XLR inputs, multiple RCA inputs, tape loop, home theater bypass, and a 1\/4\" headphone output. Built around transformerless circuit topology, this preamplifier eliminates traditional output transformers to deliver ultimate signal purity and speed. The Level 2 upgrade optimizes headphone and preamp outputs into separate signal paths, incorporates a custom low-noise power transformer, and adds an adjustable gain control system for precise volume attenuation.\n\nReviews consistently praise the MicroZOTL Level 2 for its breathtaking transparency, pitch-black background, and holographic three-dimensional soundstage. Audiophile reviewers highlight its ability to deliver rich tonal warmth, vivid harmonic textures, and lifelike instrument timbre without adding unwanted tube coloration or noise. Critics note that the Level 2 enhancements bring noticeably punchier bass response, a silkier high-frequency extension, and pinpoint dynamic resolution across all listening levels.\n\nBy eliminating traditional tube-amp veil while maintaining realistic harmonic depth, this handcrafted preamplifier preserves the raw emotion and finest micro-details of every recording. Integrating this component into your high-end system unlocks a rare combination of tube liquidity and solid-state precision, offering a musical clarity that transforms daily listening into a reference-grade performance.","brand":"Linear Tube Audio","offers":[{"title":"Default Title","offer_id":67662324269337,"sku":"100670","price":3316.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0844\/4225\/1545\/files\/100670-8.jpg?v=1794436079","url":"https:\/\/tmraudio.com\/products\/linear-tube-audio-microzotl-preamplifier-level-2-upgrade","provider":"The Music Room","version":"1.0","type":"link"}