{"product_id":"bat-vk-31se-tube-preamplifier-1","title":"BAT VK-31SE Tube Preamplifier","description":"Featuring four 6H30 SuperTubes, a zero global feedback Unistage single-gain circuit, custom BAT SUPER-PAK oil capacitors, 5 inputs (2 XLR, 3 RCA), and a 140-step electronic attenuator (0.5dB steps), the Balanced Audio Technology VK-31SE is a reference tube preamplifier. Its high-current, dual-mono fully balanced topology passes audio through a single gain stage without buffers, ensuring maximum signal purity, low output impedance, and effortless amplifier drive.\n\nAudio critics praise the VK-31SE for its exceptionally quiet background, holographic 3D soundstage, and dynamic authority. Reviews in The Absolute Sound highlight its ability to blend classic tube warmth, rich vocal timbre, and organic midrange texture with solid-state speed, deep bass impact, and clarity. Listeners frequently note its grain-free presentation, allowing micro-details and ambient decay to emerge with natural realism.\n\nDesigned for discerning listeners seeking a reference line stage upgrade, the VK-31SE seamlessly bridges analytical resolution and soulful musicality. Its robust USA-built construction, dual power transformers, and purist signal path ensure long-term reliability while breathing fresh life into your audio setup. Adding this preamplifier to your system unlocks the full dynamic weight, emotional depth, and visceral realism of every recording.","brand":"BAT","offers":[{"title":"Default Title","offer_id":67601437458713,"sku":"100333","price":2099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0844\/4225\/1545\/files\/100333-4.jpg?v=1790723722","url":"https:\/\/tmraudio.com\/products\/bat-vk-31se-tube-preamplifier-1","provider":"The Music Room","version":"1.0","type":"link"}