{"product_id":"laiv-crescendo-beat-dual-rail-linear-netzteil","title":"Laiv Crescendo BEAT – Dual-Rail Linear Power Supply","description":"\u003cp\u003e\u003cstrong\u003eAvailable for pre-order. Delivery September–October 2026.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0561\/0304\/3261\/files\/LaivCrescendoBEAT-04.webp?v=1787313107\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003eCrescendo BEAT – The quiet pulse of your audio chain.\u003c\/h2\u003e\n\u003cp\u003eTrue linear power supply with two simultaneously active voltage rails.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTrue dual-rail linear power supply:\u003c\/b\u003e Two fixed outputs that are active simultaneously (15V \/ 2A and 5V \/ 3A). No switching or power sharing required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eClassic linear design:\u003c\/b\u003e 70 VA toroidal transformer, Schottky rectification, and a total filtering capacity of 17,990 µF – without high-frequency switching noise (0 Hz switching frequency).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTwo-stage voltage regulation:\u003c\/b\u003e Each rail is regulated in cascade. The first stage filters out coarse residual ripple and load fluctuations; the second stage minimizes the remaining noise.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eComprehensive protection circuits:\u003c\/b\u003e Integrated protection against overcurrent, overvoltage, overheating, and short circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePassively cooled:\u003c\/b\u003e Fanless aluminum enclosure (2.33 kg) for silent operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eWhy linear power matters\u003c\/h2\u003e\n\u003cp\u003eA linear power supply operates significantly more quietly than a switching power supply because it does not chop the mains voltage at high frequency in the first place. Switching power supplies are ubiquitous because they are inexpensive to manufacture – not because they are quiet.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0561\/0304\/3261\/files\/laiv-crescendo-beat-system-stack.avif?v=1787312841\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0561\/0304\/3261\/files\/02_e8e74fe7-c608-431a-b39e-42b1c0a0e23c.jpg?v=1787312842\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eA toroidal transformer, precision rectification, generous filtering, and two-stage linear regulation provide power that is as smooth as a perfectly still water surface. This allows your components to reveal, without distortion, what is truly present in the music.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eTwo rails. Both continuously powered.\u003c\/h2\u003e\n\u003cp\u003eThe Crescendo BEAT powers two components in parallel: a 15V output at 2A and a 5V output at 3A – both active simultaneously. Each voltage is fixed rather than variable. A deliberate choice: a rail designed for exactly one voltage delivers it at the highest possible quality.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0561\/0304\/3261\/files\/d91e0f_1115e88279ca432bbc1667398439fb28_mv2_1.png?v=1787312845\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0561\/0304\/3261\/files\/03_4255c7d7-16a0-463e-9abb-eb364a4ab381.jpg?v=1787312843\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003e5V rail · 3A\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003e15V rail · 2A\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eDual-regulated – so interference never gets through in the first place\u003c\/h2\u003e\n\u003cp\u003eThe first stage receives the rectified raw voltage, filters out mains hum and load fluctuations, and passes the cleaned-up rail to the second, particularly low-noise stage for the final refinement. Both stages reinforce each other’s interference rejection. Noise that gets through the first stage is stopped by the second.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0561\/0304\/3261\/files\/d91e0f_7dfcef5788be4a95858e0518b8b3844a_mv2.png?v=1787312846\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0561\/0304\/3261\/files\/04_b9927ca8-4f27-4529-b0d3-c9c78a049284.jpg?v=1787312842\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003eFirst stage\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003eSecond stage\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eClassically built—with absolute conviction\u003c\/h2\u003e\n\u003cp\u003eA 70 VA toroidal transformer, Schottky rectification, nearly 18,000 µF of filtering capacitance, and 2-stage linear regulation. No fans, no compromises. The solid aluminum housing remains completely silent and cool during operation.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0561\/0304\/3261\/files\/laiv-crescendo-beat-internal-top-view.avif?v=1787312843\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0561\/0304\/3261\/files\/05_19060fa7-d762-4bcf-affb-462f5127b6a2.jpg?v=1787312842\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eIntegrated protection circuits reliably protect against overcurrent, overvoltage, overheating, and short circuits. A voltage selector on the underside allows the mains voltage to be switched flexibly between 100–127 V and 220–240 V—suitable for any location.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eQuiet—and honestly measured\u003c\/h2\u003e\n\u003cp\u003eOutput noise is a maximum of 10 µVrms with no load and remains at no more than 50 µVrms even under full load—with interference rejection of over 82 dB. We state both values transparently because real audio systems work this way: Your devices demand real power, and the BEAT delivers it effortlessly and quietly.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0561\/0304\/3261\/files\/06_f9229bd5-44b5-44d1-aa58-6d43eb36d8da.jpg?v=1787312842\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical data\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eOutputs\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e15 V @ 2 A \/ 5 V @ 3 A (active simultaneously)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eConnections (DC)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.5 \/ 2.1 mm (5 V) · 5.5 \/ 2.5 mm (15 V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eOutput noise\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cspan class=\"math-inline\"\u003e$\\le 10\\ \\mu\\text{V}_\\text{rms}$\u003c\/span\u003e (without load) · \u003cspan class=\"math-inline\"\u003e$\\le 50\\ \\mu\\text{V}_\\text{rms}$\u003c\/span\u003e (under full load)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eRipple rejection (PSRR)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cspan class=\"math-inline\"\u003e$\u0026gt; 82\\text{ dB}$\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eTransformer\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e70 VA toroidal transformer (single core)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eFiltering capacitance\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e17,990 µF total\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eRectification \u0026amp; regulation\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSchottky diodes · 2-stage linear regulation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003ePower input\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100–127 V \/ 220–240 V switchable (50\/60 Hz, IEC C14, T2A fuse)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003ePower consumption (idle)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.3 W at 230 V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eDimensions \u0026amp; weight\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e168 × 167 × 70 mm · 2.33 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eHousing \/ colors\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAluminum (fanless) · Black or silver\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eWarranty\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 years\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch2\u003eScope of delivery\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCrescendo BEAT linear power supply\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIEC power cord (Power cord)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1× DC cable (DC 5.5\/2.1 mm to DC 5.5\/2.1 mm, 50 cm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1× DC cable (DC 5.5\/2.5 mm to DC 5.5\/2.5 mm, 50 cm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuick-Start Guide (Welcome Card)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Audio Essence","offers":[{"title":"Black","offer_id":56862409458050,"sku":null,"price":499.0,"currency_code":"CHF","in_stock":true},{"title":"Silver","offer_id":56862409490818,"sku":null,"price":499.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/0304\/3261\/files\/LaivCrescendoBEAT-000.webp?v=1787313513","url":"https:\/\/audioessence.ch\/en\/products\/laiv-crescendo-beat-dual-rail-linear-power-supply","provider":"Audio Essence","version":"1.0","type":"link"}