{"product_id":"ea4-特別価格","title":"[Limited-time Offer] EA4","description":"\u003cp\u003e\u003cstrong\u003eLuxury \u0026amp; Precision's Circuit Technology x Purely Japanese Vacuum Tubes Rewrite History\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo commemorate the 10th anniversary of the LUXURY \u0026amp; PRECISION brand, the high-power portable tube amplifier \"EA4\" is finally here after approximately two years of development. *The worldwide limited edition EA4 Limited (99 units) will be available for pre-order and sale at Fujiya Avic, Nakano.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe unique functions brought by numerous discrete designs break new ground in personalized audio, a first in the industry, complementing all connection compatibilities.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e🔹 Precisely tuned tube preamplifier circuit to supply high voltage to the vacuum tube anode\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cmeta charset=\"utf-8\"\u003e🔹 Precise and ideal constant current source by discrete configuration\u003cbr\u003e🔹 Combinable dual mode of ILA\/ILH and four types of adjustments for two-stage gain input\/output stages\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e🔹 12 Panasonic film capacitors used for coupling of the tube preamplifier\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e🔹 Special linear regulator optimized for vacuum tube resonant frequency\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e🔹 CNC machined metal dual shield and protective cover equipped for the vacuum tube\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e🔹 Vibration suppression design: eight high-damping silicone buffers placed on both sides\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e🔹 Improved bandwidth characteristics with two independent high-power positive and negative power supplies\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e🔹 For power filtering of the discrete headphone amplifier circuit, 16 Nichicon 10x12.5mm audio-grade aluminum electrolytic capacitors are used\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e🔹 Headphone amplifier power supply voltage can be selected between ±13V and ±15V\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e🔹 Equipped with six Panasonic 18650 low internal resistance battery cells\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e🔹 Internal resistance difference between cells adjusted to less than 0.5 milliohms\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e🔹 Eight TO252 package power transistors used in the discrete headphone amplifier circuit\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e🔹 Low-temperature drift alloy used for the emitters of large transistors, and 24 resistors with 250mW\/0.5% precision adopted\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e🔹 Switchable from Class AB to Class A, with 11 levels of static current adjustment\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e🔹 Switchable between pure tube preamplifier mode and tube preamplifier + discrete mode\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e🔹 Volume design and control potentiometer follow and surpass the LP6Ti 7Anv\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e🔹 Balanced output per channel: 6800mW at 32Ω, 1200mW at 300Ω\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e🔶 Special article \"Evolution of the EA4 to a New Dimension\" is \u003ca href=\"https:\/\/cyras.myshopify.com\/blogs\/luxury-precision\/ea4blog\" rel=\"noopener\" target=\"_blank\"\u003ehere\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e*Pre-order indicates a reservation.\u003c\/span\u003e\u003c\/p\u003e","brand":"Oriolus Japan","offers":[{"title":"EA4","offer_id":44032728236131,"sku":null,"price":446000.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0019\/0074\/0707\/files\/EA4_VGP2026.png?v=1764044725","url":"https:\/\/audiopassion.jp\/en\/products\/ea4-%e7%89%b9%e5%88%a5%e4%be%a1%e6%a0%bc","provider":"Audio Passion Lounge | オリオラスジャパン公式ショップ","version":"1.0","type":"link"}