{"product_id":"oa-jc5-真空管ヘッドフォンアンプ","title":"[Event Day Only] OA-JC5 Vacuum Tube Headphone Amplifier","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n        table {\n            width: 100%;\n            border-collapse: collapse;\n            margin: 20px 0;\n        }\n        th, td {\n            border: 1px solid #dddddd;\n            text-align: left;\n            padding: 8px;\n        }\n        th {\n            background-color: #f2f2f2;\n        }\n        h5 {\n            margin: 0;\n        }\n    \u003c\/style\u003e\n\u003cp\u003e\u003cstrong\u003eA vacuum tube amplifier that evokes emotion with realistic midrange expression\u003c\/strong\u003e\u003cbr\u003eThe OA-JC5 is a hybrid headphone amplifier with a traditional 12AU7 vacuum tube in the pre-stage and 2SA1943 and 2SC5200 transistors in the post-stage.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e\u003cspan lang=\"EN-US\"\u003e◆\u003c\/span\u003e\u003c\/span\u003eIt provides rich, clear sound quality that combines the warmth unique to vacuum tubes with the precision of transistors. The soft glow of the filaments and the blue light of the LEDs deepen and enrich the music listening experience.\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e\u003cspan lang=\"EN-US\"\u003e◆\u003c\/span\u003e\u003c\/span\u003eBy using different circuit configurations for the front and rear stages, precise, noise-free signal amplification is achieved, realizing a rich and expansive sound that fully encompasses all the sound components of the music.\u003cbr\u003e\u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable\u003e\n\n\u003cthead\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eItem\u003c\/th\u003e\n\n\u003cth\u003eSpecification\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/thead\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\n\u003ctd\u003e10Hz-80KHz (+\/- 1dB)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eS\/N Ratio\u003c\/td\u003e\n\n\u003ctd\u003e90dB\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eTotal Harmonic Distortion + Noise\u003c\/td\u003e\n\n\u003ctd\u003e0.4% @1KHz\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eStereo Isolation\u003c\/td\u003e\n\n\u003ctd\u003e65dB @1KHz 32ohm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eMax Output Power\u003c\/td\u003e\n\n\u003ctd\u003e720mW @32ohm \/ 60mW @600ohm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eInput Sensitivity\u003c\/td\u003e\n\n\u003ctd\u003e500mV\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\n\u003ctd\u003e100K ohm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eOutput Impedance\u003c\/td\u003e\n\n\u003ctd\u003e\u0026lt; 1 ohm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eHeadphone Impedance\u003c\/td\u003e\n\n\u003ctd\u003e8-600 ohm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eGain\u003c\/td\u003e\n\n\u003ctd\u003e+12dB\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eAnalog Input Terminal\u003c\/td\u003e\n\n\u003ctd\u003eRCA\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eAnalog Output Terminal\u003c\/td\u003e\n\n\u003ctd\u003e6.35mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eVolume Control Type\u003c\/td\u003e\n\n\u003ctd\u003eAnalog\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eDimensions (mm)\u003c\/td\u003e\n\n\u003ctd\u003e125 x 100 x 70\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e*For the JOYCRAFT series, Oriolus has completed the audio circuit, and it is an assembly product where customers themselves attach the vacuum tubes to the sockets and assemble the frame.\u003cbr\u003e*The unit requires a separately sold AC adapter (DC20V) to operate. (PD-compatible AC adapter and USB-C cable are not included).\u003cbr\u003e*\u003cmeta charset=\"utf-8\"\u003e(Regarding warranty) Due to the nature of a DIY kit, the warranty is basically only for initial defects. Failures and damages caused by replacement or modification of vacuum tube parts are not covered.\u003c\/span\u003e\u003c\/p\u003e","brand":"Oriolus Japan","offers":[{"title":"OA-JC5","offer_id":43877004509283,"sku":null,"price":16500.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0019\/0074\/0707\/files\/DSC03595.jpg?v=1726644233","url":"https:\/\/audiopassion.jp\/en\/products\/oa-jc5-%e7%9c%9f%e7%a9%ba%e7%ae%a1%e3%83%98%e3%83%83%e3%83%89%e3%83%95%e3%82%a9%e3%83%b3%e3%82%a2%e3%83%b3%e3%83%97","provider":"Audio Passion Lounge | オリオラスジャパン公式ショップ","version":"1.0","type":"link"}