{"product_id":"jc3","title":"OA-JC3 R2R USB DAC","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    \u003c\/style\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cmeta charset=\"utf-8\"\u003e \u003cb\u003eCompact, High-Precision Tube R2R DAC\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eThe OA-JC3 features a ladder-structure DAC, which, despite its simple principle, requires high manufacturing precision. After five years of development, it incorporates ultra-small modules with resistor error controlled to within 0.1%. It delivers high-precision audio quality, distinct from the widely used ΔΣ structure audio DACs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cspan lang=\"EN-US\"\u003e◆\u003c\/span\u003eThe amplification section uses 12AU7 vacuum tubes to enhance mid-range detail and produce a rich, smooth sound.\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cspan lang=\"EN-US\"\u003e◆\u003c\/span\u003eIt supports various modern audio codecs, enabling MQA full decode, PCM 32Bit\/768KHz, and DSD515 (PCM conversion) playback.\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cspan lang=\"EN-US\"\u003e◆\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eIts excellent circuit design ensures clean signal transmission and accurate dynamic range reproduction that accentuates each frequency band.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eSpecs\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\u003eDAC\u003c\/td\u003e\n\n\u003ctd\u003eR2R\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\n\u003ctd\u003e20Hz-20KHz (+\/- 2dB)\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\u003e83dB\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\u003ctr\u003e\n\n\u003ctd\u003eTHD+N\u003c\/td\u003e\n\n\u003ctd\u003e0.15% @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\u003e73dB @1kHz\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eMax Output\u003c\/td\u003e\n\n\u003ctd\u003e2V (rms)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eDigital Input Terminal\u003c\/td\u003e\n\n\u003ctd\u003eType-C\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\u003eRCA\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 dir=\"ltr\"\u003e\u003cspan\u003e*The JOYCRAFT series are assembly products where Oriolus has completed the audio circuit, and customers need to install the vacuum tubes into the sockets and assemble the frame themselves.\u003cbr\u003e*For the unit to operate, a separately sold AC adapter (DC20V) is required. (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 being a DIY kit, the warranty primarily covers initial defects only. Failures or damages caused by replacement or modification of vacuum tube parts are not covered.\u003cbr\u003e\u003ca href=\"https:\/\/drive.google.com\/drive\/u\/0\/folders\/1Z8vXGH4xjXNFI107_DTcTc2tsj60tiTP\" rel=\"noopener\" target=\"_blank\"\u003e※Windows USBAudio Driver Download Link\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Oriolus","offers":[{"title":"OA-JC3","offer_id":42805194784867,"sku":"","price":28600.0,"currency_code":"JPY","in_stock":false},{"title":"Pre-order","offer_id":42805194817635,"sku":"","price":28600.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0019\/0074\/0707\/files\/DSC03612.jpg?v=1726638576","url":"https:\/\/audiopassion.jp\/en\/products\/jc3","provider":"Audio Passion Lounge | オリオラスジャパン公式ショップ","version":"1.0","type":"link"}