{"product_id":"cayin-jazz-90","title":"Cayin Jazz 90","description":"\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCayin Jazz 90\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eVacuum Tube Integrated Amplifier\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Cayin Jazz 90 is a meticulously handcrafted vacuum tube integrated amplifier, designed for music lovers who demand soulful analog sound and modern-day versatility.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith its selectable operation modes (TR\/UL), user-selectable KT88\/EL34 power tube setup and in-house manufactured upgraded toroidal transformer, the Jazz 90 embodies the spirit of tube rolling and acoustic personalization—paying homage to classic tube design while embracing audiophile flexibility and reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/en.cayin.cn\/ueditor_temp\/php\/upload\/image\/20250813\/1755073071751539.png\" title=\"\" alt=\"图片7.png\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTube Configuration\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt the core of the Jazz 90 lies:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e· \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eInput Stage\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e: 2 × 12AX7 \/ ECC83\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e· \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDriver Stage\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e: 2 × 6SN7\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e· \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePower Stage\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e: 4 × KT88 (switchable to EL34)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese tubes are configured in a Class AB push-pull design, offering excellent drive and dynamic capabilities across a broad range of music genres. Users can also select between Triode and Ultralinear operating modes via a rear panel switch:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e· \u003c\/span\u003e\u003cspan\u003eTriode Mode: Rich, fluid midrange with natural harmonics—perfect for vocals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e· \u003c\/span\u003e\u003cspan\u003eUltralinear Mode: Powerful and controlled, delivering increased headroom and energy for orchestral and electronic material.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExternal bias adjustment and tube selection switches allow for easy tube rolling and fine-adjustment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr size=\"2\" width=\"100%\"\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBias Monitoring Indicator (BMI) \u0026amp; Protection\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTo ensure long-term performance and reliability, the Jazz 90 is equipped with a Bias Monitoring Indicator (BMI) system. It continuously monitors power tube status, and activates protection in case of abnormal current. If triggered, the amp will safely shut down, protecting both the tubes and circuitry.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBias adjustment is made intuitive with dedicated front-panel meters and top-mounted selectors for each power tube. This guarantees that bias levels remain within optimal range at all times.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr size=\"2\" width=\"100%\"\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBluetooth Connectivity\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIncorporating modern convenience, the Jazz 90 features Bluetooth 5.1 with a Qualcomm QCC5125 chipset and ESS ES9018K2M DAC—supporting high-resolution codecs including LDAC, aptX HD, aptX LL, AAC, and more.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr size=\"2\" width=\"100%\"\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFull Remote Control\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Jazz 90 comes with a full-function infrared remote that offers convenient control of volume, mute, and input selection—ensuring a relaxed and immersive listening experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr size=\"2\" width=\"100%\"\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInputs \u0026amp; Outputs\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e· \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eInputs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eo \u003c\/span\u003e\u003cspan\u003e1 × PHONO (MM)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eo \u003c\/span\u003e\u003cspan\u003e2 × LINE (RCA)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eo \u003c\/span\u003e\u003cspan\u003e1 × Bluetooth\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e· \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOutputs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eo \u003c\/span\u003e\u003cspan\u003eSpeaker terminals (4Ω, 8Ω)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eo \u003c\/span\u003e\u003cspan\u003e1 × Subwoofer Out (Full Frequency)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eo \u003c\/span\u003e\u003cspan\u003e1 × Headphone Jack (6.35mm)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr size=\"2\" width=\"100%\"\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConstruction \u0026amp; Design\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e· \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePoint-to-point hand wiring\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e· \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eUpgraded toroidal power transformer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, in-house developed\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e· \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDual-function analog meters\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for output monitoring and bias adjustment\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e· \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRemovable tube cage\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e· \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eElegant chassis\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with a minimalist yet vintage aesthetic\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e· \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMemory function\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to recall the last settings\u003c\/span\u003e\u003c\/p\u003e","brand":"Cayin","offers":[{"title":"Black \/ EL34","offer_id":52825720553765,"sku":null,"price":2449.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ KT88","offer_id":52833134870821,"sku":null,"price":2449.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ EL34","offer_id":52825720586533,"sku":null,"price":2449.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ KT88","offer_id":52833134903589,"sku":null,"price":2449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0906\/5054\/2373\/files\/Screenshot2026-07-21at2.07.29PM.png?v=1784657274","url":"https:\/\/fidelityfarmhifi.com\/products\/cayin-jazz-90","provider":"Fidelity Farm","version":"1.0","type":"link"}