{"product_id":"cayin-soul-170p-flagship-class-a-push-pull-kt170-tube-power-amplifier","title":"Cayin Soul 170P Flagship Class A Push-pull KT170 Tube Power Amplifier","description":"\n\u003ch2\u003eCayin Soul 170P Class A KT170 Tube Power Amplifier\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eCayin Soul 170P\u003c\/strong\u003e combines over 32 years of Cayin's vacuum tube expertise with a powerful Class A push-pull design. Featuring four \u003cstrong\u003eTUNG-SOL KT170 power tubes\u003c\/strong\u003e, it delivers rich musicality, natural detail, and impressive dynamics.\u003c\/p\u003e\n\n\u003cp\u003eAs the first Class A amplifier in Cayin's Soul Series, the Soul 170P offers selectable Stereo and Mono operation, adjustable negative feedback, and Dynamic Auto Bias for outstanding performance and flexibility.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass A Push-Pull Design:\u003c\/strong\u003e Four TUNG-SOL KT170 power tubes deliver natural, dynamic sound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStereo \u0026amp; Mono Modes:\u003c\/strong\u003e 60W per channel in Stereo or 120W in Mono (Ultralinear).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Negative Feedback:\u003c\/strong\u003e High and Low settings for personalized sound tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Auto Bias:\u003c\/strong\u003e Automatically regulates power tube operation without manual adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint-to-Point Wiring:\u003c\/strong\u003e Hand-assembled construction minimizes signal interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Transformers:\u003c\/strong\u003e Custom toroidal power transformer and wide-band EI output transformers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Protection:\u003c\/strong\u003e 60-second soft-start, MCU protection, and tube fault monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Connectivity:\u003c\/strong\u003e Balanced XLR and RCA inputs with 4Ω and 8Ω speaker outputs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePremium Vacuum Tube Configuration\u003c\/h3\u003e\n\u003cp\u003eThe Soul 170P features a carefully selected tube complement for musicality, clarity, and reliable performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 × TUNG-SOL KT170:\u003c\/strong\u003e Class A push-pull power amplification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 × JJ 12AU7:\u003c\/strong\u003e Low-noise voltage amplification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 × JJ 6SN7:\u003c\/strong\u003e Driver stage for precise, dynamic performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 × 17AX4GT:\u003c\/strong\u003e Rectifier tube supplying stable DC voltage to the driver stage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eStereo \u0026amp; Mono Operation\u003c\/h3\u003e\n\u003cp\u003eThe Soul 170P supports two operating modes to accommodate different speaker and system requirements.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStereo Mode:\u003c\/strong\u003e 60W × 2 (Ultralinear)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Mode:\u003c\/strong\u003e 120W (Ultralinear)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA secure rear-panel switch allows easy selection between Stereo and Mono configurations.\u003c\/p\u003e\n\n\u003ch3\u003eSelectable Negative Feedback\u003c\/h3\u003e\n\u003cp\u003eTwo negative feedback (NFB) settings allow users to adjust the amplifier's sound character.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow NFB:\u003c\/strong\u003e More open, spacious, and expressive sound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh NFB:\u003c\/strong\u003e Tighter control, greater precision, and improved focus.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDynamic Auto Bias\u003c\/h3\u003e\n\u003cp\u003eThe integrated Dynamic Auto Bias servo circuit automatically regulates each KT170 power tube, eliminating manual bias adjustments while supporting consistent performance, operational safety, and tube longevity.\u003c\/p\u003e\n\n\u003ch3\u003ePremium Construction\u003c\/h3\u003e\n\u003cp\u003eHand-assembled point-to-point wiring and carefully selected components help minimize interference and preserve signal integrity.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSilver-plated internal wiring\u003c\/li\u003e\n\u003cli\u003eCustom-wound toroidal power transformer\u003c\/li\u003e\n\u003cli\u003eWide-band EI output transformers\u003c\/li\u003e\n\u003cli\u003eAluminum alloy anti-resonance feet\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIntelligent Protection\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e60-second tube soft-start circuit\u003c\/li\u003e\n\u003cli\u003eMCU-controlled protection system\u003c\/li\u003e\n\u003cli\u003eBMI indicators for power tube fault detection\u003c\/li\u003e\n\u003cli\u003eAutomatic safety protection during abnormal operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCayin Soul 170P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmplifier Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass A Vacuum Tube Power Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTopology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePush-Pull\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Tubes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 × TUNG-SOL KT170\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Amplification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 × JJ 12AU7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDriver Tubes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 × JJ 6SN7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRectifier Tube\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × 17AX4GT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStereo Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60W × 2 (Ultralinear)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMono Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120W (Ultralinear)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNegative Feedback\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh \/ Low Selectable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBias\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDynamic Auto Bias\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × XLR, 1 × RCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeaker Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4Ω \/ 8Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHand-Assembled Point-to-Point Wiring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"MusicTeck","offers":[{"title":"Default Title","offer_id":67527260111138,"sku":null,"price":6499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0888\/2348\/files\/1755071256573868_54e49086-8549-449e-bff6-83fe02ece5db.png?v=1792011106","url":"https:\/\/shop.musicteck.com\/products\/cayin-soul-170p-flagship-class-a-push-pull-kt170-tube-power-amplifier","provider":"MusicTeck","version":"1.0","type":"link"}