{"product_id":"cayin-pearl-30d-d-a-converter","title":"Cayin Pearl 30d D\/A Converter","description":"\u003cp\u003e\u003cspan\u003eIn honor of Cayin's 30th anniversary, the Pearl series has been released. Pure high-end. The series consists of an integrated amplifier Pearl 30i, a separate DAC Pearl 30d and a CD Transport Pearl 30c. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAll consist of dual housing in which the power supply is separate from the main unit. This represents the top end and technology in the Cayin product family.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDecoding System:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Pearl 30d has two different hardware architectures to form two decoding systems, which are Classic decoding system and Modern decoding system.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eClassic Mode:\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith Classic decoding system Pearl 30d is using one TDA1307 + two TDA1547 architecture, and TDA1547 always works in MONO mode to form a fully balanced \u003c\/span\u003e\u003cspan\u003edifferential circuitry. In this mode Pearl 30d has a retro sound signature.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWorking in current output mode, combined with independently designed external amplifier circuitry to achieve I\/V conversion Classic Mode of Pearl 30d \u003c\/span\u003e\u003cspan\u003ehas an enhanced audio performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSpecialized circuit design to achieve PCM\/DSD dual-format decoding with built-in PCM and DSD gain compensation circuit. PCM signal takes the TDA1307 \u003c\/span\u003e\u003cspan\u003eand 2xTDA1547 path while DSD signal goes through the 2xTDA1547 path.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eModern Mode:\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith Modern decoding System Pearl 30d is using 8 pieces of ESS's current flagship DAC ES9039SPRO, operating in MONO Mode multi-channel paralleled. Each channel takes \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e4 pieces to form a Matrix DAC architecture with strong audio current output, greater dynamics, lower noise, and stronger driving force.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eI\/V conversion circuit is combined by discrete components working in Class A mode with dynamic and high current characteristics to ensure that the analog signal density after conversion.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTwo pieces of special aluminum heat sink for the DAC architecture. Four pieces of ES9039SPRO on one channel share one heat sink for high thermal efficiency to ensure the \u003c\/span\u003e\u003cspan\u003econsistency of the output current signal and the output quality of analog signal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHigh-specification PCM\/DSD dual-format decoding, support for 768kHz and DSD512 digital audio signals.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAuto Mode:\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTwo different hardware architecture decoding systems can be optionally activated and adjusted according to the audio signal format. At the same time, \u003c\/span\u003e\u003cspan\u003ean auto mode is available and Pearl 30d recognizes the parameters of the digital audio signal format in order to automatically select the appropriate decoding system.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr class=\"ue-table-interlace-color-single firstRow\"\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e\u003cstrong\u003eAudio Signal Format\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e\u003cstrong\u003e      AUTO      \u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"ue-table-interlace-color-double\"\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e44.1kHz\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e\u003cstrong\u003e      \u003c\/strong\u003eClassic\u003cstrong\u003e      \u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"ue-table-interlace-color-single\"\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e48kHz\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e\u003cstrong\u003e      \u003c\/strong\u003eClassic\u003cstrong\u003e      \u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"ue-table-interlace-color-double\"\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e88.2\/176.4\/352.8k\/705.6kHz       \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e\u003cstrong\u003e      \u003c\/strong\u003eModern\u003cstrong\u003e      \u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"ue-table-interlace-color-single\"\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e96\/192\/384\/768kHz\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e\u003cstrong\u003e      \u003c\/strong\u003eModern\u003cstrong\u003e      \u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"ue-table-interlace-color-double\"\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003eDSD64\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e\u003cstrong\u003e      \u003c\/strong\u003eClassic\u003cstrong\u003e      \u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"ue-table-interlace-color-single\"\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003eDSD128\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e\u003cstrong\u003e      \u003c\/strong\u003eClassic\u003cstrong\u003e      \u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"ue-table-interlace-color-double\"\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003eDSD256\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e\u003cstrong\u003e      \u003c\/strong\u003eModern\u003cstrong\u003e      \u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"ue-table-interlace-color-single\"\u003e\n\u003ctd rowspan=\"1\" colspan=\"1\" valign=\"top\"\u003e\u003cspan\u003eDSD512\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"1\" valign=\"top\"\u003e\u003cspan\u003e\u003cstrong\u003e      \u003c\/strong\u003eModern\u003cstrong\u003e      \u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eUltra Low Phase Noise Synchronized Clock Source\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExtremely low phase noise and high frequency stability thermostatic crystal (OCXO, 10MHz), to provide a reference frequency.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExtremely low phase noise multi-channel synchronized clock generator will generate clock frequency of Digital Circuit and other different \u003c\/span\u003e\u003cspan\u003efunctional circuit out of the reference frequency and provide synchronized clocks for different circuits and instruments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePearl 30d uses ultra-low loss, stable impedance matching (50 ohms) RF coaxial cable for Clock signal transmission, reducing clock \u003c\/span\u003e\u003cspan\u003esignal loss and waveform distortion to ensure the clock quality and suppress jitter.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eS\u003c\/strong\u003e\u003cstrong\u003eynchronized \u003c\/strong\u003e\u003cstrong\u003eClock Out and In\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePearl 30D has an external reference clock input interface (10 MHz), a synchronous clock output interface that can be connected to an external clock or used as a \u003c\/span\u003e\u003cspan\u003esynchronization clock source to synchronize the system clocks of different digital device combinations, which will comprehensively improve the playback quality \u003c\/span\u003e\u003cspan\u003eof the entire system and provide an outstanding listening experience.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSplit Power Supply System Design\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe physical structure of the Pearl 30d power supply consists of a separate power supply unit and a power supply system for the DAC Unit. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eComplex rectifier and filter circuits are used to achieve an extremely clean power supply.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSeparate Power Supply Unit\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHi-End audio concept design. Physical separate power supply unit to ensure that the transformer, \u003c\/span\u003e\u003cspan\u003erectifier, filter circuit etc power processing are completely isolated and avoid interference.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOne Dual C Type of Transformer responsible for ES9039SPRO, Oven Controlled Crystal Oscillator, Clock board, logic circuits and digital audio processing \u003c\/span\u003e\u003cspan\u003ecircuit power supply, equipped with high-frequency inductors, to deal with high-frequecy interference.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOne Dual C Type of Transformer Handling TDA1307, TDA1547, Op-amp ICs, Discrete I\/V circuits and Discrete line amplifier circuits, with independent rectifier \u003c\/span\u003e\u003cspan\u003ecircuits, mains filter circuits, decoupling circuits, high-capacity chokes to obtain a pure DC power supply, eliminating interference from the source.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOne Dual C Type of Choke eliminating low and mid frequency of interference.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUltra-large scale power supply filtering system: The main board of the power supply unit adopts ten 15000uF high ripple current filtering capacitors \u003c\/span\u003e\u003cspan\u003eand ten 10000uF audio filtering capacitors.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePower Supply of the DAC Main Unit\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe power supply system of the DAC main unit consists of a super-linear voltage stabilization circuit made up of six groups of discrete components. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith a set of ultra-low noise Linear LT1963 voltage regulators, effective voltage stabilization is provided for the high voltage supply.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOCXO (Oven Controlled Crystal Oscillator) is powered by using LT1963 high-current ultra-low noise LDO DC power supply. Turning off the \u003c\/span\u003e\u003cspan\u003epower supply of the DAC Main unit, \u003c\/span\u003e\u003cspan\u003ethe crystal will still continue to be supplied at a constant temperature, so that the clock system can enter into operation once switched on again.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAviation-grade \u003c\/strong\u003e\u003cstrong\u003ePower Cable between the Power Supply and DAC Main Unit\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe connecting cable consists of a connector that utilizes wires with extremely low internal resistance and a highly reliable mechanical structure. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe connection system consists of 12-pin aviation connector, Germany LAPP KABEL 12-core 0.75mm² ultra-flexible drag chain cable, VIABLUE encrypted \u003c\/span\u003e\u003cspan\u003esandwich nylon fiber cotton blend shock-absorbing cable protection sleeve.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBoth ends of the same type of aviation plug, regardless of direction, easy to connect.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFull-Channel Digital Audio Jitter Cleaner\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe integrated full-channel digital audio jitter cleaner (jitter elimination circuit) significantly reduces the jitter of the SPDIF and IIS signal and thus substantially improves the sound quality. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe digital audio data lines and clock lines in the device utilize low-loss, stable impedance matching. The RF coaxial cable transmission reduces signal loss and waveform distortion and suppresses jitter.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDigital \u003c\/strong\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003cstrong\u003e Interface\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSupports IIS(HDMI-A), AES\/EBU(XLR3), Coaxial SPDIF 1(RCA), Coaxial SPDIF 2(BNC), ST Glass Optical, Toslink Plastic Optical, and USB Audio In(Type B).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg height=\"606\" width=\"909\" title=\"\" src=\"https:\/\/en.cayin.cn\/ueditor_temp\/php\/upload\/image\/20260414\/1776152339129732.jpg\"\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAnalog Output\u003c\/strong\u003e\u003cstrong\u003e Interface\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRCA Single-ended and XLR Balanced Analog Output.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSelectable between standard level and high level outputs.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eReference Clock Interface\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExternal reference clock input connector (10MHz)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSynchronized clock output interface (Frequency Selectable)\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e\u003cstrong\u003ePearl 30d Specification\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cimg src=\"https:\/\/en.cayin.cn\/ueditor_temp\/php\/upload\/image\/20260414\/1776153857282179.jpg\" alt=\"技术参数.jpg\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Cayin","offers":[{"title":"Default Title","offer_id":52798839030053,"sku":null,"price":19995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0906\/5054\/2373\/files\/30d.jpg?v=1784231656","url":"https:\/\/fidelityfarmhifi.com\/products\/cayin-pearl-30d-d-a-converter","provider":"Fidelity Farm","version":"1.0","type":"link"}