{"product_id":"luxman-d-03r-cd-player-dac-reviewer-sample","title":"Luxman D-03R CD Player\/DAC - REVIEWER SAMPLE","description":"\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca href=\"#tab1\" class=\"active\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFeatures\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eSpecifications\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!--Start tab content--\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli id=\"tab1\" class=\"active\"\u003e\n\u003ch3 style=\"text-align: center;\"\u003ePERFECT REVIEWER SAMPLE\u003c\/h3\u003e\n\u003ch5 style=\"text-align: center;\"\u003eReviewed by \"Old Guy HiFi\"\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli class=\"active\"\u003e\n\u003ch5 style=\"text-align: center;\"\u003e\u003c\/h5\u003e\n\u003cp\u003eThe D-03R is the successor to the D-03X, a digital media player released in 2020 that was well received for its ability to process high-resolution audio sources as well as CDs. For optimal playback of the CD format, which has been a staple of music media for over 40 years, the D-03R features LUXMAN’s traditional left-side mechanical layout, ensuring an ideal signal flow. A robust chassis structure minimizes vibrations, supporting accurate disc reading.\u003c\/p\u003e\n\u003cp\u003eAt the core of its digital playback system, the D-03R is the first to adopt ROHM’s BD34352EKV DAC chips in a dual-mono configuration. This player also offers a wide range of digital inputs, allowing connections to a PC or network transport such as the NT-07. The DAC processors support data rates of up to 384kHz\/32bit for PCM and 22.5MHz for DSD signals via the USB input, and up to 192kHz\/24bit for PCM data via the COAX\/OPT input, providing a powerful digital-to-analog conversion environment.\u003c\/p\u003e\n\u003cp\u003eRefined analog circuitry utilizes fully balanced I\/V conversion to handle the differential outputs of the DAC chips. The unit also features a finely tuned output amplifier block, enhanced with LUXMAN’s custom components, delivering a powerful drive output to subsequent hi-fi components. This is evidenced in the excellent sound quality inherited from our higher-end D-10X and D-07X models.\u003c\/p\u003e\n\u003cp\u003eTo ensure a stable voltage supply to each circuit element, the D-03R incorporates a highly stable power supply system with independent circuit power regulation and large-value filter capacitors dedicated to each of the mechanical, digital, and analog systems.\u003c\/p\u003e\n\u003cp\u003eThe exterior design combines intuitive controls with a newly adopted, large OLED display for excellent visibility. The front panel features a sleek, square-edged front panel in an elegant Blasted White finish, creating a simple yet elegant aesthetic that enhances any listening space.\u003c\/p\u003e\n\u003cp\u003eThe D-03R is a state-of-the-art digital media player that has been designed to preserve the value of our listeners' CD collections with supreme sound quality, while also supporting high-resolution audio source inputs, including the latest streaming services.\u003c\/p\u003e\n\u003ch6\u003e\u003cstrong\u003eDigital Circuit\u003c\/strong\u003e\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eUtilizes ROHM BD34352EKV DAC chips in a dual-mono configuration for high-quality digital-to-analog conversion.\u003c\/li\u003e\n\u003cli\u003eSupports PCM 384kHz\/32bit and DSD 22.5MHz via USB input, and PCM 192kHz\/24bit, DoP (DSD) 2.8MHz via COAX\/OPT input.\u003c\/li\u003e\n\u003cli\u003eIncludes a full MQA decoder, supporting MQA format playback across all inputs (MQA-CD, USB, COAX, OPT) with a bypass function.\u003c\/li\u003e\n\u003cli\u003eFeatures a high-precision, ultra-low phase noise clock module, reducing noise around oscillation frequencies for improved sound quality.\u003c\/li\u003e\n\u003cli\u003eOffers a selectable filter function, allowing users to customize the sound (PCM: two digital filter modes when MQA bypass is active, DSD: two analog FIR filter modes).\u003c\/li\u003e\n\u003cli\u003eImplements various jitter reduction features optimized per input (USB: asynchronous transmission via dedicated DSP, COAX\/OPT: high-precision clock via built-in DAIR).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003e\u003cstrong\u003eAnalog Circuit\u003c\/strong\u003e\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eFeatures fully balanced buffer circuitry (four identical amplifier units) that cleanly drives the differential outputs from the dual mono-mode DACs.\u003c\/li\u003e\n\u003cli\u003eAdopts a highly stable power supply, incorporating a large power transformer, independent regulators for each circuit and large value filter capacitors (DAC circuit capacitor capacity doubled from 3,300μF to 6,600μF) for stable, high-quality power delivery.\u003c\/li\u003e\n\u003cli\u003eUses smoothly rounded-pattern PCB traces to ensure smooth current transmission while preserving the integrity of delicate audio signals.\u003c\/li\u003e\n\u003cli\u003eEmploys OFC (Oxygen-Free Copper) non plated internal wiring to enhance natural signal transmission.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003e\u003cstrong\u003eDesign \u0026amp; Construction\u003c\/strong\u003e\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eFeatures a sleek, square-edged front panel in an elegant Blasted White finish, designed to complement any listening room.\u003c\/li\u003e\n\u003cli\u003eEquipped with a high-definition OLED display with four brightness levels, zoom display, and auto-dimming functionality.\u003c\/li\u003e\n\u003cli\u003eBuilt with a loopless chassis that isolates grounding impedance and magnetic field effects, combined with a shielded chassis to block digital noise.\u003c\/li\u003e\n\u003cli\u003eOffers comprehensive digital I\/O connectivity, including USB, COAX, and OPT inputs, as well as COAX and OPT outputs, ensuring compatibility with various audio components such as the NT-07 network transport.\u003c\/li\u003e\n\u003cli\u003eFeatures high-quality, gold plated, 18mm pitch RCA terminals, accommodating large, high-performance cable plugs, alongside premium Neutrik XLR connectors.\u003c\/li\u003e\n\u003cli\u003eEquipped with a highly rigid AC inlet, allowing for flexible cable orientation, while supporting cable weight across the entire terminal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003ch6\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes a newly added control input\/output terminal, enabling remote operation via compatible devices and future expansion for wireless control.\u003c\/li\u003e\n\u003cli\u003eComes with a luxurious aluminum remote control (RD-28) featuring a numeric keypad for enhanced usability.\u003c\/li\u003e\n\u003cli\u003eOffers LUXMAN Audio Player software, supporting multiple audio formats with high-quality playback (available for Windows and Mac, free for download online).\u003c\/li\u003e\n\u003cli\u003eProvides a dedicated driver for BulkPet transmission, optimizing USB audio transfer for high-fidelity sound quality (available for Windows and Mac, free for download online).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003ch6\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported discs:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eCD, MQA-CD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported sampling frequencies:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB input (PCM):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384kHz (16, 24, 32bit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB input (DSD):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2.8MHz, 5.6MHz, 11.2MHz, 22.5MHz (1bit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCOAX\/OPT input:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz (16, 20, 24bit), 2.8MHz (DoP)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog output voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnbalanced 2.4V, Balanced 2.4V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput impedance:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eUnbalanced 300Ω, Balanced 600Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency response:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCD 5Hz to 20kHz (+0, -1.0dB), USB\/COAX\/OPT 5Hz to 47kHz (+0, -3.0dB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal harmonic distortion:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCD 0.002%, USB\/COAX\/OPT 0.001%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS\/N ratio (IHF-A):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCD 110dB, USB\/COAX\/OPT 118dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eD\/A converter:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eROHM BD34352EKV (monaural mode) x2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e440(W)×133(H)×410 mm (front side knob of 2mm and rear side terminal of 8mm include in depth)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e13.2kg (main unit), 17.6kg (when packed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccessories:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRemote control (RD-28), Power cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dedicated Audio","offers":[{"title":"Default Title","offer_id":51919897755965,"sku":null,"price":5595.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/5587\/files\/PXL_20260702_182209062.PORTRAIT.jpg?v=1783018990","url":"https:\/\/www.dedicatedaudio.com\/products\/luxman-d-03r-cd-player-dac-reviewer-sample","provider":"Dedicated Audio","version":"1.0","type":"link"}