{"product_id":"accuphase-dc-500-mdsd-digital-processor-dac","title":"Accuphase DC-500 MDSD Digital Processor DAC","description":"\u003cmeta charset=\"UTF-8\"\u003e\n\n\u003ch2\u003eDC-500 At A Glance\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTopology:\u003c\/strong\u003e Standalone digital processor with 8MDSD (DSD) \/ 8MDS++ (PCM) D\/A architecture and ANCC noise-and-distortion cancelling\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD\/A converter:\u003c\/strong\u003e ES9028PRO from ESS Technologies, run in 8-channel parallel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDigital inputs:\u003c\/strong\u003e HS-LINK, two USB Type-B, two OPTICAL, one COAXIAL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalog output stage:\u003c\/strong\u003e Direct Balanced Filter with completely separate line and balanced signal paths, ANCC applied to both\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalog outputs:\u003c\/strong\u003e Balanced (XLR) and unbalanced (RCA), with phase polarity selector on the balanced output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSwitching noise:\u003c\/strong\u003e Proprietary muting circuit eliminates relay-switching noise between tracks\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFront-panel display:\u003c\/strong\u003e Real-time indication of incoming sampling frequency and quantization bit depth\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Anodized aluminum top plate with hairline finish; natural-grain wood side panels with glossy coating; machined-aluminum chassis; high-carbon cast-iron isolator feet\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe DC-500 is Accuphase's second standalone digital processor — the more compact, more accessible sibling to the reference DC-1000 — built on the same eight-channel parallel MDSD \/ MDS++ architecture and the same ANCC analog-stage noise-and-distortion cancelling circuit that define the company's current digital line. For the listener building a separates system around a streamer or server who wants Accuphase-grade D\/A conversion without stepping into the flagship two-box reference configuration, the DC-500 is the model that opens that path.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThe MDSD \/ MDS++ topology, intact from the flagship.\u003c\/strong\u003e The D\/A section uses the ES9028PRO converter from ESS Technologies, run in 8-channel parallel — the same converter family and the same parallel arrangement that runs in the DC-1000 and in the DP-770 SACD\/CD player. Accuphase's MDSD topology handles native DSD signals through the eight parallel channels; MDS++ handles PCM through the same eight-channel arrangement. The parallel configuration is not a marketing flourish — it averages per-channel noise across the eight summed outputs and randomizes per-channel converter error, producing a substantially lower noise floor and lower distortion than any single converter could achieve. This is the architectural reason an Accuphase DAC sounds the way it does at low listening levels and on the quietest passages of a recording.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eANCC at the analog output stage.\u003c\/strong\u003e The Active Noise Cancelling Circuit sits between the converter output and the analog output stage, actively cancelling residual switching noise and supply-related artifacts that survive the converter's own internal filtering. In the DC-500 the ANCC is applied to both the line-level (RCA) and balanced (XLR) signal paths independently, through the Direct Balanced Filter — the line and balanced outputs are not derived from a single converter output and split. Each is a separately filtered, separately conditioned signal, so the balanced output is a true differential signal and the line output is a true single-ended signal, not a downconverted approximation of the balanced one.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSix digital inputs, including two USB Type-B.\u003c\/strong\u003e The input bank — HS-LINK for connection to an Accuphase transport (DP-1000), two USB Type-B for computer or server connection, two OPTICAL, and one COAXIAL — covers every common digital-source connection the modern high-end system requires. The two USB inputs let the DC-500 serve both a desktop server and a separate streaming endpoint without re-cabling, or a primary server and a secondary computer workstation for editing and reference listening.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThe muting circuit.\u003c\/strong\u003e Most disc-source and DAC products handle track-to-track or sample-rate transitions through relay switching at the analog stage — a brief click or thump as the relays mechanically settle. The DC-500 uses a proprietary muting circuit that eliminates relay-switching noise entirely between tracks and during sample-rate changes, so transitions are silent. For listeners who play hybrid SACD discs through an external transport, or who switch frequently between PCM sources at different sample rates, this is an audible improvement over conventional approaches.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDisplay and configuration.\u003c\/strong\u003e The front-panel display shows the active input, the incoming sampling frequency, and the incoming quantization bit depth in real time. The phase polarity selector on the balanced output allows correction for absolute-phase inversions present in the recording chain upstream. Configuration is straightforward — the DC-500 is engineered as a high-fidelity audio component, not a software platform, and the controls reflect that.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eConstruction.\u003c\/strong\u003e The chassis carries the anodized aluminum top plate with hairline finish that defines the current Accuphase generation, paired with natural-grain wood side panels in a glossy coating. The chassis is more compact than the DC-1000 — the wooden top panel of the flagship is replaced here by the hairline aluminum top, and the overall height and depth are reduced — but the machined-aluminum chassis construction and the high-carbon cast-iron isolator feet are unchanged. This is the DC-1000's engineering school in a more accessible chassis.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhere the DC-500 sits in the line.\u003c\/strong\u003e The DC-500 is the standalone DAC for an Accuphase separates system that does not require the flagship DC-1000 — paired with a C-2300, C-2900, or C-3900S line preamplifier, fed from a streamer or server, and feeding any of the A-series or P-series power amplifiers. Listeners who already own a DP-1000 transport, or who are building toward the full two-box reference digital configuration, should consider the DC-1000 instead. Listeners running an SACD-capable disc-source library who want a single chassis that handles both disc playback and external digital sources should consider the DP-770 SACD\/CD Player and DAC. The DC-500 is the right choice for the streaming-first or server-first system that needs reference-grade D\/A conversion in a single dedicated chassis.\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/www.accuphase.com\/model\/dc-500.html\" target=\"_blank\" rel=\"noopener\"\u003eClick here for more information!\u003c\/a\u003e\u003c\/p\u003e\n","brand":"Accuphase","offers":[{"title":"Default Title","offer_id":48886442098907,"sku":null,"price":13975.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1363\/6553\/files\/DC-500.jpg?v=1781731583","url":"https:\/\/almaaudio.com\/products\/accuphase-dc-500-mdsd-digital-processor-dac","provider":"Alma Music and Audio","version":"1.0","type":"link"}