{"product_id":"arcam-a50-signature","title":"ARCAM A50 Signature Dual-Mono Integrated Amplifier","description":"\u003cstyle\u003e.hos-arcam{--ac-ink:#202525;--ac-paper:#f3f0e9;--ac-gold:#b69b64;color:var(--ac-ink);font-family:inherit;line-height:1.7;margin:2.5rem 0}.hos-arcam *{box-sizing:border-box}.hos-arcam h2,.hos-arcam h3,.hos-arcam summary{font-family:var(--font-heading-family),inherit;color:inherit;text-transform:none}.hos-arcam h2{font-size:clamp(2.7rem,4vw,4.8rem);line-height:1.12;letter-spacing:-.025em;margin:0 0 2rem}.hos-arcam h3{font-size:2.2rem;line-height:1.3}.hos-arcam p{margin:0 0 1.7rem}.hos-arcam .ac-label{font-size:1.15rem;text-transform:uppercase;letter-spacing:.16em}.hos-arcam .ac-intro{background:var(--ac-paper);padding:clamp(2.2rem,4vw,4.8rem);border-top:3px solid var(--ac-gold)}.hos-arcam .ac-section{padding:3.5rem 0;border-bottom:1px solid #d9d5cc}.hos-arcam .ac-photo{margin:2.5rem 0;background:#fff}.hos-arcam img{width:100%;height:auto;display:block;object-fit:contain}.hos-arcam .ac-photo img{max-height:480px}.hos-arcam .ac-caption{font-size:1.2rem;color:#626762;padding:1rem 0}.hos-arcam .ac-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 2.4rem}.hos-arcam .ac-stat{padding:1.5rem 0;border-top:1px solid #ddd7ca}.hos-arcam .ac-stat strong{display:block;font-size:1.4rem}.hos-arcam .ac-stat span{display:block;font-size:1.5rem}.hos-arcam .ac-cta{background:#202525;color:#fff;padding:clamp(2.4rem,4vw,4rem);margin-top:3rem}.hos-arcam .ac-button{display:inline-block;padding:1.3rem 2rem;background:#d8c59d;color:#202525!important;font-weight:700;text-decoration:none;margin:1rem 1rem 0 0}.hos-arcam a{color:inherit;text-underline-offset:4px}.hos-arcam summary{background:var(--ac-paper)!important;color:var(--ac-ink)!important;padding:1.5rem!important;border:0!important;cursor:pointer;font-size:1.7rem}.hos-arcam details{margin:1rem 0}.hos-arcam details p{padding:1.5rem}.hos-arcam .ac-note{font-size:1.3rem;color:#565d59}.hos-arcam .ac-soon{font-size:1.4rem;font-weight:700;border-left:3px solid var(--ac-gold);padding:1rem 1.5rem}.hos-arcam ul{padding-left:2.2rem}@media(max-width:600px){.hos-arcam .ac-stats{grid-template-columns:1fr}.hos-arcam .ac-button{display:block;text-align:center;margin:1rem 0}.hos-arcam .ac-section{padding:2.5rem 0}}product-info:has(.hos-arcam) .price__badge-sold-out{display:none}product-info:has(.hos-arcam) .product__tax{display:none}\u003c\/style\u003e\u003cdiv class=\"hos-arcam\"\u003e\n\u003cheader class=\"ac-intro\"\u003e\u003cp class=\"ac-label\"\u003eARCAM \/ Dual-Mono Integrated Amplifier\u003c\/p\u003e\n\u003ch2\u003eFifty years, put to work.\u003c\/h2\u003e\n\u003cp\u003eAn anniversary badge is nice. An amplifier built around independently supplied left and right channels is more interesting. The A50 Signature marks ARCAM’s fiftieth year with a dual-mono Class G design and 150 watts per channel into 8 ohms. It is aimed at listeners who want a substantial stereo without dividing the amplifier into several boxes.\u003c\/p\u003e\u003c\/header\u003e\u003cnav aria-label=\"Product information\" class=\"ac-jump\"\u003e\u003ca href=\"#arc-engineering\"\u003eDesign \u0026amp; setup\u003c\/a\u003e\u003ca href=\"#arc-specs\"\u003eSpecifications\u003c\/a\u003e\u003ca href=\"#arc-docs\"\u003eManuals \u0026amp; resources\u003c\/a\u003e\u003ca href=\"#arc-reviews\"\u003ePress coverage\u003c\/a\u003e\u003c\/nav\u003e\u003csection class=\"ac-section\"\u003e\u003cp class=\"ac-label\"\u003eThe House of Stereo perspective\u003c\/p\u003e\n\u003ch3\u003eWhere the A50 Signature fits.\u003c\/h3\u003e\n\u003cp\u003eThe appeal is how much of a system it can anchor. MM and MC phono support accommodates a wider range of cartridges; HDMI eARC brings in the television; USB-C serves a digital source. Add a network player if you want dedicated Wi-Fi streaming. We will help you spend on the capabilities you actually need.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"ac-section\"\u003e\u003cp class=\"ac-label\"\u003eAt a glance\u003c\/p\u003e\n\u003ch3\u003eA50 Signature specifications\u003c\/h3\u003e\n\u003cdiv class=\"ac-stats\"\u003e\n\u003cdiv class=\"ac-stat\"\u003e\n\u003cstrong\u003eAmplification\u003c\/strong\u003e\u003cspan\u003e150W\/ch into 8 ohms; dual-mono Class G\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ac-stat\"\u003e\n\u003cstrong\u003eDigital conversion\u003c\/strong\u003e\u003cspan\u003eESS ES9039Q2M DAC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ac-stat\"\u003e\n\u003cstrong\u003eConnections\u003c\/strong\u003e\u003cspan\u003eHDMI eARC and USB-C\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ac-stat\"\u003e\n\u003cstrong\u003ePhono input\u003c\/strong\u003e\u003cspan\u003eMoving magnet and moving coil\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ac-stat\"\u003e\n\u003cstrong\u003eWireless\u003c\/strong\u003e\u003cspan\u003eBluetooth 5.4 and Auracast\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ac-stat\"\u003e\n\u003cstrong\u003eSize (W × D × H)\u003c\/strong\u003e\u003cspan\u003e431 × 344 × 99mm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"ac-note\"\u003eStereo 8-ohm power ratings: both channels driven, 20Hz–20kHz, 0.5% THD. Speaker impedance, room size and listening level all affect amplifier matching.\u003c\/p\u003e\u003c\/section\u003e\u003cfigure class=\"ac-photo\"\u003e\u003cimg alt=\"ARCAM A50 Signature manufacturer product photograph\" decoding=\"async\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0529\/7117\/6085\/files\/arcam-a50-signature-2.png?v=1792941433\"\u003e\u003cfigcaption class=\"ac-caption\"\u003eARCAM A50 Signature · Manufacturer photography\u003c\/figcaption\u003e\u003c\/figure\u003e\u003csection class=\"ac-section\" id=\"arc-engineering\"\u003e\u003ch3\u003eThe anniversary story is inside the chassis.\u003c\/h3\u003e\n\u003cp\u003eThe A50 Signature gives each channel its own amplifier module, transformer windings, regulation, reservoir capacitors, Class G lifter stage and output-stage heatsink. That is the substance behind the dual-mono description. It is not a claim that the chassis contains two entirely separate mains transformers.\u003c\/p\u003e\n\u003cp\u003eIts ESS ES9039Q2M DAC sits alongside new volume-control and Class A MM\/MC phono circuitry. The October 2026 owner’s manual confirms three RCA line inputs plus a balanced XLR pair, HDMI eARC\/ARC, two coaxial inputs, one optical input and USB-C. The manual is also our reference for dimensions, weight and power consumption where ARCAM’s web table differs. Pair it with the CD25 over XLR or RCA, and add a network streamer if that is how you listen.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"ac-section\" id=\"arc-specs\"\u003e\u003ch3\u003eFull technical specifications\u003c\/h3\u003e\n\u003cp class=\"ac-note\"\u003eManufacturer specifications. Power figures retain their load, bandwidth and channels-driven conditions. Regional mains versions and firmware-dependent features should be checked for your unit.\u003c\/p\u003e\n\u003cdetails class=\"ac-spec-group\"\u003e\u003csummary\u003eContinuous power output (0.5% THD), per channel\u003c\/summary\u003e\u003cdiv class=\"ac-spec-body\"\u003e\u003cp\u003e\n\u003cbr\u003e2 channels driven, 20Hz - 20kHz, 8Ω 150W\u003cbr\u003e2 channels driven, 1kHz, 4Ω 220W\u003cbr\u003eHarmonic distortion, 80% power, 8Ω at 1kHz 0.002%\u003cbr\u003e\n\u003cbr\u003e\n\u003cstrong\u003eAnalogue Inputs\u003c\/strong\u003e\n\u003cbr\u003eNumber of inputs 3 (RCA pairs), 1 (XLR pair)\u003cbr\u003eSignal\/noise ratio (A-wtd, ref. 50W, 1V input) 106dB\u003cbr\u003eFrequency response 20Hz—20kHz ± 0.2dB\u003cbr\u003e\n\u003cbr\u003e\n\u003cstrong\u003ePhono (MM) Input\u003c\/strong\u003e\n\u003cbr\u003eInput impedance 47kΩ + 100pF\u003cbr\u003eFrequency response (ref. RIAA curve) 20Hz—20kHz ± 1dB\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"ac-spec-group\"\u003e\u003csummary\u003eDigital Inputs\u003c\/summary\u003e\u003cdiv class=\"ac-spec-body\"\u003e\n\u003cp\u003e1 × HDMI eARC\/ARC; 2 × coaxial RCA; 1 × optical Toslink; 1 × USB-C.\u003c\/p\u003e\n\u003cp\u003e\n\u003cbr\u003eSupported Sample Rates (kHz)\u003cbr\u003eUSB-C Only 384, 352.8, 192, 176.4, 96, 88.2, 48, 44.1\u003cbr\u003eOther digital inputs 192, 176.4, 96, 88.2, 48, 44.1\u003cbr\u003e\n\u003cbr\u003eBit depths (bit) 32, 24, 16\u003cbr\u003eFrequency response (filter 1) 20Hz—20kHz ± 0.2dB\u003cbr\u003eSignal\/noise ratio (A-wtd, ref. 50W, 0dBFS) 110dB*\u003cbr\u003e\n\u003cbr\u003e\n\u003cstrong\u003eHeadphone Output\u003c\/strong\u003e\n\u003cbr\u003eMaximum output level (RMS) into 32Ω\/300Ω 2.5V\/5V\u003cbr\u003eLoad range 16Ω - 2kΩ\u003cbr\u003e\n\u003cbr\u003e\n\u003cstrong\u003eWireless Specifications\u003c\/strong\u003e\n\u003cbr\u003eBluetooth Version - 5.4; A2DP Sink\/Source, AVRCP, BLE, SBC, AAC, aptX, aptX HD and aptX Lossless, LE Audio, Auracast\u003cbr\u003eBluetooth Transmitter Frequency and Power - 2,400 MHz to 2,483.5 MHz: \u0026lt;20dBm\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"ac-spec-group\"\u003e\u003csummary\u003eGeneral\u003c\/summary\u003e\u003cdiv class=\"ac-spec-body\"\u003e\u003cp\u003e\u003cbr\u003eMains voltage 100V or 110–120V or 220–240V, 50–60Hz\u003cbr\u003ePower consumption (maximum) 800W*\u003cbr\u003ePower consumption (standby) \u0026lt;0.5W\u003cbr\u003eDimensions W x D (including speaker terminals) x H (including feet) 431 x 344 x 99mm\u003cbr\u003eWeight (net) 11kg\u003cbr\u003eWeight (packed) 15.2kg\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSupplied accessories\u003c\/strong\u003e\u003cbr\u003eMains lead(s)\u003cbr\u003eRemote control with 2 x AAA batteries\u003cbr\u003eQuick Start Guide\u003cbr\u003eImportant Safety Instructions\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003c\/section\u003e\u003cp\u003e\u003cspan class=\"ac-note\"\u003eA50 Signature clarification: the October 2, 2026 owner’s manual lists XLR line input, 11kg net weight, 15.2kg packed weight and 800W maximum consumption (marked provisional in the manual). These take precedence here over the differing web summary. Asterisks retain the manufacturer’s provisional markings.\u003c\/span\u003e\u003c\/p\u003e\n\u003csection class=\"ac-section\" id=\"arc-docs\"\u003e\u003ch3\u003eManuals, setup guides and downloads\u003c\/h3\u003e\n\u003cul class=\"ac-docs\"\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.arcam.co.uk\/ugc\/tor\/A50Signature\/EU%20declaration%20of%20conformity\/A50_Signature_DoC.pdf\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eEU declaration of conformity\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.arcam.co.uk\/ugc\/tor\/A50Signature\/Owner%27s%20Manual\/LS_ARCAM_Radia_A50Signature_OM_EN_v1_20261002.pdf\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eOwner's Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.arcam.co.uk\/ugc\/tor\/A50Signature\/Specification%20Sheet\/ARCAM_A50-Signature_Spec_Sheet_V1.pdf\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eSpecification Sheet\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.arcam.co.uk\/product,radia,integrated-amplifiers,a50signature.htm#downloads\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eARCAM product support and current downloads\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"ac-note\"\u003eExternal resources open in a new tab. Check the model and follow ARCAM’s instructions before installing firmware. Manuals may describe regional versions or features added through updates.\u003c\/span\u003e\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"ac-section\" id=\"arc-reviews\"\u003e\u003ch3\u003ePress coverage\u003c\/h3\u003e\n\u003cp class=\"ac-note\"\u003ePublisher opinions are separate from House of Stereo’s advice. Review-era prices, software and specifications can differ from current information.\u003c\/p\u003e\n\u003cdiv class=\"ac-review\"\u003e\n\u003ch4\u003e\u003ca href=\"https:\/\/darko.audio\/2026\/06\/arcam-turns-50-w-a50-signature-integrated-cd25-cd-player\/\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eDarko.Audio — A50 Signature and CD25 announcement\u003c\/a\u003e\u003c\/h4\u003e\n\u003cp\u003eBackground on the anniversary designs. This is launch reporting, not a completed listening review.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"ac-section\"\u003e\u003ch3\u003eA few useful answers\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I order this online?\u003c\/summary\u003e\u003cp\u003ePlease call House of Stereo at 904-642-6677 to order. We will confirm availability, system compatibility and delivery details with you.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes it include Wi-Fi streaming?\u003c\/summary\u003e\u003cp\u003eUse a separate network streamer for dedicated Wi-Fi playback. Built-in Bluetooth serves compatible wireless sources; it is a different connection from a network streaming platform.\u003c\/p\u003e\u003c\/details\u003e\u003c\/section\u003e\u003csection class=\"ac-section\"\u003e\u003ch3\u003eExplore the rest of the system\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/es\/products\/arcam-cd25\"\u003eARCAM CD25\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/es\/products\/arcam-st25\"\u003eARCAM ST25\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/es\/products\/arcam-sa45\"\u003eARCAM SA45\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003caside class=\"ac-cta\"\u003e\u003cp class=\"ac-label\"\u003eHouse of Stereo · Jacksonville, Florida\u003c\/p\u003e\n\u003ch3\u003eLet’s put the system together.\u003c\/h3\u003e\n\u003cp\u003eCall to order your ARCAM A50 Signature. We will confirm availability and help with the details that make the difference at home.\u003c\/p\u003e\n\u003ca class=\"ac-button\" href=\"tel:+19046426677\"\u003eCall to order · 904-642-6677\u003c\/a\u003e\u003ca class=\"ac-button\" href=\"\/es\/pages\/contact-us\"\u003eAsk us about your system\u003c\/a\u003e\u003c\/aside\u003e\n\u003c\/div\u003e\u003cstyle\u003e.hos-arcam .ac-jump{display:flex;flex-wrap:wrap;gap:1rem 2rem;padding:1.5rem 0;border-bottom:1px solid #ddd7ca}.hos-arcam .ac-jump a{font-weight:600}.hos-arcam .ac-spec-group{border:1px solid #ddd7ca;background:#fff}.hos-arcam .ac-spec-body{padding:0 1.6rem 1.6rem}.hos-arcam .ac-spec-body p{padding:0!important;line-height:1.8;overflow-wrap:anywhere}.hos-arcam .ac-spec-body table{width:100%;table-layout:fixed}.hos-arcam .ac-docs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem 2rem}.hos-arcam .ac-docs li{overflow-wrap:anywhere;margin:.4rem 0}.hos-arcam .ac-video{position:relative;width:100%;aspect-ratio:16\/9;background:#202525}.hos-arcam .ac-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.hos-arcam .ac-review{border-left:3px solid #bfa26a;padding:0 1.5rem;margin:2rem 0}.hos-arcam .ac-review p{margin:.5rem 0}.hos-arcam section[id]{scroll-margin-top:10rem}.hos-arcam .ac-cta h3{color:#fff!important}@media(max-width:600px){.hos-arcam .ac-docs{grid-template-columns:1fr}}\u003c\/style\u003e","brand":"Arcam","offers":[{"title":"Default Title","offer_id":68056333451413,"sku":"ARCA50SIGAM","price":2999.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0529\/7117\/6085\/files\/arcam-a50-signature-1.png?v=1792941429","url":"https:\/\/houseofstereo.com\/es\/products\/arcam-a50-signature","provider":"House Of Stereo","version":"1.0","type":"link"}