{"product_id":"conrad-johnson-art27a-demo","title":"Conrad-Johnson ART27A (DEMO)","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan class=\"citation-1085\"\u003eThe \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"4\"\u003e\u003cspan class=\"citation-1085\"\u003econrad-johnson ART27A\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-1085 citation-end-1085\"\u003e is a ultra-high-end, reference-grade pure Class A stereo vacuum-tube power amplifier.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Released as a statement piece by the legendary Virginia-based audio manufacturer, it is specifically engineered for high-efficiency loudspeakers and listeners who prioritize absolute purity, dimensionality, and timbral accuracy over raw output wattage.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"3\"\u003eCore Circuitry \u0026amp; Design Philosophy\u003c\/h3\u003e\n\u003cp data-path-to-node=\"4\"\u003eUnlike typical high-wattage Conrad-Johnson amplifiers (like the ART150 or ART300), the ART27A trades raw brute-force power for the ultimate operational topology: \u003cb data-path-to-node=\"4\" data-index-in-node=\"162\"\u003epure Class A, triode-strapped KT88 operation\u003c\/b\u003e.\u003c\/p\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\" id=\"p-rc_7f01f19f737fa75d-186\"\u003e\u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"0\"\u003ePure Class A Triode Operation:\u003c\/b\u003e \u003cspan class=\"citation-1084 citation-end-1084\"\u003eThe KT88 beam tetrode tubes are reconfigured internally to function as triodes, delivering 36 Watts per channel.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e In pure Class A operation, output tubes run at full bias current 100% of the time, completely eliminating crossover distortion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"0\"\u003eIndependent Power Supply Regulation:\u003c\/b\u003e \u003cspan class=\"citation-1083 citation-end-1083\"\u003eThe amplifier features separate, fully regulated power supplies for every single stage—including independent regulated supplies for each channel's output stage, as well as dedicated regulated supplies for the voltage gain and inverter stages.\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e This prevents voltage sagging under transient demands and minimizes inter-channel crosstalk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cb data-path-to-node=\"5,2,0\" data-index-in-node=\"0\"\u003eUltra-Premium Components:\u003c\/b\u003e \u003cspan class=\"citation-1082 citation-end-1082\"\u003eBuilt with CJD’s signature proprietary CJD Teflon dielectric capacitors, custom laser-trimmed metal foil resistors, and heavy-gauge copper traces.\u003csup class=\"superscript\" data-turn-source-index=\"4\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Audio D'Occasion","offers":[{"title":"Default Title","offer_id":50549240758334,"sku":null,"price":12999.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0563\/2209\/7214\/files\/CJART27A-1.webp?v=1790688423","url":"https:\/\/hifipro.ca\/en\/products\/conrad-johnson-art27a-demo","provider":"HIFIPRO \/ Audio d'Occasion","version":"1.0","type":"link"}