{"product_id":"parasound-halo-a52-5-channel-power-amplifier","title":"Parasound Halo A52+ 5-Channel Power Amplifier","description":"\u003ch3 data-end=\"39\" data-start=\"0\"\u003e\u003cstrong data-end=\"39\" data-start=\"0\"\u003eBig‑System Sound, Smaller Footprint\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"39\" data-start=\"0\"\u003e\u003cbr\u003eDrop the A52+ into your system and the whole room wakes up. Voices lock center‑stage, bass tightens without bloat, and big moments hit with the kind of weight that turns movie night into a grin‑inducing event—no rack overhaul required.\u003c\/p\u003e\n\u003cp data-end=\"818\" data-start=\"278\"\u003eDesigned by\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"303\" data-start=\"290\"\u003eJohn Curl\u003c\/strong\u003e, the A52+ runs\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"343\" data-start=\"319\"\u003ehigh‑bias Class A\/AB\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein a\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"367\" data-start=\"349\"\u003edirect‑coupled\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003etopology for effortless clarity. It delivers\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"454\" data-start=\"413\"\u003e180 W x5 into 8 Ω (255 W x5 into 4 Ω)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith a\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"501\" data-start=\"462\"\u003ecustom 1.5 kVA toroidal transformer\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(independent secondary windings per channel) and\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"565\" data-start=\"551\"\u003e100,000 µF\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eof reserve for clean current on demand. Full power is rated\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"642\" data-start=\"626\"\u003edown to 5 Hz\u003c\/strong\u003e, and integration is simple:\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"701\" data-start=\"671\"\u003efive XLR + five RCA inputs\u003c\/strong\u003e, plus 12 V trigger or audio‑sense auto‑on for any AVR\/processor with pre‑outs. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003cspan data-testid=\"webpage-citation-pill\" class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-state=\"closed\" class=\"\"\u003e\u003cspan data-testid=\"webpage-citation-pill\" class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"865\" data-start=\"820\"\u003ePraised by audiophiles and reviewers alike:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1061\" data-start=\"868\"\u003e“\u003cstrong data-end=\"902\" data-start=\"869\"\u003eDelivers clear, dynamic sound\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand has\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"933\" data-start=\"911\"\u003eplenty of headroom\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto handle the explosive effects in movie soundtracks.” —\u003cspan\u003e \u003c\/span\u003e\u003cem data-end=\"1007\" data-start=\"991\"\u003eSound \u0026amp; Vision\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003e(Al Griffin).\u003c\/li\u003e\n\u003cli data-end=\"1203\" data-start=\"1064\"\u003e“\u003cstrong data-end=\"1129\" data-start=\"1065\"\u003eOverall, I really liked Parasound’s Halo A 52+ in every way.\u003c\/strong\u003e” —\u003cspan\u003e \u003c\/span\u003e\u003cem data-end=\"1146\" data-start=\"1133\"\u003eStereophile\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003e(Kalman Rubinson).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower Output - All 5 Channels Driven\u003c\/strong\u003e\u003cbr\u003e180 watts x 5, 8 Ω\u003cbr\u003e255 watts x 5, 4 Ω\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower Output - 2 Channels Driven\u003c\/strong\u003e\u003cbr\u003e225 watts x 2, 8 Ω\u003cbr\u003e350 watts x 2, 4 Ω\u003c\/p\u003e\n\u003cp\u003ePower measurements parameters with 120VAC\u003cbr\u003e0.05% THD, RMS continuous power,\u003cbr\u003efull audio band (20 Hz - 20 kHz)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent Capacity:\u003c\/strong\u003e\u003cbr\u003e45 amperes peak, per channel\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDynamic Headroom:\u003c\/strong\u003e\u003cbr\u003e\u0026gt;1.5dB\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSlew Rate\u003c\/strong\u003e\u003cbr\u003e\u0026gt; 130 volts per microsecond\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003cbr\u003e5 Hz - 100 kHz, +0\/-3 dB\u003cbr\u003e20 Hz - 20 kHz, +0\/-0.3 dB\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Harmonic Distortion (THD)\u003c\/strong\u003e\u003cbr\u003e\u0026lt; 0.05 % at full power\u003cbr\u003e\u0026lt; 0.03 % at typical listening levels\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIM Distortion\u003c\/strong\u003e\u003cbr\u003e\u0026lt; 0.04 %\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTIM\u003c\/strong\u003e\u003cbr\u003eUnmeasurable\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInterchannel Crosstalk\u003c\/strong\u003e\u003cbr\u003e\u0026gt; 78 dB at 1 kHz\u003cbr\u003e\u0026gt; 63 dB at 20 kHz\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003cbr\u003eUnbalanced: 47 kΩ\u003cbr\u003eBalanced: 94 kΩ, 47 kΩ per leg\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInput Sensitivity for 28.28 V Output into 8 Ω\u003c\/strong\u003e\u003cbr\u003eUnbalanced: 1 V\u003cbr\u003eBalanced: 1 V per leg\u003cbr\u003eTotal Gain: 29 dB\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eS\/N Ratio\u003c\/strong\u003e\u003cbr\u003e\u0026gt; 112 dB, input shorted, IHF A-weighted\u003cbr\u003e\u0026gt; 102 dB, input shorted, unweighted\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDamping Factor\u003c\/strong\u003e\u003cbr\u003e\u0026gt; 1100 at 20 Hz\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDC Trigger Requirements\u003c\/strong\u003e\u003cbr\u003e+9 Vdc to +12 Vdc, 5 mA\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAudio Trigger Requirements\u003c\/strong\u003e\u003cbr\u003e2 mV - 10 mV\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eXLR Pin Identification\u003c\/strong\u003e\u003cbr\u003e1 = Ground (Shield)\u003cbr\u003e2 = Positive\u003cbr\u003e3 = Negative (Return)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003cbr\u003eWidth: 17-1\/4\" (437 mm)\u003cbr\u003eHeight without feet: 5-1\/4\" (133 mm)\u003cbr\u003eHeight with feet: 5-7\/8\" (149 mm)\u003cbr\u003eDepth: 20\" (508 mm)\u003cbr\u003eDepth with cables: 21-1\/4\" (540 mm)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003cbr\u003e55 lb. (25 kg)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003cbr\u003e69 lb. (31.3 kg)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower Requirement\u003c\/strong\u003e\u003cbr\u003eStandby: 1 Watt\u003cbr\u003eIdle: 125 Watts\u003cbr\u003eMaximum: 1500 Watts\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e180 watts RMS x 5 @ 8 Ω\u003c\/li\u003e\n\u003cli\u003e255 watts RMS x 5 @ 4 Ω\u003c\/li\u003e\n\u003cli\u003e225 watts RMS x 2 @ 8 Ω\u003c\/li\u003e\n\u003cli\u003e350 watts RMS x 2 @ 4 Ω\u003c\/li\u003e\n\u003cli\u003eClass A\/AB circuitry designed by legendary John Curl\u003c\/li\u003e\n\u003cli\u003eDirect coupled - no capacitors or inductors in audio path ensures the cleanest signal\u003c\/li\u003e\n\u003cli\u003eBalanced XLR inputs with discrete circuits\u003c\/li\u003e\n\u003cli\u003eFull power is rated all the way down to 5Hz for unrestricted low-end bass\u003c\/li\u003e\n\u003cli\u003eCustom 1.5 kVA encapsulated toroid power transformer with independent secondary windings for each channel\u003c\/li\u003e\n\u003cli\u003eHand-matched JFETs for input stage\u003c\/li\u003e\n\u003cli\u003eHand-matched MOSFETs for driver stage\u003c\/li\u003e\n\u003cli\u003eBeta-matched 15 amp, 60 MHz bipolar output transistors (3 pairs per channel)\u003c\/li\u003e\n\u003cli\u003e100,000 µF power supply filter capacitance\u003c\/li\u003e\n\u003cli\u003eDC Servo and relay protection circuits\u003c\/li\u003e\n\u003cli\u003eAuto turn on by audio signal or 12V trigger\u003c\/li\u003e\n\u003cli\u003eHeavy-duty 24k gold-plated, 5-way speaker terminals\u003c\/li\u003e\n\u003cli\u003e3U chassis with updated cosmetics, rack mountable with HRA3 (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Parasound","offers":[{"title":"Default Title","offer_id":62771316129951,"sku":null,"price":5880.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5532\/6111\/files\/a52__front_black_b56b1b32-7570-4730-ae21-bc60a06e92bb.jpg?v=1776201354","url":"https:\/\/altitudoaudio.ca\/products\/parasound-halo-a52-5-channel-power-amplifier","provider":"Altitudo Audio","version":"1.0","type":"link"}