{"product_id":"parasound-halo-a23-stereo-power-amplifier","title":"Parasound Halo A23+ Stereo Power Amplifier","description":"\u003ch3 data-start=\"44\" data-end=\"133\"\u003e\n\u003cstrong data-start=\"44\" data-end=\"93\"\u003eTwo-Channel Power with Elegance and Precision\u003c\/strong\u003e\u003cbr data-start=\"93\" data-end=\"96\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"44\" data-end=\"133\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cbr\u003eThe Parasound \u003cstrong data-start=\"14\" data-end=\"22\"\u003eA23+\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebrings studio-level amplification into your listening room—delivering clarity, depth, and control that defies its compact size.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"135\" data-end=\"172\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eCo‑designed by legendary engineer\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"34\" data-end=\"47\"\u003eJohn Curl\u003c\/strong\u003e, it features a\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"63\" data-end=\"100\"\u003edual-mono Class A\/AB architecture\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith independent transformers per channel. With\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"149\" data-end=\"179\"\u003e160 W per channel into 8 Ω\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(240 W into 4 Ω) and bridgeable to 500 W, along with\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"233\" data-end=\"276\"\u003ebalanced XLR and gold-plated RCA inputs\u003c\/strong\u003e, the A23+ integrates seamlessly into stereo or home theater systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"135\" data-end=\"172\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003ePraised by reviewers:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"207\" data-end=\"284\"\u003e\n\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-start=\"0\" data-end=\"15\" data-is-only-node=\"\"\u003eSoundStage!\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e–\u003cspan\u003e \u003c\/span\u003e\u003cem data-start=\"18\" data-end=\"157\" data-is-last-node=\"\"\u003e“Parasound provides great value… I haven’t heard better sound or seen higher build quality at this price. An impressive power amplifier.”\u003c\/em\u003e\u003c\/span\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"287\" data-end=\"364\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-start=\"0\" data-end=\"22\" data-is-only-node=\"\"\u003eHome Theater Hi-Fi\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e–\u003cspan\u003e \u003c\/span\u003e\u003cem data-start=\"25\" data-end=\"150\" data-is-last-node=\"\"\u003e“Solidly constructed and good‑looking amplifier… Balanced sonic characteristics with good presentation of musical details.”\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-start=\"367\" data-end=\"444\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-start=\"0\" data-end=\"20\" data-is-only-node=\"\"\u003eThe Audio Tailor\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Highlights “transparency from a sonorous 5 Hz sub-bass right through to 100 kHz,” pointing to exceptional clarity and signal purity.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eSpecifications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower Output – Stereo Mode (0.06% THD)\u003c\/strong\u003e\u003cbr\u003e160 watts x 2, 8 Ω both channels driven\u003cbr\u003e240 watts x 2, 4 Ω both channels driven\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower Output – Stereo Mode (0.9% THD)\u003c\/strong\u003e\u003cbr\u003e210 watts x 2, 8 Ω both channels driven\u003cbr\u003e300 watts x 2, 4 Ω both channels driven\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower Output – Bridged Mode (0.06% THD)\u003c\/strong\u003e\u003cbr\u003e500 watts x 1, 8 Ω\u003cbr\u003eBridged 4 Ω operation is not recommended\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower Output – Bridged Mode (0.9% THD)\u003c\/strong\u003e\u003cbr\u003e600 watts x 1, 8 Ω\u003cbr\u003eBridged 4 Ω operation is not recommended\u003cbr\u003e\u003cbr\u003e\u003cem\u003e*All Power measurement are at 120 VAC,\u003cbr\u003eRMS continuous power, full audio band (20 Hz - 20 kHz)\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent Capacity\u003c\/strong\u003e\u003cbr\u003e45 amps peak, per channel\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\/-0.25 dB\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Harmonic Distortion (THD)\u003c\/strong\u003e\u003cbr\u003e\u0026lt; 0.06 % 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\u003eInter-channel Crosstalk\u003c\/strong\u003e\u003cbr\u003e\u0026gt; 85 dB at 1 kHz\u003cbr\u003e\u0026gt; 70 dB at 20 kHz\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003cbr\u003eUnbalanced: 33 kΩ\u003cbr\u003eBalanced: 66 kΩ,(33 kΩ per leg)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Gain\u003c\/strong\u003e\u003cbr\u003e29 dB\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInput Sensitivity for 28.28 V Out (8 Ω Load)\u003c\/strong\u003e\u003cbr\u003eUnbalanced: 1 V\u003cbr\u003eBalanced: 1 V per leg\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; 107 dB, input shorted, unweighted\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDamping Factor\u003c\/strong\u003e\u003cbr\u003e\u0026gt; 800 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\u003eDepth: 15\"-1\/4\" (388 mm)\u003cbr\u003eDepth, with cables 17\" (432 mm)\u003cbr\u003eHeight, with feet: 4-1\/8\" (105 mm)\u003cbr\u003eHeight, without feet: 3-1\/2\" (89 mm), 2U\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003cbr\u003e27 lb. (12.2 kg)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003cbr\u003e34 lb. (14.4 kg)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower Requirement\u003c\/strong\u003e\u003cbr\u003eStandby: \u0026lt;1 Watt\u003cbr\u003eIdle (no music playing): 75 Watts\u003cbr\u003eTypical Listening levels: 125 Watts\u003cbr\u003eMaximum: 800 Watts\u003cbr\u003e110-125 VAC 60 Hz or 220-250 VAC 50 Hz\u003cbr\u003e\u003cem\u003eAC mains voltage is set on rear panel\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e160 watts x 2 @ 8 Ω RMS, both channels driven\u003c\/li\u003e\n\u003cli\u003e240 watts x 2 @ 4 Ω RMS, both channels driven\u003c\/li\u003e\n\u003cli\u003e500 watts x 1 @ 8 Ω, in bridged mode\u003c\/li\u003e\n\u003cli\u003eCircuitry designed by legendary John Curl\u003c\/li\u003e\n\u003cli\u003eHigh bias Class A\/AB operation\u003c\/li\u003e\n\u003cli\u003e45 amperes peak current per channel\u003c\/li\u003e\n\u003cli\u003eStable with speaker impedance dips below 2 Ω\u003c\/li\u003e\n\u003cli\u003eBalanced inputs with discrete circuits\u003c\/li\u003e\n\u003cli\u003eHeavy-duty 24k gold-plated 5-way speaker binding posts\u003c\/li\u003e\n\u003cli\u003eGold-plated RCA input \u0026amp; loop output jacks\u003c\/li\u003e\n\u003cli\u003eDirect-coupled signal path, no capacitors or inductors\u003c\/li\u003e\n\u003cli\u003eDC Servo and relay protection circuits\u003c\/li\u003e\n\u003cli\u003eAC turn-on inrush surge protection with relay bypass\u003c\/li\u003e\n\u003cli\u003eJFET input stage, MOSFET driver stage\u003c\/li\u003e\n\u003cli\u003e12 beta-matched 15 ampere, 60 MHz bipolar output transistors\u003c\/li\u003e\n\u003cli\u003e1.1 kVA shielded toroid transformer w\/ independent windings for each channel\u003c\/li\u003e\n\u003cli\u003eIndependent power supplies for input stage, driver stage and output stage\u003c\/li\u003e\n\u003cli\u003e54,400 µF filter capacitors for output stages\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\u003eHarris hyper-fast soft-recovery bridge diode rectifiers\u003c\/li\u003e\n\u003cli\u003eAutomatic turn-on by 12 V trigger or audio sensing\u003c\/li\u003e\n\u003cli\u003e2 rack space chassis with rear carry handles\u003c\/li\u003e\n\u003cli\u003eRack mount hardware available separately\u003c\/li\u003e\n\u003cli\u003eAvailable in silver or black\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Parasound","offers":[{"title":"Default Title","offer_id":62769433903263,"sku":null,"price":3680.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5532\/6111\/files\/a23__front_black_07896fdb-908a-4503-b4ae-1083e915bfbe.jpg?v=1776119795","url":"https:\/\/altitudoaudio.ca\/products\/parasound-halo-a23-stereo-power-amplifier","provider":"Altitudo Audio","version":"1.0","type":"link"}