{"product_id":"parasound-jcm250-mono-block-power-amplifier","title":"Parasound JCM250 Mono-block Power Amplifier","description":"\u003c!-- ======================================================\n     Parasound JCM250 Monoblock Amplifier — AL (bh-*) HTML\n     Two-Column Layout (Overview left \/ Specifications right)\n     Long-tail keyword used 5×: “Parasound JCM250 Monoblock Amplifier”\n     ====================================================== --\u003e\n\u003cstyle\u003e\n  .bh-wrap{max-width:1100px;margin:0 auto;padding:1rem 1.25rem;line-height:1.6}\n  .bh-title{font-size:3rem;margin:.25rem 0 1rem}\n  .bh-sub{font-style:italic;margin:0 0 1.25rem}\n  .bh-grid{display:grid;gap:1.25rem}\n  @media(min-width:900px){.bh-grid{grid-template-columns:1.3fr .7fr;align-items:start}}\n  .bh-section{margin:2rem 0}\n  .bh-section h2{margin-top:0}\n  .bh-bullets{list-style:disc;padding-left:1.25rem;margin:.5rem 0 0}\n  .bh-specs{width:100%;border-collapse:collapse}\n  .bh-specs th,.bh-specs td{border:1px solid #e5e7eb;padding:.65rem;vertical-align:top}\n  .bh-specs th{width:42%;background:#f8fafc;text-align:left}\n  .bh-badge{display:inline-block;border:1px solid #e5e7eb;border-radius:999px;padding:.2rem .6rem;margin:.15rem .3rem 0 0;font-size:.85rem}\n  .bh-badges{margin-top:.5rem}\n  .bh-faq details{border:1px solid #e5e7eb;border-radius:.5rem;padding:.75rem 1rem;margin:.5rem 0;background:#fafafa}\n  .bh-faq summary{font-weight:600;cursor:pointer}\n  .bh-note{font-size:.95rem;opacity:.9}\n  .bh-condition{display:inline-block;border:1px solid #e5e7eb;border-radius:999px;padding:.3rem .75rem;margin:.5rem 0 0;font-size:.85rem}\n\u003c\/style\u003e\n\u003cdiv class=\"bh-wrap\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Product\"\u003e\n\u003ch1 class=\"bh-title\" itemprop=\"name\"\u003eParasound JCM250 Monoblock Amplifier\u003c\/h1\u003e\n\u003cp class=\"bh-sub\"\u003eReference high-current monoblock power amplifier • circuit topology engineered by John Curl • high-bias Class A\/AB operation • 250W RMS into 8 Ω \/ 450W RMS into 4 Ω • massive encapsulated toroidal transformer • 60+ amperes peak current • balanced XLR and RCA inputs\u003c\/p\u003e\nThe \u003cstrong\u003eParasound JCM250 Monoblock Amplifier\u003c\/strong\u003e represents the culmination of legendary designer John Curl's masterclass in high-bias Class A\/AB analog circuit design. Engineered as a dedicated single-channel reference power amplifier, this monoblock delivers 250 watts of pure RMS power into 8 ohms and effortlessly scales to 450 watts into 4 ohms. Utilizing matched complementary JFET input stages, MOSFET driver topologies, and massive high-current bipolar output devices, it combines pure Class A smoothness at typical listening levels with immense instantaneous current reserves, rendering expansive three-dimensional soundstages, liquid midrange neutrality, and authoritative low-frequency grip over demanding loudspeaker loads.\n\u003cdiv class=\"bh-grid\"\u003e\n\u003cdiv\u003e\n\u003csection id=\"features-and-tech\" class=\"bh-section\"\u003e\n\u003ch2\u003eKey Features \u0026amp; Innovations\u003c\/h2\u003e\n\u003cul class=\"bh-bullets\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignature John Curl Circuit Topologies\u003c\/strong\u003e — the \u003cstrong\u003eParasound JCM250 Monoblock Amplifier\u003c\/strong\u003e is built with direct-coupled, complementary differential architectures utilizing hand-matched JFETs and MOSFETs, eliminating capacitors and inductors from the direct signal path for pristine phase linearity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Bias Class A\/AB Operation with High Peak Current\u003c\/strong\u003e — operates in pure Class A for initial watts to deliver sweet, grain-free musical textures, transitioning seamlessly to robust Class AB to output more than 60 amperes of peak current for explosive dynamic transients.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMassive Encapsulated Toroidal Transformer \u0026amp; Filter Bank\u003c\/strong\u003e — features a heavily shielded, low-noise toroidal power transformer backed by tens of thousands of microfarads of low-ESR filter capacitance to provide unconditional current stability during sustained heavy output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDedicated Single-Channel Monoblock Isolation\u003c\/strong\u003e — operating as a dedicated monoblock, it completely eliminates inter-channel crosstalk and shared-supply sag, unlocking deeper acoustic black backgrounds and precise soundstage layering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced XLR and Unbalanced RCA Inputs with Loop Outputs\u003c\/strong\u003e — includes gold-plated balanced XLR and single-ended RCA inputs paired with buffered loop-through outputs, gain trim adjustments, and ground-lift switching to combat unwanted chassis ground loops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection id=\"faq\" class=\"bh-section bh-faq\"\u003e\n\u003ch2\u003eFAQ — Parasound JCM250\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the Parasound JCM250 Monoblock Amplifier sold as a pair or individually?\u003c\/summary\u003e\n\u003cp\u003eThe \u003cstrong\u003eParasound JCM250 Monoblock Amplifier\u003c\/strong\u003e is packaged and sold as a single monoblock channel (each), allowing listeners to order two for a dedicated stereo configuration or multiple units for high-end multi-channel surround setups.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan this amplifier easily drive low-impedance loudspeakers?\u003c\/summary\u003e\n\u003cp\u003eYes. The amplifier is unconditionally stable into demanding low-impedance loudspeaker loads, comfortably managing impedance dips down to 2 ohms while maintaining dynamic composure and cool thermal regulation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes it feature remote 12V triggering capabilities?\u003c\/summary\u003e\n\u003cp\u003eYes, the JCM250 incorporates standard 12V DC trigger inputs and loop-through outputs alongside sensitive audio-sensing auto turn-on modes and a front-panel master power toggle.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat speaker cable connections are supported?\u003c\/summary\u003e\n\u003cp\u003eThe rear panel is fitted with heavy-duty, 24k gold-plated 5-way binding posts that accommodate bare heavy-gauge wire, spade lugs, or standard audiophile banana plugs.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection id=\"why-buy\" class=\"bh-section\"\u003e\n\u003ch2\u003eWhy Buy From Us\u003c\/h2\u003e\n\u003cul class=\"bh-bullets\"\u003e\n\u003cli\u003eAuthorized Parasound reference dealer offering 100% genuine factory-fresh units with full manufacturer warranty coverage\u003c\/li\u003e\n\u003cli\u003eExperienced audiophile and home cinema consultants available to guide gain staging, preamplifier matching, and power delivery planning\u003c\/li\u003e\n\u003cli\u003eDedicated post-purchase technical support for balanced interconnect routing and system grounding optimization\u003c\/li\u003e\n\u003cli\u003eFast, fully insured freight delivery in reinforced dual-box protective packaging on every order\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection id=\"related\" class=\"bh-section\"\u003e\n\u003ch2\u003eRelated \u0026amp; System Matches\u003c\/h2\u003e\n\u003cul class=\"bh-bullets\"\u003e\n\u003cli\u003eParasound Halo reference preamplifiers and DAC units\u003c\/li\u003e\n\u003cli\u003eHigh-resolution balanced XLR analog audio interconnect cables\u003c\/li\u003e\n\u003cli\u003eAudiophile high-current AC power cables and line conditioners\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c!-- RIGHT COLUMN --\u003e\n\u003caside\u003e\n\u003csection id=\"specs\" class=\"bh-section\"\u003e\n\u003ch2\u003eJCM250 Specs\u003c\/h2\u003e\n\u003ctable class=\"bh-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eHigh-Bias Class A\/AB Monoblock Power Amplifier (Sold Individually)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCircuit Design\u003c\/th\u003e\n\u003ctd\u003eJohn Curl Signature Direct-Coupled Architecture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContinuous Power (8 Ω)\u003c\/th\u003e\n\u003ctd\u003e250 Watts RMS (20 Hz – 20 kHz, \u0026lt; 0.05% THD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContinuous Power (4 Ω)\u003c\/th\u003e\n\u003ctd\u003e450 Watts RMS (20 Hz – 20 kHz, \u0026lt; 0.05% THD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePeak Current Capacity\u003c\/th\u003e\n\u003ctd\u003e\u0026gt; 60 Amperes Peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency Response\u003c\/th\u003e\n\u003ctd\u003e5 Hz – 100,000 Hz (+0\/-3 dB @ 1 Watt)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal Harmonic Distortion\u003c\/th\u003e\n\u003ctd\u003e\u0026lt; 0.05% at rated output; \u0026lt; 0.02% typical listening levels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSignal-to-Noise Ratio\u003c\/th\u003e\n\u003ctd\u003e\u0026gt; 115 dB, input shorted, IHF A-weighted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDamping Factor\u003c\/th\u003e\n\u003ctd\u003e\u0026gt; 800 at 20 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInputs\u003c\/th\u003e\n\u003ctd\u003e1x Balanced XLR, 1x Unbalanced RCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutputs\u003c\/th\u003e\n\u003ctd\u003e1x Balanced XLR Loop, 1x RCA Loop, 24k Gold-Plated 5-Way Binding Posts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTurn-On Options\u003c\/th\u003e\n\u003ctd\u003e12V Trigger In\/Out, Audio Signal Sensing, Manual Front Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions (W x D x H)\u003c\/th\u003e\n\u003ctd\u003e17.25\" x 19.5\" x 7.625\" (438 x 495 x 194 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUnit Weight\u003c\/th\u003e\n\u003ctd\u003eApprox. 43.0 lbs (19.5 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"bh-note\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection id=\"whats-in-the-box\" class=\"bh-section\"\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul class=\"bh-bullets\"\u003e\n\u003cli\u003eParasound JCM250 Monoblock Amplifier\u003c\/li\u003e\n\u003cli\u003eHeavy-gauge detachable IEC power cable\u003c\/li\u003e\n\u003cli\u003e12V trigger interconnect cable\u003c\/li\u003e\n\u003cli\u003eOwner's manual \u0026amp; warranty registration documents\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- No purchase\/CTA section --\u003e\u003c\/aside\u003e\n\u003c\/div\u003e\n\u003cmeta itemprop=\"brand\" content=\"Parasound\"\u003e \u003cmeta itemprop=\"category\" content=\"Power Amplifiers, Monoblock Amplifiers, High-End Audio Amplification\"\u003e\n\u003c\/div\u003e","brand":"Parasound","offers":[{"title":"Default Title","offer_id":51813287887214,"sku":"PARJCM250","price":4250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/1537\/4703\/files\/Parasound_JCM250.jpg?v=1738875964","url":"https:\/\/audiolab.com\/products\/parasound-jcm250-mono-block-power-amplifier","provider":"Audiolab","version":"1.0","type":"link"}