{"product_id":"dan-dagostino-momentum-s250-to-s250-mxv-upgrade","title":"Dan D'Agostino Momentum S250 to S250 MxV Upgrade","description":"\u003cp\u003eThe \u003cb\u003eMomentum S250 to S250 MxV Upgrade\u003c\/b\u003e offers existing owners of the Dan D'Agostino Momentum S250 Stereo Amplifier a factory-authorized pathway to current \u003cb\u003eMomentum S250 MxV\u003c\/b\u003e performance levels. Coordinated through \u003cb\u003eTrimira Audio\u003c\/b\u003e, Brisbane’s destination for ultra-high-end audio, this upgrade replaces all internal signal and power circuitry while retaining the iconic, precision-machined aluminum and copper chassis.\u003c\/p\u003e\n\u003cp id=\"p-rc_0bb5c3aca970a437-112\"\u003e\u003cspan class=\"citation-349 citation-end-349\"\u003eNamed after the physics formula for momentum (\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e$M \\times V$\u003c\/span\u003e\u003cspan class=\"citation-348\"\u003e, or \u003c\/span\u003e\u003ci\u003e\u003cspan class=\"citation-348\"\u003eMass times Velocity\u003c\/span\u003e\u003c\/i\u003e\u003cspan class=\"citation-348 citation-end-348\"\u003e), the MxV designation integrates circuit design breakthroughs directly trickle-down from the flagship Relentless Monoblocks.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Technological Innovations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_0bb5c3aca970a437-113\"\u003e\u003cb\u003e2,200 VA Linear Transformer with Advanced Winding:\u003c\/b\u003e \u003cspan class=\"citation-347 citation-end-347\"\u003eIncorporates a re-engineered 2,200 VA ultra-quiet transformer that reduces hysteresis losses by 90% and delivers over 50% more current output within the same footprint.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_0bb5c3aca970a437-114\"\u003e\u003cb\u003eNearly 100,000 µF Reservoir:\u003c\/b\u003e \u003cspan class=\"citation-346 citation-end-346\"\u003eFeeds a high-speed capacitor bank of nearly 100,000 µF, ensuring massive instantaneous power reserves for dynamic orchestral peaks and low-frequency control.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_0bb5c3aca970a437-115\"\u003e\u003cb\u003eRelentless-Derived Input \u0026amp; Output Stages:\u003c\/b\u003e \u003cspan class=\"citation-345 citation-end-345\"\u003eFeatures front-end bipolar transistors delivering ten times the current capability of previous designs, coupled with 28 ultra-fast 69 MHz output transistors originally engineered for the Relentless Series.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_0bb5c3aca970a437-116\"\u003e\u003cb\u003eFully Complementary Driver Section:\u003c\/b\u003e \u003cspan class=\"citation-344 citation-end-344\"\u003eUtilizes discrete transistors for positive and negative signal halves, doubling the current drive fed to the output stage and doubling open-loop gain for a more open, transparent, and authoritative soundstage.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_0bb5c3aca970a437-117\"\u003e\u003cb\u003eZero-Global-Feedback Architecture:\u003c\/b\u003e \u003cspan class=\"citation-343 citation-end-343\"\u003eMaintains D'Agostino's direct-coupled, fully balanced topology to eliminate signal phase distortion and deliver unmatched sonic purity.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_0bb5c3aca970a437-118\"\u003e\u003cb\u003ePreserved Chassis Aesthetics:\u003c\/b\u003e \u003cspan class=\"citation-342 citation-end-342\"\u003eRetains the existing chassis and 250W scale dual-needle analog power meter.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications \u0026amp; Upgrade Comparison\u003c\/h3\u003e\n\u003ctable style=\"width: 99.9801%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8594%;\"\u003e\u003cstrong\u003eFeature \/ Metric\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 29.5005%;\"\u003e\u003cstrong\u003eMomentum S250 \u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 34.9803%;\"\u003e\u003cstrong\u003eMomentum S250 MxV \u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8594%;\"\u003e\u003cspan\u003e\u003cb\u003eOutput Power @ 8Ω (per ch)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 29.5005%;\"\u003e\u003cspan\u003e250 W RMS\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 34.9803%;\"\u003e250 W RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8594%;\"\u003e\u003cspan\u003e\u003cb\u003eOutput Power @ 4Ω (per ch)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 29.5005%;\"\u003e\u003cspan\u003e500 W RMS\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 34.9803%;\"\u003e500 W RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8594%;\"\u003e\u003cspan\u003e\u003cb\u003eOutput Power @ 2Ω (per ch)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 29.5005%;\"\u003e\u003cspan\u003e1,000 W RMS\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 34.9803%;\"\u003e1,000 W RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8594%;\"\u003e\u003cspan\u003e\u003cb\u003eMain Transformer\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 29.5005%;\"\u003e\u003cspan\u003e1,800 VA Linear Transformer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 34.9803%;\"\u003e2,200 VA Ultra-Quiet Transformer (+50% Current Output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8594%;\"\u003e\u003cspan\u003e\u003cb\u003ePower Supply Capacitance\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 29.5005%;\"\u003e\u003cspan\u003eStandard Capacitance Bank\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 34.9803%;\"\u003e~100,000 µF High-Speed Bank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8594%;\"\u003e\u003cspan\u003e\u003cb\u003eOutput Stage Devices\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 29.5005%;\"\u003e\u003cspan\u003e69 MHz Power Transistors\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 34.9803%;\"\u003e28 High-Output 69 MHz Relentless-Spec Devices\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8594%;\"\u003e\u003cspan\u003e\u003cb\u003eMeter Plate\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 29.5005%;\"\u003e\u003cspan\u003e250W Scale Meter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 34.9803%;\"\u003eRetained 250W Scale Meter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8594%;\"\u003e\u003cspan\u003e\u003cb\u003eFrequency Response\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 29.5005%;\"\u003e\u003cspan\u003e1 Hz – 200 kHz (-1 dB)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 34.9803%;\"\u003e1 Hz – 200 kHz (-1 dB) \/ 20 Hz – 20 kHz (±0.1 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8594%;\"\u003e\u003cspan\u003e\u003cb\u003eSignal-to-Noise Ratio\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 29.5005%;\"\u003e\u003cspan\u003e\u0026gt;105 dB (unweighted)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 34.9803%;\"\u003e\u0026gt;105 dB (unweighted) \/ \u0026gt;75 dB (A-weighted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\n\u003cbr\u003eSchedule Your S250 MxV Upgrade with Trimira Audio\u003c\/h3\u003e\n\u003cp\u003eContact the team at \u003cb\u003eTrimira Audio\u003c\/b\u003e to confirm your Momentum S250 serial number, discuss upgrade pricing, and arrange factory service logistics.\u003c\/p\u003e","brand":"Dan D'Agostino","offers":[{"title":"Default Title","offer_id":44712472805442,"sku":null,"price":0.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0029\/9686\/3046\/files\/images_1_63c8f307-edbc-49fc-be47-2dfb36e348fe.png?v=1786418302","url":"https:\/\/trimira.com.au\/products\/dan-dagostino-momentum-s250-to-s250-mxv-upgrade","provider":"Trimira","version":"1.0","type":"link"}