{"product_id":"dan-dagostino-progression-s350-stereo-amplifier","title":"Dan D'Agostino Progression S350 Stereo Amplifier","description":"\u003cp\u003eThe \u003cb\u003eDan D'Agostino Progression S350 Stereo Amplifier\u003c\/b\u003e brings the remarkable power, speed, and refinement of the Progression Series into a versatile single-chassis stereo design. Available through \u003cb\u003eTrimira Audio\u003c\/b\u003e, Brisbane’s premier destination for ultra-high-end HiFi, the S350 incorporates key architectural advancements derived directly from the flagship Relentless Monoblock.\u003c\/p\u003e\n\u003cp\u003eDelivering an authoritative \u003cb\u003e350 Watts per channel into 8 Ohms\u003c\/b\u003e, the Progression S350 doubles its output linearly to \u003cb\u003e700 Watts into 4 Ohms\u003c\/b\u003e and \u003cb\u003e1,400 Watts into 2 Ohms\u003c\/b\u003e. Whether driving complex, power-hungry loudspeakers or delicate high-efficiency designs, the S350 maintains unflappable composure, expansive soundstaging, and liquid detail.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Technological Innovations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRelentless-Derived Elliptical Heatsinks:\u003c\/b\u003e Features cooling fins precision-milled from massive 48.5 lb (22 kg) solid aluminum billets. The highly efficient elliptical form expands surface area, allowing a higher operating bias while keeping operating temperatures stable under intense demand.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eExtended Pure Class A Performance:\u003c\/b\u003e Upgraded output devices paired with high-efficiency thermal dissipation allow an increased operating bias—extending pure Class A performance up to \u003cb\u003e45 Watts\u003c\/b\u003e, delivering natural instrumental timbres and smooth harmonic richness.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eExclusive Super Rail Topology:\u003c\/b\u003e Utilizes higher voltage supply rails in the sections prior to the output stage (acting like a turbocharger for audio signals) to maximize signal swing, lower distortion, and maintain a firm grip on the speaker drivers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e48 High-Speed Output Transistors:\u003c\/b\u003e Driven by 48 ultra-fast output transistors—first introduced in the Relentless series—handling four times the power and offering exceptional gain matching between complementary pairs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHeavy-Duty 2,000 VA Transformer:\u003c\/b\u003e Powered by a massive 2,000 VA power supply transformer and nearly 100,000 µF of filter capacitance, supplying immediate current during demanding dynamic passages.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDual 180-Degree Ballistic Power Meters:\u003c\/b\u003e Features an anodized aluminum faceplate with twin analog watch-dial power meters. High-speed ballistic circuitry ensures real-time needle movement reflecting dynamic power output.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature \/ Metric\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eOutput Power (per channel)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e350 W @ 8Ω \/ 700 W @ 4Ω \/ 1,400 W @ 2Ω\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eFrequency Response\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 Hz – 80 kHz (-1 dB) \/ 20 Hz – 20 kHz (±0.01 dB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eDistortion (THD)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.015% @ 1 kHz @ 350 W into 8Ω\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eSignal-to-Noise Ratio\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026gt;105 dB (unweighted) \/ \u0026gt;75 dB (A-weighted)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eClass A Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 45 Watts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eInput Impedance\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100 kΩ\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eOutput Impedance\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.1 Ω\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eInputs \/ Outputs\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 Pair Balanced XLR Inputs \/ 1 Pair Custom Heavy-Duty Binding Posts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eDimensions (W x H x D)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e17.875 x 9.0 x 23.0 in \/ 45.4 x 23.0 x 58.4 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eWeight\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e115 lbs \/ 52.2 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eFinishes Available\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAnodized Silver, Stealth Black, or Custom Finishes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\n\u003cbr\u003eExperience Progression S350 at Trimira Audio\u003c\/h3\u003e\n\u003cp\u003eConnect with the audio experts at \u003cb\u003eTrimira Audio\u003c\/b\u003e to explore component matching, assess speaker pairing options, or schedule a private audition of the Dan D'Agostino Progression S350 Stereo Amplifier.\u003c\/p\u003e","brand":"Dan D'Agostino","offers":[{"title":"Default Title","offer_id":44711681818690,"sku":null,"price":49995.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0029\/9686\/3046\/files\/S350FrontTransparent.png?v=1786412502","url":"https:\/\/trimira.com.au\/products\/dan-dagostino-progression-s350-stereo-amplifier","provider":"Trimira","version":"1.0","type":"link"}