{"product_id":"sugden-masterclass-mpa-4-pure-class-a-mono-power-amplifiers-pair","title":"Sugden Masterclass MPA-4 Pure Class A Mono Power Amplifiers – Pair","description":"\u003ch1\u003eSugden Masterclass MPA-4 – Pure Class A Monoblock Amplifiers, Pair\u003c\/h1\u003e\n\n\u003cp\u003e\u003cstrong\u003eSold as a matched pair of mono power amplifiers.\u003c\/strong\u003e The Sugden Masterclass MPA-4 is designed for high-end stereo systems requiring the musical refinement of pure Class A amplification together with substantial power, headroom and dedicated amplification for each loudspeaker.\u003c\/p\u003e\n\n\u003cp\u003eEach MPA-4 delivers 165 watts into 8 ohms and uses a fully balanced circuit architecture. By assigning one complete amplifier and power supply to each channel, the pair provides excellent channel separation, confident loudspeaker control and the scale required for demanding recordings and premium loudspeakers.\u003c\/p\u003e\n\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\n\u003cp\u003e\nThe MPA-4 sits at the top of Sugden’s Masterclass power-amplifier range. Its pure Class A circuit is designed to preserve low-level information, tonal texture and dynamic flow, while the monoblock configuration gives each channel its own chassis, amplification stage and power supply.\n\u003c\/p\u003e\n\n\u003cp\u003e\nSugden developed the MPA-4 for systems where performance takes priority over compact dimensions. Its generous headroom allows complex music to retain clarity and composure, while the fully balanced design makes it a natural partner for the Sugden Masterclass LA-4 preamplifier and other high-quality balanced sources.\n\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDedicated amplification for each channel:\u003c\/strong\u003e separate monoblocks improve channel isolation and system scale.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePure Class A operation:\u003c\/strong\u003e designed for natural tonal balance, fluid dynamics and fine musical detail.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSubstantial output:\u003c\/strong\u003e 165 watts into 8 ohms from each amplifier supports demanding premium loudspeakers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFully balanced signal path:\u003c\/strong\u003e balanced input architecture supports low-noise integration with suitable preamplifiers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBritish craftsmanship:\u003c\/strong\u003e each Masterclass component is handmade at Sugden’s Yorkshire factory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSold as a pair:\u003c\/strong\u003e 2 × MPA-4 mono power amplifiers\u003c\/li\u003e\n  \u003cli\u003ePure Class A monoblock architecture\u003c\/li\u003e\n  \u003cli\u003eFully balanced circuit design\u003c\/li\u003e\n  \u003cli\u003eOne balanced input per amplifier\u003c\/li\u003e\n  \u003cli\u003eOne pair of multi-way locking loudspeaker binding posts per amplifier\u003c\/li\u003e\n  \u003cli\u003e165W output into 8Ω per monoblock\u003c\/li\u003e\n  \u003cli\u003eWide 2Hz–200kHz bandwidth at the -3dB points\u003c\/li\u003e\n  \u003cli\u003eHandmade in Yorkshire, England\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\n\u003cp\u003e\nThe Sugden Masterclass MPA-4 pair is intended for serious two-channel systems using a dedicated preamplifier and balanced connections. It is particularly appropriate for medium and large listening rooms, premium floorstanding loudspeakers and listeners who want the natural presentation of Class A amplification with considerably greater output capability than Sugden’s integrated amplifiers.\n\u003c\/p\u003e\n\n\u003cp\u003e\nBecause each unit is substantial and operates in pure Class A, suitable equipment support, ventilation and space for two full-width amplifier chassis should be planned in advance.\n\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eProduct type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003ePure Class A mono power amplifiers, sold as a pair\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eQuantity supplied\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e2 monoblock amplifiers\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eInput per amplifier\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e1 × balanced mono input\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOutput per amplifier\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e1 pair of multi-way locking loudspeaker binding posts\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eInput sensitivity\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e1V for full output\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePower output\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e165W into 8Ω per monoblock\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eFrequency response\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e15Hz–30kHz, ±0dB\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eBandwidth\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e2Hz–200kHz at the -3dB points\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSignal-to-noise ratio\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eGreater than 85dB\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eDimensions per amplifier (H × W × D)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e250 × 430 × 360mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eGross packed weight\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e25kg per amplifier \/ 50kg for the pair\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eManufacture\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eHandmade in Yorkshire, England\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy We Selected This Product\u003c\/h2\u003e\n\n\u003cp\u003e\nAt ExclusivIT, we value amplification that delivers authority without losing sight of musical expression. The MPA-4 pair combines the separation and control of dedicated monoblocks with Sugden’s established pure Class A philosophy, making it a compelling foundation for a carefully assembled reference stereo system.\n\u003c\/p\u003e\n\n\u003cp\u003e\nIts appeal lies in its focus: balanced analogue amplification, substantial power and meticulous British construction. For listeners prepared to accommodate two full-size amplifiers, the MPA-4 offers a meaningful step beyond a conventional stereo power amplifier in scale, channel independence and long-term system potential.\n\u003c\/p\u003e","brand":"SUGDEN AUDIO","offers":[{"title":"Titanium","offer_id":54644391084355,"sku":"SUGDEN-MSMPA4-T","price":16700.0,"currency_code":"EUR","in_stock":true},{"title":"Graphite","offer_id":54644391117123,"sku":"SUGDEN-MSMPA4-G","price":16700.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0788\/2080\/2883\/files\/SPA4NoHandlesLR_5c801f66-1a7c-4520-9e5d-cdec7e9d9a6e.avif?v=1784295640","url":"https:\/\/www.exclusivit.eu\/products\/sugden-masterclass-mpa-4-pure-class-a-mono-power-amplifiers-pair","provider":"ExclusivIT","version":"1.0","type":"link"}