{"product_id":"ma2375-2-channel-vacuum-tube-integrated-amplifier","title":"MA2375 2-Channel Vacuum Tube Integrated Amplifier","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThe McIntosh MA2375 is a reference-grade, 2-channel vacuum tube integrated amplifier engineered to deliver an uncompromised all-analog listening experience in high-fidelity audio systems. It directly resolves the traditional performance trade-offs of standalone component stacks—such as complex multi-chassis footprint demands and fragile interconnect signal losses—by seamlessly blending a high-headroom vacuum tube preamplifier and a high-current vacuum tube power amplifier onto a single dual-layer framework. Utilizing four KT88 output tubes alongside a specialized array of 12AX7A and 12AT7 driver elements, it delivers 75 watts per channel of effortless, low-distortion power. This all-analog masterpiece functions as a pristine audio sanctuary, preserving delicate transient dynamics and complex harmonic textures across virtually any loudspeaker pairing.\u003c\/p\u003e\u003ch4\u003eSimcoe Audio Video Insight\u003c\/h4\u003e\u003cp\u003eThis integrated architecture represents an extraordinary structural achievement, combining legendary holographic tube midrange liquidity with an absolute, unwavering grip over low-frequency transducer elements. In our high-end residential salon projects, we find the proprietary transformer array ensures the full 75-watt delivery remains perfectly uniform and uncompressed across changing speaker impedances, completely avoiding the thin, clinical anomalies often found in generic amplification paths. The inclusion of a 5-band analog equalizer provides elegant, phase-correct room calibration, allowing you to fine-tune specific acoustic boundary room nodes without degrading the purity of the underlying analog stream.\u003c\/p\u003e\u003cp\u003ePro Tip: To secure maximum operational longevity and maintain absolute thermal stability across the vacuum tube array, ensure the chassis is installed on a dense, vibration-isolated foundation with ample open overhead ventilation space. If integrating local vinyl playback architectures, utilizing the highly flexible internal phono stage eliminates the need for an external preamplifier, allowing you to dial in exact capacitive and resistive loading directly at the amplifier input board.\u003c\/p\u003e\u003ch3\u003eMore Details\u003c\/h3\u003e\u003ch4\u003eWhy It Wins\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnity Coupled Output Transformers\u003c\/strong\u003e: Deploys proprietary circuit technology to deliver the full 75 watts of continuous power into 4, 8, or 16-ohm loads with equal authority.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePure Multi-Tube Complement\u003c\/strong\u003e: Combines four KT88 output tubes, four 12AT7 driver tubes, and two 12AX7A preamplifier elements to secure native holographic staging and rich, full-bodied musicality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Guard Screen Grid Sensor® Matrix\u003c\/strong\u003e: Features advanced real-time monitoring circuitry designed to dynamically prevent destructive tube clipping while actively shielding the physical speaker voice coils.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWhat Makes It Different\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIconic Dual Blue Watt Meters\u003c\/strong\u003e: Integrates McIntosh signature illuminated blue power indicators onto a polished stainless-steel chassis framework, providing beautiful visual calibration feedback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Drive Headphone Director\u003c\/strong\u003e: Incorporates a dedicated 1\/4-inch headphone amplifier stage backed by specialized Headphone Crossfeed Director (HXD) geometry to map an open, speaker-like image during private listening sessions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTechnical Highlights\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigurable Phono Interface\u003c\/strong\u003e: Incorporates a high-performance, universal phono input section that adapts instantly to either Moving Coil or Moving Magnet cartridges via user-adjustable gain, capacitance, and resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Control Integration\u003c\/strong\u003e: Features specialized Home Theater PassThru, dedicated data ports, and an RS232 input node to ensure seamless handshaking with advanced home automation systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBuyers Guide\u003c\/h3\u003e\u003ch4\u003eWho This Is For\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Uncompromising Audio Purist\u003c\/strong\u003e: Dedicated listeners seeking the definitive warmth, dimensional depth, and micro-detail resolution of an elite, all-analog vacuum tube path without multi-chassis complexity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Luxury System Enthusiast\u003c\/strong\u003e: Collectors who demand an iconic centerpiece component that anchors a premium 2-channel listening zone with verified structural craftsmanship and timeless styling.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWhat To Pair It With\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference Standmount or Floorstanding Speakers\u003c\/strong\u003e: Matching the amplifier with highly articulate transducers allows the low-distortion transformers to reveal a deep, three-dimensional acoustic soundstage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Purity Analog Source Components\u003c\/strong\u003e: Interconnecting premium vinyl turntables or high-resolution external digital-to-analog converters using the gold-plated solid brass inputs maintains signal absolute purity.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"McIntosh","offers":[{"title":"Default Title","offer_id":48021797208285,"sku":"LM-SYWM-JAMW","price":21500.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0331\/1930\/5859\/files\/mcintosh-ma2375-integrated-amplifier-front-angle.webp?v=1781194227","url":"https:\/\/www.simcoeav.ca\/fr\/products\/ma2375-2-channel-vacuum-tube-integrated-amplifier","provider":"Simcoe Audio Video","version":"1.0","type":"link"}