Description

The McIntosh MA2375 marks the American brand's return to all-tube integrated amplification, which had been absent from its catalog for over ten years, namely since the famous MA2275. It is a completely analog two-channel tube integrated amplifier , combining a tube preamp stage and a tube power stage in a single chassis. It delivers 75 watts per channel into 4, 8, and 16-ohm loads thanks to its proprietary Unity Coupled output transformers , capable of maintaining the nominal power constant regardless of the impedance of the connected speakers.

The power section uses four KT88 tubes , while the preamplification relies on 12AX7A and 12AT7 tubes. This combination is designed to deliver the warm, full-bodied tone typical of tube sound, without sacrificing control. Protection is provided by two McIntosh technologies: the Power Guard Screen Grid Sensor (SGS) , which monitors the current to the power tubes in real time and dynamically attenuates the signal in the event of anomalies, and the fuse-less Sentry Monitor system , which safeguards the electronics and speakers.

The MA2375 is also a complete system hub. It integrates a MM/MC phono stage configurable for gain, load, and capacitance, a 5-band analog equalizer that can be switched off for each input, and a high-output headphone amplifier with Headphone Crossfeed Director (HXD) technology. For those wondering how to connect a subwoofer to a McIntosh tube amplifier, there's a dedicated mono output, alongside a full-range pre-out for driving an additional power amplifier. The Home Theater Pass-Thru function, renameable balanced XLR and unbalanced RCA inputs, and Power Control, Data, RS232, and IR control interfaces complete the package.

Aesthetically, the brand's iconic features remain: dual blue backlit VU meters, illuminated exposed tubes, and a sturdy, two-layer, mirror-polished stainless steel chassis with removable protective cages. This amplifier is designed for those seeking a hi-fi tube amplifier that combines the musicality of tubes with the flexibility and reliability of a modern system.

Specifications

Amplification type	valve
Valves used	4x 12AX7A, 4x 12AT7 (preamp); 4x 12AT7 (drive), 4x KT88 (power)
RMS power per channel	75 W
Reference load	4, 8, 16
Stadio phono	MM+MC
Analog inputs	2x balanced XLR L/R; 3x unbalanced RCA L/R; 1x RCA Phono
Weight	42.2 kg
Dimensions (WxHxD)	452 x 251 x 519 mm
country of origin	USA
Trim	Mirror polished stainless steel

About the brand

McIntosh is an American hi-fi icon, founded in 1949 by Frank McIntosh in Binghamton, New York. The brand positions itself in the luxury segment of the hi-fi market, representing excellence in audio electronics for discerning audiophiles who accept no compromises on the sound quality and aesthetics of their stereo systems.

The McIntosh story begins with a technological revolution: Frank McIntosh developed the first amplifier with Unity Coupled Circuit output transformers, a solution that eliminated the distortion typical of amplifiers of the time. This innovative philosophy has guided the company for over seventy years, cementing McIntosh's reputation as synonymous with excellence in high fidelity. The American brand has always pursued sonic perfection through a rigorous engineering approach, combining advanced proprietary technologies with an unmistakable design characterized by the legendary illuminated blue glass front panels and distinctive analog metering. The McIntosh corporate philosophy is based on three fundamental pillars: constant technological innovation, uncompromising build quality, and iconic design that makes each product instantly recognizable. Each component is designed and assembled in the United States following extreme quality standards, with particular attention to material selection and artisanal manufacturing processes that guarantee superior performance and long-lasting durability.

McIntosh's distinctive technologies are at the heart of the company's research. The Unity Coupled Circuit remains one of its most important innovations, allowing for a perfectly linear frequency response and virtually zero harmonic distortion. McIntosh output transformers are entirely handcrafted using ultra-pure copper wire and select magnetic cores, ensuring optimal power transfer and natural sound coloration. McIntosh's exclusive Autoformer technology ensures perfect impedance matching for any load, allowing McIntosh amplifiers to effectively drive any type of floorstanding or bookshelf speaker. Power Guard is a proprietary system that prevents clipping by simultaneously protecting amplifiers and speakers, while Sentry Monitor technology constantly monitors operating parameters and automatically intervenes in the event of anomalies.

The McIntosh product range covers every category of high fidelity, with a precise classification ranging from digital and analog sources to the most powerful power amplifiers on the market. The MA Series transistor integrated amplifiers represent the perfect balance between power and refinement, while the MA-V and MC Series tube integrated amplifiers offer the magic of tube sound with modern reliability. McIntosh pre- and power amplifiers are the ultimate solution for reference stereo systems, allowing for a modular configuration that can be customized to meet specific needs. The McIntosh turntable category offers complete solutions with matching tonearms and cartridges, while the CD/SACD/DVD players integrate the most advanced digital-to-analog conversion technologies for music reproduction faithful to the original artistic intentions.

McIntosh product series are distinguished by specific technical features and differentiated market targets. The MA Series includes integrated amplifiers from 50 to 350 watts per channel, all equipped with Autoformer technology and compatible with any load impedance. The MC Series power amplifiers reach power up to 1200 watts per channel, ideal for driving large floorstanding speakers or complex multichannel configurations. The C Series includes reference preamplifiers with dedicated MM/MC phono stages for high-end turntables, while the MCD Series offers digital players with proprietary 32-bit converters. The McIntosh source line also includes music servers and network streamers for listening to high-resolution files, always maintaining the quality standards that characterize the American brand.

McIntosh has received numerous accolades from the international audio press, with awards from prestigious publications such as Stereophile, The Absolute Sound, Hi-Fi News, and What Hi-Fi. McIntosh amplifiers are regularly ranked among the best hi-fi products, receiving excellent ratings for sound quality, construction, and design. Expert reviewers particularly appreciate the ability of McIntosh electronics to combine exceptional technical performance with unique emotional engagement, a characteristic that distinguishes the best high-fidelity components. Comparative tests consistently highlight the superior dynamics, three-dimensional spatiality, and natural tonal quality of stereo systems based on McIntosh electronics.

McIntosh's audiophile target audience includes music enthusiasts who seek absolute sonic excellence and are willing to invest in superior components. The price range is in the premium-luxury segment, with transistor integrated amplifiers starting at €6.000 up to pre-power systems exceeding €50.000. This pricing policy reflects the craftsmanship, proprietary technologies, and ongoing research that characterize every McIntosh product, making them lasting investments for discerning audiophiles.

McIntosh's Italian distribution is entrusted to selected specialized dealers who guarantee qualified advice and professional technical assistance. After-sales service includes specialized technical support, original spare parts, and preventative maintenance to maintain optimal performance over time. The Italian distribution network ensures national coverage with dedicated showrooms where you can try McIntosh products in optimized reference configurations.

Explore McIntosh

Find out more on our blog

McIntosh MA2375: The Return of the Pure Tube Integrated Amplifier

After more than a decade, McIntosh presents a new all-tube integrated amplifier: the MA2375. Twelve tubes, 75 watts per channel, zero concessions to digital. In a market that is moving towards integrated DACs and wireless streaming, Binghamton chooses the path oppois: a…

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The MA2375 arrives at a unique moment in history. While most hi-fi manufacturers are pushing for integration—DACs, streamers, Bluetooth, room correction—McIntosh opts for subtraction. No digital modules, no DSP, no architectural compromises. Six analog inputs: two balanced, three unbalanced, and a configurable MM/MC phono input, plus two speaker outputs with impedance selection.

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