McIntosh MA2375 Vacuum Tube Integrated Amplifier

MA2375 Vacuum Tube Integrated Amplifier

Our first vacuum tube integrated amplifier in over a decade, the MA2375 Vacuum Tube Integrated Amplifier is a statement of uncompromising artistry. Crafted for the music purist but refined for the modern listener, the MA2375 invites you to rediscover your music with amazing clarity and beauty. Every detail, from its polished stainless-steel chassis to the warm glow of its tubes, reflects our legacy of excellence and timeless design.

PURE TUBE ARTISTRY

This all-analog masterpiece combines a vacuum tube preamplifier with a vacuum tube power amplifier in a single, elegantly designed unit. In the power amplifier section, four KT88 output tubes and four 12AT7 driver tubes deliver 75 watts per channel of effortless, low-distortion power. You will experience a rich, full-bodied sound through virtually any speakers thanks to our Unity Coupled Circuit Output Transformers. The vacuum tube preamplifier portion is powered by two 12AX7A and two 12AT7 preamp tubes.

ICONIC STYLING BLENDED WITH MODERN PERFORMANCE

The MA2375 effortlessly blends timeless McIntosh design with cutting-edge performance. Dual McIntosh blue watt meters, a polished stainless-steel chassis, and the signature glow of vacuum tubes create an aesthetic as captivating as the sound. A 5-band analog equalizer offers personalized tonal shaping, while the High Drive headphone amplifier with Headphone Crossfeed Director (HXD^®) adds dimensionality to private listening.

To protect the KT88 output vacuum tubes, our Power Guard Screen Grid Sensor^® (SGS) technology continuously monitors the current and adjusts the input signal in real-time to maintain optimal performance and tube integrity. If the current becomes too high, Power Guard SGS^® will dynamically attenuate the input signal to keep the vacuum tubes operating at safe levels. Combined with Sentry Monitor™ fuse-less short-circuit protection, the MA2375 is engineered for enduring reliability without compromise. 

CONNECTION FLEXIBILITY

The MA2375 offers an array of analog inputs, including two balanced and three unbalanced connections, to connect music streamers with analog outputs, CD players, tuners, and D/A converters. Connecting a turntable is an easy task via the configurable phono input that can accommodate both Moving Coil and Moving Magnet cartridges. The phono stage includes adjustable Gain, Capacitance, Resistance Loading, and RIAA equalization for optimal vinyl playback. A subwoofer output enables the addition of a powered subwoofer to extend low-frequency performance.

Our gold-plated Solid Cinch™ speaker binding posts ensure a secure and corrosion-resistant connection for your speaker cables, while an unbalanced preamp output supports the addition of a second amplifier in advanced multi-zone audio systems.

EASY CONTROL AND INTEGRATION

Convenience features include Power Control, enabling synchronized power on/off for connected McIntosh components; Home Theater PassThru for seamless integration into a home theater system; and Data Ports to send remote control commands to connected source components. An RS232 port enables advanced control options with third-party systems, or the unit can be operated via the included remote control for ultimate ease of use.

ELEVATE EVERY NOTE

The MA2375 Vacuum Tube Integrated Amplifier redefines what’s possible in high-fidelity sound, inviting you to experience music in its purest form. Contact your McIntosh dealer to discover how the MA2375 can transform your listening space into a sanctuary of sound.

• Electronic Specifications

  • FTC Power Output Rating

    75 W

  • Power Output per Channel

    75 W into 4, 8, or 16 ohms

  • Number of Channels

    2

  • Rated Power Band

    20Hz to 20kHz

  • Total Harmonic Distortion

    0.5% maximum with both channels operating from 250 milliwatts to rated power, 20Hz to 20kHz

  • Dynamic Headroom

    1.2dB

  • Frequency Response +0,-0.5dB

    20Hz to 20kHz

  • Frequency Response, +0, -3dB

    10Hz to 50kHz

  • Sensitivity Phono

    3mV

  • Sensitivity High Level (Balanced / Unbalanced)

    600mV/300mV

  • Sensitivity (Power Amp input)

    N/A

  • Signal To Noise Ratio (Moving Coil)

    75dB

  • Signal To Noise Ratio (Moving Magnet)

    75dB

  • Signal To Noise Ratio (High Level)

    95dB

  • Signal To Noise Ratio (Power Amp input)

    N/A

  • Input Impedance (Balanced / Unbalanced)

    44K/22K
    Phono: 100 - 47kΩ; 50 - 400pF

  • Damping Factor

    >22

  • Maximum Output (Balanced / Unbalanced)

    16V Balanced
    8V Unbalanced

  Connectivity

  • Balanced Input

    2

  • Unbalanced Input

    3

  • Phono Input Universal

    1 (configurable as either Moving Coil or Moving Magnet)

  • Upgradeable Digital Audio Module

    No

  • Digital Coaxial Inputs

    0

  • Digital Optical Inputs

    0

  • Digital MCT Inputs

    0

  • Digital USB Input

    0

  • HDMI (ARC) Input

    0

  • Balanced Variable Output

    0

  • Unbalanced Fixed Output

    0

  • Unbalanced Variable Output

    1

  • Headphone Output

    1/4" High Drive with Headphone Crossfeed Director (HXD^®)

  • Subwoofer Outputs

    1

  • AM/FM Tuner option

    No

  • Home Theater PassThru

    Yes

  • Unbalanced Analog Connector Type

    Premium gold-plated solid brass

  • Speaker Binding Post Type

    Patented Solid Cinch^™ Speaker Binding Posts

  • Service Port

    1

  Digital Audio Specifications

  • Digital-to-Analog Converter (DAC) Type

    N/A

  • Digital Coaxial Input Sample Rate

    N/A

  • Digital Optical Input Sample Rate

    N/A

  • Digital MCT Input Sample Rate

    N/A

  • Digital USB Input Sample Rate

    N/A

  • Digital Network/Wi-Fi Input Sample Rate

    N/A

  Control

  • Tone Controls

    5-Band

  • Tone Bypass and Input Assign

    Yes

  • RS232 Control Inputs

    Yes

  • Power Control Outputs

    1

  • Rear Panel Data Ports

    2

  • Rear Panel IR Sensor Inputs

    Yes

  • Input Level Match

    Yes

  General Specifications

  • Vacuum Tube or Solid State

    Vacuum Tube

  • Output Type

    Unity Coupled Output Transformer

  • Output Meters

    Yes

  • Dual Layer Chassis

    Yes

  • Chassis Finish

    Polished stainless steel

  • McIntosh Monogrammed Heatsinks™

    No

  • Power Requirement

    120V 50/60Hz, 3.6A

  • Standby Power Requirement

    <0.25 Watts

  Weights & Dimensions

  • Unit Dimensions (W x H x D)

    17-13/16" (45.2cm) x 9-15/16" (25.2cm) x 20-7/16" (51.9cm)

  • Unit Weight

    93 lbs (42.2 kg)

  • Shipping Weight

    103 lbs (46.7 kg)