McIntosh Labs C2800 2-Channel Vacuum Tube Preamplifier
McIntosh’s C2800 blends tube warmth with fast dynamics, crisp focus and a generously layered soundstage. HiFi News found its rich, open presentation remarkably controlled, while Future Audiophile praised its forgiving musical ease. Sixteen inputs, configurable phono stages, HDMI ARC and a capable DAC make this a luxurious, genuinely versatile system hub.
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Deliciously Crispy
Sound Quality
93/100
Build Quality
93/100
Features Connectivity
94/100
Value for Money
91/100
Pros
Warm, rich tube voicing remains clear, fast, dynamic and controlled rather than sluggish.
Spacious, layered imaging with strong instrumental focus and convincing separation.
Exceptional connectivity: 16 analog/digital inputs, configurable MM/MC phono, HDMI ARC, balanced operation and subwoofer outputs.
Solid, beautifully made chassis with approachable control and extensive modern system integration.
Cons
Its warm, forgiving character is less suitable for listeners seeking an aggressively upfront, studio-monitor presentation.
Tube ownership brings some heat and eventual replacement requirements.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 93/100
Reviewers consistently describe a richly voiced but highly capable tube preamplifier: warm, forgiving and easy to hear into, yet still clear, quick and well organized. Its presentation favors musical flow and long-session comfort over an aggressively upfront, etched studio-monitor character.
Transparency Resolution
92/100
HiFi News found no shortage of resolution and praised the C2800's clarity, focus and insight into performances and recordings. The Absolute Sound likewise heard clear detail and subtle trumpet phrasing, although Future Audiophile notes that the tube voicing deliberately softens edges rather than pursuing an ultra-etched presentation.
Tonal Balance Musicality
94/100
Warmth, richness, sweetness and liquid musical flow are recurring themes across the reviews. Future Audiophile found it forgiving, engaging and inviting even with modest recordings, while HiFi News praised its rich, bold sound and striking ease of listening; listeners wanting a more forward sound may prefer a different voicing.
Dynamics
93/100
HiFi News reports that the C2800 maintains drive despite its warm character, reproducing huge dynamics, punchy rhythms and thrilling speed. It also heard music breathing naturally in the recorded acoustic, while Future Audiophile enjoyed convincing snare snap and vibrant instrumental presence.
Soundstage Imaging
94/100
The C2800 earned repeated praise for spaciousness, layering and focused placement within complex mixes. HiFi News heard a huge soundscape with superb instrumental focus, and The Absolute Sound reported a wide, immersive stage with clearly separated instruments and stable center imaging.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
93/100
Future Audiophile calls the C2800's build quality fantastic, while HiFi News describes it as solid and beautifully made. The compact-for-its-class chassis and manageable 12.5kg weight were also viewed positively; reviewers note that the tubes produce warmth, though not problematic heat in use.
Features Connectivity
94/100
This is an unusually comprehensive control center, with 16 inputs spanning analog, digital and configurable MM/MC phono use, plus balanced operation, multiple outputs, HDMI ARC and home-theater pass-through. Reviews also highlight the DA2 DAC, High Drive headphone section with crossfeed, network/app control and extensive automation connections.
Value for Money
91/100
At roughly $10,500-$13,290 depending on configuration and market, the C2800 is a costly preamplifier, but reviewers characterize the package as strongly justified within its luxury segment. The Absolute Sound called it great value at $9,000, and HiFi News praised the combination of excellent performance, abundant inputs and fuss-free valve operation.
Reviews & Sources
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Specifications
- Number of Channels
- 2
- Total Harmonic Distortion
- 0.08%
- Frequency Response
- +0, -0.5dB from 20Hz to 20kHz+0, -3dB from 15Hz to 100kHz
- Maximum Volts Out (Balanced / Unbalanced)
- 16V RMS / 8V RMS
- Sensitivity High Level (Balanced / Unbalanced)
- 900mV / 450mV
- Sensitivity Phono (Moving Coil)
- 0.45mV
- Sensitivity Phono (Moving Magnet)
- 4.5mV
- Signal To Noise Ratio (High Level)
- 100dB
- Signal To Noise Ratio (Moving Coil)
- 75dB
- Signal To Noise Ratio (Moving Magnet)
- 75dB
- Voltage Gain (High Level)
- 15dB
- Voltage Gain (Moving Coil)
- Selectable 40dB, 46dB, 52dB, 58dB, or 64dB
- Voltage Gain (Moving Magnet)
- Selectable 40dB, 46dB, 52dB, 58dB, or 64dB
- Input Impedance (Balanced / Unbalanced)
- 44K ohm, 22K ohm
- Balanced Input
- 3
- Unbalanced Input
- 4
- Phono Input Moving Coil
- Up to 2 (unit has 2 Phono inputs; each is user configurable as either Moving Coil or Moving Magnet)
- Phono Input Moving Magnet
- Up to 2 (unit has 2 Phono inputs; each is user configurable as either Moving Coil or Moving Magnet)
- Upgradeable Digital Audio Module
- Yes: DA2
- Digital Coaxial Inputs
- 2
- Digital Optical Inputs
- 2
- Digital MCT Inputs
- 1
- Digital USB Input
- 1
- HDMI (ARC) Input
- 1
- Digital AES/EBU Input
- 0
- Balanced Fixed Output
- 0
- Balanced Variable Output
- 3
- Unbalanced Fixed Output
- 0
- Unbalanced Variable Output
- 3
- Headphone Output
- 1/4" High Drive with Headphone Crossfeed Director (HXD®)
- Input Level Match
- Yes, +/- 6dB
- Home Theater PassThru
- Yes
- Unbalanced Analog Connector Type
- Premium gold-plated solid brass
- Service Port
- 1
- Network Connections
- 1
- Tone Controls
- Bass and Treble
- Tone Bypass and Input Assign
- Yes
- RS232 Control Inputs
- Yes
- Power Control Outputs
- 1 Main, 4 Trigger
- Rear Panel Data Ports
- 6
- Rear Panel IR Sensor Inputs
- Yes
- Multi-Chassis or Single
- Single, two layer
- Output Meters
- Yes
- Vacuum Tube or Solid State
- Vacuum Tube(3) 12AX7A and (1) 12AT7
- Power Consumption (On)
- 75 Watts
- Unit Dimensions (W x H x D)
- 17.5" (44.45cm) x 7.625" (19.4cm) x 16.5" (41.9cm)
- Unit Weight
- 28 lbs (12.5kg)
- Shipping Weight
- 43.5 lbs (19.7kg)
Manufacturer's Description — McIntosh Labs
- Type: Vacuum Tube
- 16 analog and digital inputs
- Includes DA2 Digital Audio Module
- Supports 24-bit/192kHz and DSD512 files
- Bass and Treble tone controls
- Subwoofer output
- A certified Roon Tested device
- Connects with Control4 Certification; Works with Crestron Home Certification
The C2800 Vacuum Tube Preamplifier is a masterpiece of audio passion and engineering precision. Crafted for discerning audiophiles and music enthusiasts alike, performance has been woven into the very fabric of this audio treasure. The C2800 has proudly earned the McIntosh name.
At the heart of the C2800 lies methodically designed vacuum tube circuitry. Leveraging the latest designs to all but eliminate noise and distortion, the C2800 reduces them to minuscule levels. Its four vacuum tubes, or valves, deliver a listening experience that transcends expectations.
INPUTS IN ABUNDANCE
With its 9 analog and 7 digital inputs (16 total inputs), the C2800 will become the nucleus of your home audio system. There are 3 balanced and 4 unbalanced analog inputs, plus 2 phono inputs that can be configured for either Moving Coil or Moving Magnet phono cartridges to connect your turntable(s). Both phono inputs feature adjustable Gain in 6dB steps from 40dB to 64dB as well as RIAA equalization.
Our DA2 Digital Audio Module houses the 7 digital inputs and is powered by an audiophile-grade Quad Balanced, 8-channel, 32-bit Digital-to-Analog Converter (DAC). The DA2 offers a variety of inputs, including an audio-only HDMI Audio Return Channel (ARC) input that will give your TV sound new life when played through your home stereo system. Multi-channel audio formats from Dolby and DTS will be expertly converted to two-channel audio for an enthralling listening experience.
The DA2 has 6 other digital inputs: 2 coaxial, 2 optical, 1 USB, and 1 MCT. The coax and optical inputs decode digital music up to 24-bit/192kHz for high resolution audio playback, while the USB input supports DSD512 and DXD 384kHz. And to get the best sound quality from the high definition audio on your SACD collection, the MCT input offers a secure, custom DSD connection when paired with our MCT series of SACD/CD Transports. The entire DA2 module is upgradeable and could be replaced by a future module should new digital technologies become available.
INNOVATIVE OUTPUTS FOR PERSONALIZED LISTENING
Offering advanced connection flexibility, there are 3 stereo sets of variable balanced and unbalanced outputs to connect the C2800 to your power amplifier(s). All sets of outputs can be active simultaneously, and each can send the audio signal from the source component to 3 separate audio systems.
Bi-amping a single speaker system can be accomplished using the Main output and Output 1 and their built-in adjustable High Pass and Low Pass filters. In this configuration, the High Pass outputs could be connected to a vacuum tube amplifier, and the Low Pass outputs could be connected to a solid-state amplifier. Then the adjustable crossover would let you optimize the performance of your amplifiers to your speaker’s specifications and to your listening preferences. Output 1 offers trim level control, which allows two different amplifiers to be volume balanced when bi-amping.
Additionally, Output 2 can be configured as either mono or stereo to allow it to send audio signal to a stereo audio system in another room, to a single mono subwoofer, or to 2 separate stereo subwoofers.
RETURN OF THE PROCESSOR LOOP
The C2800 features the return of the Processor Loop, something not available on the last few generations of McIntosh preamplifiers. The Processor Loop allows you to insert an external signal processor (such as our MQ112 Environmental Equalizer or MEN220 Room Correction System), dynamic range expanders, or other devices without having to place it between the preamplifier and power amplifier(s). This is usually more convenient and can allow for better performance.
The Processor Loop is also the perfect place to connect an analog tape recorder, a high-end cassette deck, or a 3-head reel deck that allows you to record from a source component and hear the recording just seconds later so you can monitor your recordings.
NETWORK CONNECTED FOR CONTROL AND UPDATES
In addition to using the included remote control or the front panel controls, the C2800 can be connected to your network which will unlock control options offered through our complimentary Connect app. Designed for both Android and Apple devices, the Connect app can be used to control key functions of the C2800 including Volume control as well as Input and Output selection.
Select McIntosh source components that have a data cable connected to the C2800 will be partially controllable via the app's Source Control feature. With Source Control, users will be able to control many of the source unit's functions from the app, such as changing radio stations on a tuner, or playing a disc in a CD Player. Source Control will bring added convenience to setups that have a secondary system connected to one of the C2800's outputs, such as an outdoor system where you will no longer be forced to go inside to control its basic functionality.
When connected to your network, the C2800 will also be able to receive periodic firmware updates. These firmware releases can add new features or provide important performance updates. Watch our McIntosh Connect App: Setup and How to Use video to get acquainted with the app.
The C2800 has received Connects with Control4 Certification from Control4, a leading global provider of smart home automation solutions, with the implementation of their Simple Device Discovery Protocol (SDDP), allowing it to be effortlessly integrated into Control4 automation systems to further enhance the user experience. It has also received Works with Crestron Home certification from Crestron, a global leader in advanced smart home technology. Crestron Home unlocks the full potential of a smart home. It’s the complete package for any size project, delivering a simpler, smarter user experience for homeowners, remarkably fast configuration and deployment for integrators, and the confidence that comes with renowned, best-in-class Crestron control hardware.
ADDITIONAL PERFORMANCE FEATURES
- Electronic bass and treble circuitry allows for adjustments of low and high frequencies in precise 1dB steps. The C2800 remembers your tone control circuitry bypass setting for each input.
- High Drive Headphone Amplifier with Headphone Crossfeed Director (HXD) technology brings an added dimension to headphone listening.
- Home Theater PassThru for seamless integration into your home theater system.
- Has received Roon Tested designation from Roon Labs.
- Power Control lets you easily turn other connected McIntosh components on and off.
- Data Ports can send remote control commands to connected source components.
- Electromagnetic Input Switching for reliable, noiseless, and distortion-free switching.
- Level Trim Adjustment for matching analog input levels to prevent abrupt changes in volume levels.
- Precision balanced, digitally controlled attenuator system for accurate volume control with 0.1dB accuracy.
- Fully regulated power supplies and a special R-core power transformer for stable, noise-free operation.
- Eco-friendly Power Management System that will turn the unit off after 30 minutes of inactivity (can be disabled).
ELEVATE YOUR AUDITORY JOURNEY
All this cutting-edge audio technology resides within the iconic McIntosh design – a black glass front panel adorned with blue meters, rotary knobs, and an illuminated logo. The polished stainless steel chassis adds a touch of elegance, making it a perfect companion for amplifiersCD playersturntables, and more.
With the C2800, experience the warmth and richness that only vacuum tubes can offer, elevating your listening experience to new heights. Contact your local dealer and embark on an audio adventure like never before.
1) The HDMI ARC input will only play audio from a compatible TV. It will not pass video to or from a TV, or play audio from any non-TV source. 2) Only powered subwoofers will work with this preamplifier. 3) Source components compatible with Source Control: MCD201, MCD205, MCD301, MCD350, MCD500, MCD550, MCD600, MCD751, MCD1000, MCD1100, MCD7009, MCD7010, MCD12000, MCT80, MCT450, MCT500, MR85, MR87, MR88, MR89, MR7084, MVP831, MVP841, MVP851, MVP861, MVP871, MVP881, MVP891, and MVP901.
The terms HDMI, HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. Dolby is a registered trademark of Dolby Laboratories. DTS, DTS-HD, the Symbol, & DTS or DTS-HD and the Symbol together are registered trademarks of DTS, Inc. © DTS, Inc. All Rights Reserved.
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Authorized dealers for McIntosh Labs C2800 2-Channel Vacuum Tube Preamplifier
- Absoulute Audio plus Video — in-store — Aiken, South Carolina, United States (website)
- Holt Hill — online and in-store — Andover, Massachusetts, United States (website)
- Resolution A/V — in-store — New York City, New York, United States (website)
- A Tube High Fidelity — online and in-store — Almere, Flevoland, Netherlands (website)
- Abt Electronics — online and in-store — Glenview, Illinois, United States (website)
- Acoustic Designs Inc. — in-store — Scottsdale, Arizona, United States (website)
- Advance Audio — in-store — Wichita, Kansas, United States (website)
- Ahead Stereo — in-store — Los Angeles, California, United States (website)
- Ajasom — online and in-store — Amadora, Lisboa, Portugal (website)
- Alen Audio — in-store — Extramurs, Comunidad Valenciana, Spain (website)
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