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C2800 2-Channel Vacuum Tube Preamplifier
 
16 inputs: 7 analog, 2 phono, 7 digital
4 Vacuum Tubes: (3) 12AX7A and (1) 12AT7
Dedicated Subwoofer output
Controllable by McIntosh Connect app
Includes Processor Loop
Supports 24-bit/192kHz and DSD512 files
Roon Tested
 
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.
 
The C2800's four vacuum tubes, or valves, are visible through a glass panel located on the top of the unit.
 
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.
 
"An exceptional valve (vacuum tube) preamp with excellent performance, all the inputs almost anyone could ever want, and no sign of valve quirkiness to frighten the horses." Earned the prestigious Outstanding Product badge. - Hi-Fi News
 
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)1 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.
 
Specifications
 
Electronic 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
 
Connectivity
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 Input
2
Digital Optical Input
2
Digital MCT Input
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 Connection
1
 
Control
Tone Controls
Bass and Treble
Tone Bypass and Input Assign
Yes
RS232 Control Input
Yes
Power Control Output
1 Main, 4 Trigger
Rear Panel Data Port
6
Rear Panel IR Sensor Input
Yes
 
General Specifications
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
 
Weights & Dimensions
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)