McIntosh Announces the C2500 Vacuum Tube Preamplifier at CES


The new McIntosh C2500 announced at CES combines McIntosh’s legendary vacuum tube preamplifier circuitry with a full suite of useful and modern real world features. A full complement of six dual triode tubes ensure the finest pre-amplification of high level sources and phono playback. While maintaining the romantic sound of tubes, the C2500 boasts the best measured performance of any single chassis McIntosh tube preamplifier.

The inverted polished stainless chassis acts as a shield separating the power supply, digital and control circuitry from the noise sensitive analog audio sections. This extra engineering step assures the uncompromised performance which clients have come to expect from McIntosh.

All of your client’s stereo digital sources may be connected to the McIntosh Digital Engine via five digital inputs – eliminating the complexity of add-on digital decoding boxes – and be outputted at up to 32 bits and 192kHz with the classic McIntosh sound.

Tone controls may be assigned to individual sources as needed. Up to three stereo power amplifiers may be connected at one time with the ability to switch two of them on and off to simplify your client’s use of this extraordinary front end in their whole house audio distribution.

The C2500 will be delivered later this year. Keep your eye on this blog for further updates.

Frequency Response:

  • +0, -0.5dB from 20Hz to 20kHz
  • +0, -3dB from 15Hz to 100kHz

Total Harmonic Distortion:

  • 0.08% Maximum from 20Hz to 20kHz


  • Six high level unbalanced
  • Two high level balanced
  • Two Phono: one Moving Coil adjustable and one Moving Magnet
  • Five digital inputs

Maximum Output Voltage:

  • Unbalanced Main and Outputs 1 & 2: 8 Vrms
  • Balanced Main and Outputs 1 & 2: 16 Vrms

Digital Section:

  • Two Coax
  • Two Optical assignable
  • One dedicated USB Audio

McIntosh Digital Engine is 32 bit 192kHz, USB 2.0 asynchronous

Tone Controls:

  • Bass and Treble, +/- 12dB

High Drive Headphone Amplifier:

  • All headphones from 20 to 600 Ohms

A “Home Theater Pass Through” allows interfacing with a Home Theater system

Overall Dimensions (W x H x D) are 17-1/2” wide by 7-5/8” high x and 18” deep

Weight is 28.5 lbs out of the packing and 44 lbs in the factory shipping carton

C2500 rear

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Manufacturers representation in the area of audio, video, integration, and control systems serving the IL/WI market areas. Contact Omega Sales at
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