McIntosh Labs C2500 High Performance Tube Preamplifier

Model: C2500 UPC: 0515201399 Item: 162438

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Product Information

The C2500 tube preamplifier combines the legendary McIntosh vacuum tube preamplifier circuitry with a full suite of contemporary features and technology. A total of 15 inputs – including two dedicated phono (1 Moving Magnet and 1 Moving Coil) and five digital – offers you ample connections to keep all your legacy and modern sources connected, while six dual triode tubes will produce that romantic tube sound. The digital inputs will decode digital music at up to 32 bits and 192kHz for high resolution audio playback.

Tone controls may be assigned to individual sources as needed. Up to three stereo power amplifiers may be connected at one time; two of them can be switched on and off to simplify your whole house audio distribution. The Home Theater Pass Through feature allows for seamless integration into existing multi-channel theater systems. Our new internal High Drive headphone amplifier offers increased gain and output power, optimizing it for virtually all headphone types to ensure the most enjoyable personal listening experience.

"The C2500 sounds... as it looks – noble, elegant and without nervousness. It knows the reason for its existence, and it does its job well, producing a big, saturated and musical to the bone sound." -

Not only does the polished stainless steel chassis look beautiful, but it shields the noise sensitive analog audio section from the power supply and control circuitry to provide the cleanest signal possible to your amplifier.

 Electronic Specifications

  • Ultra Low Distortion 0.08%
  • Frequency Response, +0, -3dB 10Hz to 100,000Hz
  • Maximum Volts Out (Balanced / Unbalanced) 16/8 V RMS
  • Input Impedance (Balanced / Unbalanced) 44K ohm, 22K ohm
  • Phono Voltage Gain 60dB
  • High Level Voltage Gain 15dB
  • Signal To Noise Ratio 100dB
  • Dual Mono Power Supply No
  • Dual Mono, Fully Balanced No


  • Headphone Output Yes 1/4", High Drive
  • Inputs Unbalanced 6 Stereo + 2 Phono
  • Inputs Balanced 2 Stereo
  • Variable Outputs Unbalanced 3 Stereo
  • Variable Outputs Balanced 3 Stereo
  • Digital USB Input 1 (2.0, 32/192 Asynchronous)
  • Digital Coaxial Input 2
  • Digital Optical Input 2
  • Phono Moving Magnet Yes, adjustable
  • Phono Moving Coil Yes, adjustable
  • Record Processor Loop Yes
  • Input Level Match Yes, +/- 6dB
  • Home Theater Pass Through Yes


  • Tone Controls Bass and Treble
  • Tone Bypass and Input Assign Yes
  • RS232 Control Input Yes, 9 pin
  • Power Control Output 1 Main, 2 Switched, 2 trigger
  • Rear Panel Data Ports Yes, 8
  • Rear Panel IR Sensor Input Yes

General Specifications

  • Multi-Chassis or Single Single, two layer
  • Output Meters Yes
  • Tube or Solid State Tube, 6 ea. 12AX7a
  • On, Power Consumption 50 watts

 Weights & Dimensions

  • Dimensions (W x H x D) 17.5" (44.45cm) x 7.625" (19.37cm) x 18" (45.72cm)
  • Weight 30.5 lbs (13.8kg)
  • Shipping Weight 46 lbs (20.9kg)

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