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Smart Research C2 Stereo / Dual Mono Compressor

The Smart Research C2 Compressor is a classic stereo or dual-mono compressor designed by world-renowned Al Smart of Smart Research. The Smart C2 houses two independant mono compressors, which can be linked and used in stereo mode, granting control of both compressor units to the left set of controls on the C2.

Ideal for stereo mix or instrument compression, the C2 features 130dB dynamic range, external sidechain inputs, 'Crush' mode, fast limit, two independant sets of controls and two audio channels. There is also a sidechain filter option available on request.

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Product Description

The characteristic sound of the Smart Research C2 arises from its inherent fast response time at the onset of compression, which when delayed to occur around the 0.3 to 3 milliseconds mark, results in a window that transients can still pass unhindered. This adds punch to your mix or recording, allowing the sidechain to ‘breathe’ around these transients, while still controlling the overall levels.

The Smart C2 compressor features CRUSH mode, which accentuates the natural character of the compressor giving you the capability to achieve exaggerated compression effects and, combined with the fast limit settings, allows for a wider range of applications.

Smart Research’s C2 circuitry features:

  • New generation of Voltage Controlled Amplifiers
  • High slew rate amplifiers, with hybrid f.e.t/ transistor inputs (Analog Devices)
  • High current push-pull transistor outputs
  • Total symmetry throughout signal path
  • No electrolytic capacitors used in main signal path
  • All inputs and outputs balanced

Smart Research C2 specifications:

  • Power: 100v-240v AC selectable, 30 watts
  • Noise floor: Below -104 dBm (flat 20Hz-20Khz)
  • Distortion: Below 0.005% (1K/+4 THD 20Hz-20Khz)
  • Frq. Response: Within 1/2dB from 20Hz to 100Khz
  • Depth in rack: 258mm
  • Main input: Balanced, impedance 1K8 per leg
  • Sidechain i/p: Balanced, impedance 10K per leg
  • Output: Discrete transistor. Above +26dBm into 600 ohm load
  • Threshold: Adjustable -20 to +20dBm
  • Make-up gain: Adjustable 0 to +20dBm


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