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API 2500 Stereo Bus Compressor

API 2500 Stereo Bus Compressor.

Now extremely popular with mix engineers, the API 2500 Stereo Bus Compressor adds a tight, punchy gloss to signals, very much an analogue crunch rather than the digital polish of plug-in limiters.

API 2500 Stereo Bus Compressor

Features of the API 2500:

  • API 2520 Op Amp
  • Variable threshold between -20dBu and +10dBu
  • Selectable ratio, attack and release times
  • Patented THRUST® selectable high-pass filter before RMS detector
  • Variable link between left and right channels
  • Old "feed back" or new "feed forward" compression
  • Soft, medium or hard knee for easy to sharp compression
  • Auto or manual gain make up
  • 1/4" balanced side chain inputs
  • Output clips at +28dBu

The API 2500 Stereo Bus Compressor allows adjustment of sonic qualities to alter the punch and tone of the stereo mix. One of the 2500's notable qualities is its use of API's patented THRUST circuit for a chest-hitting, punchy bottom end. The 19-inch, rack-mountable unit of the API 2500 boasts a dual-channel design that can be configured for stereo compression or for use as two separate units via a single compression setting.

Another unique feature of the 2500 is its selectable "old" or "new" compression. The old style uses the "feed back" type of compression found in the API 525, while the new 2500 style uses a "feed forward" type in which the compressor side chain is fed directly from the unit input. Additionally, the output stage of the API 2500 exhibits an auto-makeup gain button that permits the user to vary the threshold or ratio while automatically maintaining a constant output level. Further, the 2500 ensures fidelity with its all-discrete, fully balanced design with two front panel VU meters showing input, output and gain reduction levels.

Specifications of the API 2500

  • Power Consumption, Quiescent: 22.8 Watts
  • Size: 19" X 1.75" (1U) X 10.5" Deep
  • Size (Boxed for Shipping): 23.25" X 6.5" X 16"
  • Actual Weight: 9.48 lbs.
  • Shipping Weight: 13.38 lbs.
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