API 2500 Stereo Compressor (Rack-Mount)

$3,295.00 $3,130.25
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SKU:
API-2500
UPC:
612391300685
Condition:
New
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API 2500 Stereo Compressor (Rack-Mount) (API-2500)
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API 2500 Stereo Compressor (Rack-Mount)

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 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 style uses a "feed forward" type in which the compressor side chain is fed directly from the unit input. Additionally, the output stage 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.

Features
  • 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

Specifications

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.

 

Mix Magazine || "The 2500 Stereo Compressor, a rack-mountable 19-inch unit with dual channel design, functions primarily as a stereo bus compressor but can be also used as two separate mono units with a single set of compression controls. The 2500 has a wide range of parameters making it versatile for a whole range of compressor duties from subtle compression all the way to brick wall limiting. Attack times range from .03ms to 30ms while release times vary between 50ms and 3s. The unit offers hard, medium or soft knee compression.

"The 2500 uses Audio Toys' patented Thrust circuit before the detector that is said to deliver more low end "punch." There are selectable "Old" and "New" styles of compression. The old style uses a feedback method of compression found in the API 525 and the Fairchild 600 compressors, while the new style uses VCA modulated compression, similar to the dbx and SSL units.

Stereo linking of the left and right channels is available and can be varied between 100% (full stereo mode) and 0% (dual mono mode) in six steps. A high or low pass filter may also be inserted to alter the spectral content of the coupled signals. This feature improves the transfer of heavy low end excursions or transients from one side to the other. The 2500's output stage features API's auto-makeup gain button, permitting the user to vary the threshold or ratio while maintaining a constant output level."

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