API 2500

API 2500

Brand: API
Discrete 2 Channel Stereo Buss Compressor - The API 2500 is a versatile stereo bus compressor that allows adjustment of sonic qualities that can alter the punch and tone of the stereo mix. The 19" rack mountable unit features ATI's patented "thrust" circuit for a chest-hitting, punchy bottom end. With its dual channel design, the API 2500 is set up for stereo compression, but can also be used as two separate units via a single compression setting. The 2500 boasts a range of parameters that make it incredibly musical.
The 2500 Stereo Bus Compressor is a rack-mountable 19" unit featuring ATI's patented "Thrust" circuit for a chest-hitting, punchy bottom end. With its dual channel design, the API 2500 is primarily set up for stereo compression, but can be used as two separate units via single compression settings. The 2500 boasts a range of parameters that make it both uniquely versatile and incredibly musical.

With threshold settings between -20dB and +10dB and a variety of ratios to selectively vary the compression ratio from almost none to infinity, the 2500 performs anywhere from subtle compression to brick wall limiting. Transients can be squashed with an attack time of 0.03ms or allowed to stand tall with an attack time of 30ms. Release times vary between 50ms and 3s. Depending on the application, the unit offers hard, medium or soft knee compression.

The 2500ąs stereo coupling strength varies between 100% and 0% (dual mode) in six steps. A high or low pass filter may also be implemented to alter the coupling signal and improve the transfer of heavy low end or transients from one side to the other, thus minimizing cross modulation while maintaining the stereo image.

The 2500s output stage features API's auto-makeup gain button, permitting the user to vary the threshold or ratio while maintaining a constant output level. The feature makes live tracking or broadcasting considerably easier as the dynamic range can be manipulated without affecting the absolute output gain. The auto-makeup gain can be bypassed with a conventional gain knob, and the left channel can be trimmed +/-2dB to compensate for imaging problems. Fidelity is ensured with an all-discrete, fully balanced design, and two front panel VU meters show input, output, and gain reduction levels.

Features

  • API 2520 op-amp
  • Variable threshold between -20 and +10
  • Selectable Ratio, Attack and Release times
  • Patented "Thrust" 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 +30 dBm

The API 2500 is a versatile stereo bus compressor that allows adjustment of sonic qualities that can alter the punch and tone of the stereo mix. The 19" rack mountable unit features ATI's patented "thrust" circuit for a chest-hitting, punchy bottom end. With its dual channel design, the API 2500 is set up for stereo compression, but can also be used as two separate units via a single compression setting. The 2500 boasts a range of parameters that make it incredibly musical.

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