API

API 2500 stereo compressor

  • 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

550A Discrete 3 Band EQ

  • 3 bands of classic API equalization
  • Each band offers 7 API selected frequency centers
  • Reciprocal and repeatable filtering
  • Maximum 12 dB of boost/cut per band
  • EQ Band 1 and 3 offer shelf/peak switching
  • ”Proportional Q” narrows filter Q at extremes
  • Traditional API fully discrete circuit design
  • High headroom +30 dB clip level

550b Discrete 4 Band EQ

  • Four bands of our famous sounding equalization
  • Each band offers seven API selected frequency centers
  • Reciprocal and repeatable filtering
  • 12 dB of boost/cut per band
  • EQ band 1 and 4 offer shelf/peak switching
  • ”Proportional Q” narrows filter Q at extremes
  • Traditional API fully discrete circuit design
  • High headroom +30 dB clip level
  • Re-issue of 1967 API 550 EQ with an extra band

560 Discrete 10 Band Graphic EQ

  • 10 bands of API proprietary equalization
  • Familiar graphics operation on one octave centers
  • 12 dB of boost/cut per band
  • ”Proportional Q” narrows filter Q at extremes
  • Additional resolution within the ±4 region
  • Center detent for reliable reset
  • Silent bypass button
  • Based on the original 1969 API 560 EQ

512c Discrete Mic / Line Preamp

  • Mic Preamp with 65 dB of gain
  • Front and Back Panel Mic Input Access
  • Line/Instrument Preamp with 45 dB of gain
  • Front Panel Line/Instrument Input
  • LED VU meter for monitoring output level
  • 20 dB pad switch, applies to mic/line/instrument
  • 48v Phantom switchable power
  • Traditional API fully discrete circuit design with 2520 Op Amp
  • Features API’s unique Five Year Warranty