A Series EQ

The A Series EQ digitally recreates the sound of API's 550B vintage Four Band Equalizer. Each band offers 7 switchable filter frequencies spanning 4 to 5 octaves. The four bands overlap for track sweetening or specific problem solving. The low and high bands are selectable peak or shelving.

Specifications:

• Number of Bands: Four.
• Low and High bands are Peak/Shelf switchable.
• Low-Mid and Mid-High are peaking type.
• Filter Frequency Centers:
  • Low: 30, 40, 50, 100, 200, 300, 400Hz.
  • Low-Mid: 75, 150, 180, 240, 500, 700, 1Khz.
  • Mid-High: 800, 1.5K, 3K, 5K, 8K, 10K, 12.5K.
  • High: 2.5K, 5K, 7K, 10K, 12.5K, 15K, 20K.
• Filter Boost/Cut: +/- 12dB variable to.1db.
• Filter Slope: 12dB per Octave.
• Seven selectable frequencies per Band.
• Gain clipping indicator.
• Phase reverse switch.
• In / Out Bypass switch.
• Numeric Windows for click on entry.
• Plasma Style Input and Output VU Meters.
• Input Line Trim -12db to +4db variable to.1db.