API565 500-Series Filter Bank


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API 565

565 Filter Bank from API brings the musical filters of the highly revered 215 module found in the brand's larger consoles to the realm of 500 series. The module features a sweepable low pass filter with a selectable -6dB or -12dB, a sweepable high pass filter with a selectable -6dB or -18dB slope, a variable notch filter with adjustable resonance setting, and bypass switches for disengaging each filter section when necessary. This combination of tone-shaping tools serves as an extremely fertile ground for very precise and flexible sculpting of any sound, and can be equally useful for utilitarian, and creative applications.

565 Features

  • Three band filter bank
  • Low pass filter frequency range is 500Hz to 20kHz, -6 or -12dB slope
  • High pass filter frequency range is 20Hz to 400Hz, -12 or -18dB slope
  • Variable notch filter frequency range is 20Hz to 400Hz, the Q is adjustable
  • Bypass switch on each filter section
  • Fully discrete circuit design
  • Number of Bands: Three
  • Filter Types:Sweepable Shelf Low Pass,Sweepable Shelf High Pass,Adjustable Active Twin-T Notch
  • Filter Frequencies: Low Pass: 500Hz to 20kHz, High Pass: 20Hz to 600Hz, Notch: 20Hz to 20kHz (3 selectable ranges)
  • Notch Filter Q: Variable from 0.95 to 15.3
  • Notch Filter Cut: > 40dB at minimum Q setting
  • Input Impedance: > 20K Ohms, Balanced
  • Output Impedance: 75 Ohms, Transformer Coupled, Balanced
  • Nominal Levels: -15dBu to +15dBu
  • Clipping Level: +28dBu
  • Frequency Response: +.2, -.4, 20Hz to 20kHz
  • THD+N: 0.02% (+4dBu output @ 2kHz)
  • Power Consumption: +/-16VDC, 100mA max at +24dBu out
  • Dimensions: 1.5" x 5.25" x 6.75"
API 565 500-Series Filter Bank Reviews