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InstruoI-ō47 Filter / Resonator

Item#
N13-00328
14hp
$355.00

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Instruo I-ō47

I-ō47 from Instuō is a multimode filter/resonator module that takes inspiration from the classic 1047 filter design of ARP 2500 and adds a few twists to fit the needs of modern synthesists. Besides regular input, the filter features an inverted input with resonance dependent gain. Low pass and high pass filter slopes are 12 dB/octave, while the bandpass slope varies between 6 and 12 dB/octave depending on the resonance setting. I-ō47 is pingable via the Strike input. The Feedback switch enhances the resonance, allowing the filter to self-oscillate, which makes it usable as a sound source all on its own. Additionally, a limiter is implemented after the gain fader for the main input, based on Instuō’s tanh waveshaper module.

I-ō47 Features

  • Frequency range 16Hz - 16kHZ
  • Low pass slope 12 dB/oct
  • High pass slope 12 dB/oct
  • Bandpass slope 6-12 dB/oct (Q dependent)
  • Notch with variable offset
  • Strike input for pinging
  • Inverted input with Q dependent gain
  • Feedback switch for self-oscillation
  • Built-in limiter based on tanh waveshaper
  • Eurorack module
  • Width: 14hp
  • Depth: 27 mm
  • Current draw: 50mA @ +12V, 50mA @ -12V
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Instruo I-ō47 Filter / Resonator Reviews