Guyatone Optical Hybrid Effects GST-U05 Ultron Optical Auto Wah
Designed as an improved version of the vintage Mutron III, the Ultron Optical Envelope Filter takes the soul of that classic effect and adds a variety of new and useful control features that set it apart from any other unit on the market.
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Features:
Selectable Manual-, Envelope-, or Oscillator-controlled filter operation HP, BP, LP, and Notch Filters with Hi, Lo, and Mid Frequency Ranges Variable Threshold, Peak, Frequency and Speed Controls with selectable Up/Down Filter Drive CV control of filter sweep (manual mode), Filter Peak or Oscillator Rate (oscillator mode) with 3 selectable pedal tapers (linear, audio, reverse audio) 6 Selectable waveforms in oscillator mode with tap tempo rate control 3-Digit LED display indicates oscillator Rate in BPM or M/Sec (selectable) Selectable Frequency Peak, Frequency Sweep ranges and Input attenuation for multiple instruments via internal DIP switches
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