Valley International Micro FX De-Esser – Vocal Audio Processor A vintage Valley International Micro FX De-Esser, a dedicated audio processor designed to control excessive sibilance in vocal recordings and speech. This compact studio unit is a useful tool for recording engineers, musicians, and audio enthusiasts looking to achieve smoother, more controlled vocal sound. General Description The Micro FX series was developed by Valley International and featured a range of dedicated audio processing units for studio and broadcast applications. The Micro FX De-Esser is designed specifically to reduce excessive sibilance, such as harsh “s” sounds in vocal material. With adjustable frequency and sensitivity controls, the unit allows the user to target problematic high-frequency sounds and adjust the amount of processing to suit the source material. Its dedicated analogue processing design makes it an interesting piece of vintage studio equipment for audio enthusiasts and collectors. ## Function and Sound Excessive sibilance can make vocal recordings sound sharp or unpleasant. The Micro FX De-Esser helps control these sounds while retaining the natural character and intelligibility of the voice. The adjustable frequency control determines the area of the signal being targeted, while the sensitivity control adjusts how strongly the processor responds. It can be useful in vocal recording, speech production, and other applications where harsh sibilant frequencies need to be controlled. Brand: Valley International Series: Micro FX Model: De-Esser Equipment type: Audio signal processor Primary function: Sibilance reduction Controls: Frequency and sensitivity Application: Vocal and speech processing Equipment category: Vintage studio equipment Carefully packaged and shipped with care.