Frap ToolsFalistri Movement Manager


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Frap Tools Falistri

Falistri from Frap Tools is a complex envelope generator and a frequency divider/comparator module. The main idea behind the Falistri is live independent control over each stage of the two envelope generators and their further shaping with the dual cascading frequency divider, slew limiter and a ring modulator. Such flexibility is achieved by decoupling the time parameter from shape, which allows for live morphing between linear, logarithmic and exponential curves. Thus, each stage of the envelope can be independently assigned a different shape. Consequently, the comparator circuits alter their logic states every time a low-to-high transition is detected. When used with audio signals, they turn into sub-octave generators and with gates they serve the purpose of a clock divider. The slew limiter is used for glides and portamento, while the four quadrant multiplier, a.k.a. modulator provides an avenue for creative signal mixing, AM modulation and doubles as a Thru-zero VCA.

Falistri Features

  • Dual function generator
  • Independent control of shape for each segment of the envelope
  • Dual comparator/frequency divider
  • Slew limiter
  • Ring modulator
  • Thru-zero VCA
  • Fully analog
  • Eurorack module
  • Width: 18hp
  • Depth: 38mm
  • Current draw: 170mA @ +12v, 170mA @ -12v
SignalRelated ArticlesLearning Synthesis: Envelopes Part 2Part Two: Complex Envelopes, Arbitrary Functions, & Beyond
Product Demo Videos
Frap Tools Falistri & Instruo CS-L West Coast Eurorack Setup
This eurorack setup is full of West Coast Serge and Buchla inspired modules. Frap Tools Falistri is a dual function generator that can be used as envelopes, oscillators, slews and more. It also includes a VCA/ring modulator. The second half of the video shows the Falistri as a dual oscillator and ring modulator.

The oscillator is the Instruo CS-L complex oscillator which is a dual oscillator with tons of modulation and wave-folding options built in for both oscillators. We used a Random Source Seq8 XL for sequencing.
FALISTRI In-Depth Tutorial Pt. 1 | Generators, envelopes, oscillators, quadrature
In this first tutorial on FALISTRI, we will talk about the two generators.
Frap Tools Falistri Movement Manager Reviews