Tag: Falistri

Frap Tools Falistri – NAMM 2019 News

Frap Tools – an Italian manufacturer very dear to our hearts has finally finished the Falistri. And it is already available!

Also called “movement manager”. Ok…these are both not really telling names! So what is it?

Falistri is a fully featured, nicely structured dual envelope generator / (low frequency) oscillator featuring a ringmodulator for combining any of its multitude of outputs plus a flip-flop / clock divider for generating more complex patterns.

It definitely is a strong competitor to another module with a confusing name – the Makenoise Maths. Fully featured means that it has – unlike the Maths – uni- and bipolar outputs, as well as end of rise (EOR) and end of fall (EOF) outputs readily available. Per stage!

Another big feature is the mentioned ringmodulator / vca for mixing any two of the many outs. But the really big thing is that you can alter the shape of the envelopes independently of the overall time! That is a feature rarely seen and mostly done digital. The Falistri however is analog through and through. No DSPs here. Also the flip-flop is (just) CMOS based.

Even given this rough description, we guess you can see the potential of this module and its myriads of possible patching applications!

Frap Tools – Falistri

Frap Tools

This year at Superbooth18, Frap Tools presents a new movement manager. It is a function generator with lots of interesting features. The Falistri is a full analog multipurpose trajectory manager designed to generate and process voltages.

A big improvement over other function generators is the fact that you can change the shape of the envelope without changing the time – times are independent from shapes which can be different for each stage, for each generator. Thus you can really use it as an oscillator without altering the pitch when you change the shape of rise and fall.

The module can be divided in two big parts: in the upper two third of the panel take place tow specular function generators, while the lower third is composed by a dual cascaded frequency divider, a linear slew limiter and a four quadrant multiplier.

Frap Tools_Falistri


Both manual button and external trigger/gate input are available, and are used in three possible play modes. In the loop mode, where end of fall stage triggers the start of rise, incoming triggers are not needed, but if present reset the rise. In transient mode only the low-to-high transition of the trigger/gate signal is used to start the rise stage while the fall stage is automatically recalled at the end of rise. In sustained mode, the low-to-high transition of the trigger/gate signal is used to start the rise stage,  while the fall stage is triggered by the high-to-low transition of the trigger/gate signal. A Gate input for switching from Loop to Transient mode and vice versa is also available on the module.

Thanks to a Quadrature mode (Q) you will be able to combine both function generators, connecting various stages together.

There are two function editors : cascaded frequency dividers and a four quadrant multiplier.

Each of the frequency dividers, also known as flipflop or sub-octave processor, changes its logic state each time a low to high transition is performed. The two sections are normalled so you can achieve 1/2 and 1/4 outputs from a single input which is very handy. This works as a sub-octave generator if an audio signal is used. With a clock at the input it works as a clock divider.

Furthermore, there is a four quadrant multiplier section with an exceptional linearity and a bandwidth from DC to more than 20 kHz. This can be used as a ring modulator or as a VCA with linear CV response. Thanks to the four led matrix, you can see which of the quadrant is currently in use.

Finally, there is a linear slew limiter which can process any voltage. With independent rise and fall slew rates, you can precisely smooth any kind of voltage transition.


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