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Frap Tools Sapel

Frap Tools

Regular price $616.50 Sale price $685.00

The SAPÈL is a random control voltages source for Eurorack modular systems. It is composed of two main sections, one that generates audio noises, in 4 different versions, and another which includes two specular random clock, random voltages, and clock sources.

Noise outputs are color coded, based on the noise colors, and include:

  • blue (+3dB/oct spectrum)
  • white noise (0dB/oct spectrum)
  • pink noise (-3dB/oct spectrum)
  • red noise, a.k.a. brown or brownian (-6dB/oct spectrum).

The random voltage and clock section features four uncorrelated random CV generation paths, divided in;

  • fluctuating random voltage;
  • quantized random voltage with 2n stages tuned in semitones referred to 1V/oct scale;
  • quantized random voltage with n+1 stages tuned in octaves referred to 1V/oct scale;
  • non-quantized sample & hold.

It is also possible to set a probability distribution with a potentiometer, and apply (or do not apply) the chosen distribution setting to each of the four paths independently.

Furthermore, each of the two random sources section features an independent built-in clock generator, with clock output and random clock output, which can be used in “more than” or “less than” mode. It is possible to use an external clock signal as a clock source, bypassing the built-in one. In addition to that, it is also possible to hand trigger the clock via a manual sample & hold button, which can be also modulated by gate signals.

  • Width: 18hp
  • Depth: 38mm
  • Power: 250mA@ +12V / 170mA @ -12V
  • Manual
Features
  • true analog random/noise generation with 4 stages of independent and uncorrelated thermal noise
  • 8 random voltages and up to 4 random clocks
  • continuous fluctuating voltages
  • change quantization stages with gradual transition for more usable results
  • stage-assignable probability distribution
  • built-in clock generators
  • sample & hold manual buttons and inputs for realtime performance and ease of interaction
  • analog design
Video

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