MATRIXSYNTH: Expert Sleepers - Persephone VCA (Voltage Controlled Amplifier)

Friday, November 19, 2021

Expert Sleepers - Persephone VCA (Voltage Controlled Amplifier)


video upload by Sound Isles

"The Persephone is a VCA (Voltage Controlled Amplifier) using a discrete JFET as the gain element. The JFET can be used for saturation/distortion and overdriven effects. Persephone also includes an incredible zero-crossing detector, which can be used to restrict gain changes to zeros in the audio waveform, preventing clicks and pops that can occur with fast envelopes. The module's signal and CV paths are 100% analogue and is a perfect addition to the Expert Sleepers line-up."

JFET VCA | Expert Sleepers - Persephone

video upload by DANIELE

"Persephone is the new VCA module by Expert Sleepers but it's much more than a simple VCA! It uses a JFET as the gain element that can generate amazing overdrive and distortion sounds! Furthermore, it includes a zero-crossing detector and an asymmetry switch. In this video I go through all these different features of Persephone."


"'Persephone' is a VCA (Voltage Controlled Amplifier) using a discrete JFET as the gain element. The JFET can be tastefully (or violently) overdriven for saturation/distortion effects.

Persephone also includes a zero-crossing detector, which can be used to restrict gain changes to zeros in the audio waveform, preventing clicks and pops that can occur with very fast envelopes, especially on lower pitched sounds. In fact, with the zero-crossing circuit engaged, you can use a simple gate as the CV input without clicks.

The module's signal and CV paths are 100% analogue (there is a little discrete logic involved in the zero-cross circuitry)."

MSRP: UK £159 (inc VAT), US $185 (exclusive of sales tax), EU €185 (inclusive of VAT)

See the dealers on the right for availibility.

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