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The pluck response can be used with low pass gate mode. The pluck response uses a sharp gate or envelope signal to
pluck or strike the Dynamics Controller while taking advantage of the Vactrol response to create a percussive sound with a
natural decay. Select the mode by pressing the [D1 or D2 MODE BUTTON].
The [DYNAMICS KNOB] acts as a pass through for the incoming signal. Turn the [DYNAMICS KNOB] to the right to manually
open up the dynamics controller and allow the incoming signal to pass. When using the [DYNAMICS CV JACK] and [DYN
CV JACK], the [DYNAMICS KNOB] acts as the starting point for the level of the incoming signal.
The [LOW PASS GATE RESONANCE KNOB] adjusts the amount of resonance added to the audio signal. This only works in low
pass gate and low pass gate with pluck modes.
Enable or disable MIDI note on triggering the Dynamics Controller directly by pressing [EDIT BUTTON ] + [D1 or D2 MODE
BUTTON].
Dynamics Processing Modes
The Dynamics Controllers offer 3 distinct audio processing modes. VCA, low pass gate, and plucked low pass gate. Each
mode creates a unique sound and feature set for signal processing. Cycle through all the available Processing Modes on
each dynamics controller by pressing the [D1 MODE BUTTON] or [D2 MODE BUTTON].
Dynamics Controllers
Overview
The Voltage Lab 2 utilizes a pair of Pittsburgh Dynamics Controllers
to bring additional depth and dimension to sounds by manipulating
both amplitude and harmonic content simultaneously. The
Dynamics Controller is a modern interpretation of Don Buchla’s
famous “lowpass” gate.
The lowpass gate circuit is unique in the way that it simulates the
characteristics of the natural world. When used in lowpass gate
mode, louder sounds contain more harmonic content and quieter
sounds contain less harmonic content. This is not the case when
using VCA mode. VCA mode simply changes the loudness of the
sound without modifying the harmonic content. There is no reason
that synthesizers need to simulate the real world but because of
how it affects the harmonic content of sound, a lowpass gate
sounds more organic or natural compared to a standard VCA.
The original lowpass gate was limited to a static response time that
varied from unit to unit. This made each lopass gate a little
different. The Dynamics Controllers in the Voltage Lab 2 expands on
the original Don Buchla concept by adding a unique, [RESPONSE
KNOB] allowing for customizable gate response times. The
dynamics response time can be voltage controlled using the [RESP
JACK] and [RESP CV KNOB]. The pluck response can be used with
low pass gate mode.
3 Voltage Lab 2 Voice Modules
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