Dave Smith Instruments Pro 2 Synthesizer - Hybrid Digital Oscillator and Analog Filter Monophonic and Paraphonic Synthesizer

Dave Smith Instruments Pro 2 Synthesizer - Hybrid Digital Oscillator and Analog Filter Monophonic and Paraphonic Synthesizer

Dave Smith Instruments Pro 2 Synthesizer - Hybrid Digital Oscillator and Analog Filter Monophonic and Paraphonic Synthesizer

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Expected availability: 7-14 business days

Product Highlights

  • Four Digital Oscillators + One Sub Osc
  • Two Analog Filters in Series or Parallel
  • Continuously Variable State Filter
  • Control Voltage I/O for Modular Synths
  • 16 x 2 Modulation Matrix
  • Digital Bucket-Brigade Delay
  • Four Syncable LFOs with Phase and Slew
  • 32 x 8 or 16 x 16 Step Sequencer
  • Five-Mode Arpeggiator
  • 396 Factory and 396 User Presets
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Dave Smith Instruments DSI-2400 overview

  • 1Description

The Dave Smith Instruments Pro 2 Synthesizer - Hybrid Digital Oscillator and Analog Filter Monophonic and Paraphonic Synthesizer is designed for studio recording and live performance applications. The three-and-a-half octave synthesizer with velocity and after touch semi-weighted keyboard is referred to as a hybrid because it combines four digital oscillators and a sub-oscillator with super saw waves and classic inspired dual analog filters.

The first of the two analog filters is a 4-pole low pass design inspired by the filter found on the original Prophet-5 synthesizer. The second filter is a state variable design inspired by the Oberheim SEM synthesizer created by Tom Oberheim which allows the filter to be continuously varied between notch, low-pass, and high-pass with an optional band-pass mode. These two filters can be connected in series, parallel, or a combination in between.

Two of the oscillators can be routed through filter 1 and the other two can be routed through filter 2. The oscillators can produce a wide range of wave shapes and can modulate each other by amplitude and frequency in any modulator or operator configuration for a diverse choice of harmonically enriched AM and FM sounds. To further enhance the character of the sound, the synthesizer also includes controls for high and low frequency boosting, bit depth and sample rate reduction, and a tape saturation emulation.

The device also includes a step sequencer with up to 32 steps, 16 tracks, real-time input rests, and variable-length sequences. The sequencer can be synced to a MIDI clock, an external audio input, or a control voltage, and the sequencer tracks can control any parameter in the synthesizer's modulation matrix.

The back-panel of the instrument features four control voltage inputs and outputs as well as a dedicated gate output. This allows you to interface the device with modular synthesizers. The control voltages can be assigned and routed with the modulation matrix and operate at audio rates for modulation effects. Parameters that may be sent to the control voltage outputs include LFOs, envelopes, oscillators, and sequencer tracks.

The instrument features three digital delays with pan as well as high-pass and low-pass filtering controls. A fourth delay uses a digital bucket-brigade design to create analog-style effects. Additional modulators include four loopable five-stage envelope generators, an arpeggiator, four syncable LFOs with slew and phase offset control, and a sixteen-slot modulation matrix.

The synthesizer is both a monophonic synthesizer as well as a four-voice paraphonic synthesizer with the ability to control each oscillator individually with a separate envelope. This enables playing four-note chords.

The semi-weighted full-sized keyboard features velocity and channel aftertouch to enable expressive playing of the synthesizer's unique circuit design. Additional expression controls include two location and pressure sensitive touch sliders and two backlit pitch and modulation wheels. A foot switch (sold separately) can be connected to the rear panel's 1/4" foot switch input for effects such as sustain.

Hybrid Digital Analog Design
Combines four digital oscillators with two analog filters
Digital Bucket Brigade Delay
Uses a digital clock to drive voltage across a network of capacitors to create the sound of an analog delay with the precision of digital timing
Analog Filter 1
Provides 4-pole low pass filtering based on the filter found in Prophet-5 synthesizer
Analog Filter 2
Provides variable filtering between notch, low-pass, high pass, and band pass modes based on Oberheim SEM synthesizer
Character Controls
Features controls for high and low frequency boosting controls, bit depth sample reduction, and saturation using tape saturation emulation
Digital Modulation Matrix
Enables extensive routing of control inputs and sound modulation parameters
Enables connection to modular synthesizers using control voltage signals
Expression Controls
Features semi-weighted full size keyboards with velocity and channel after touch, two location and pressure sensitive touch sliders, and two backlit pitch and modulation wheels for expressive performance
UPC: 855346000807
In the Box
Dave Smith Instruments Pro 2 Synthesizer - Hybrid Digital Oscillator and Analog Filter Monophonic and Paraphonic Synthesizer
  • Power Cord
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Dave Smith Instruments DSI-2400 specs

    Type Monophonic and 4-voice paraphonic with individually-gated envelopes per osc
    Oscillators Four DSP-based oscillators plus one sine wave sub oscillator
    Saw, square, triangle, sine per oscillator
    12x Complex shapes per oscillator
    13x Superwaves
    White, pink, violet noise per oscillator
    Shape, pulse width, superwave detune modulation
    Amplitude and frequency modulation across oscillators
    Hard sync, individual glide, oscillator Slop
    Filters Dual analog in serial or parallel modes
    Filter 1: 4-pole resonant analog low pass based on Prophet-5 filter
    FIlter 2: 2-pole resonant analog state-variable based on Oberheim SEM filter
    Can spolit oscillators 1 and 2 to filter 1 and oscillators 3 and 4 to filter 2
    Envelopes 5x Loopable delay and ADSR (filter 1, filter 2, VCA, and two aux envelopes)
    Effects High shelf EQ, low shelf EQ, Hack, sample rate reduction, bit rate reduction, harmonic saturation
    Feedback and Delay Tuned feedback
    Three-tap syncable delay and digital bucket-brigade delay
    LFO 4x Syncable with phase offset and slew per LFO
    Modulation 16x2 Matrix with over 50 mod sources and over 140 destinations
    CV Send: LFOs, envelopes, sequencer tracks at up to audio rates
    Gate out for external CV devices
    Sequencer Up to 32 steps per sequence and 16 tracks
    Real-time input rests and variable length sequences
    Sync to MIDI clock, external audio, CV input
    Control oscillator pitch and modulation matrix
    Arpeggiator Up, down, up+down, random, assign
    Real time inputs, rests, and variable sequences
    Distortion Programmable stereo analog
    I/O 1x MIDI in
    1x MIDI out
    1x MIDI thru/out 2 port
    1x USB port for bidirectional MIDI
    4x CV inputs via 1/8" jacks
    4x CV outputs via 1/8" jack
    1x Gate Out via 1/8" jack
    1x Sustain/footswitch input
    1x Expression pedal input
    1x External audio input via 1/4" phone jack
    2x Stereo output (L and R pair) via 1/4" phone jack
    1x Headphone out (stereo) via 1/4" jack
    Control Voltage 4x 1-Volt-per-octave control inputs
    4x 1-Volt-per-octave control outputs
    Controls 65+ Buttons
    50+ Knobs
    1x Backlit pitch wheel
    1x Backlit mod wheel
    2x Assignable position and pressure-sensitive latchable touch sliders
    Keyboard Full-sized, three-and-a-half octave, semi-weighted keyboard with velocity and aftertouch
    Memory 396 User presets
    396 Factory presets
    Playlist mode for generating set lists
    Power 1x universal IEC AC power inlet for internal power supply
    Power Requirements 100 to 240 VAC 50-60 HZ
    Power Consumption 30 W max
    Dimensions 29.20 x 12.80 x 4.15" (74.2 x 32.5 x 10.5 cm)
    Weight 18.7 lb (8.50 kg)
    Packaging Info
    Package Weight 24.0 lb
    Box Dimensions (LxWxH) 35.0 x 19.0 x 8.5"

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