Sequential's Powerful Professional Performance Synthesizer

Sequential Pro 3 is a hybrid multifilter synthesizer featuring a premium 37-note Fatar semi-weighted keyboard, three oscillators (two VCOs and a wavetable) and three classic analog filters (Prophet-6, OB-6 and ladder), along with a new and powerful 16-track sequencer and the ability to connect to modular synthesizers via its four control voltage inputs and outputs. Additional features include three LFOs, four envelopes, an arpeggiator, a white noise generator, hard Sync, per-oscillator Glide, Oscillator Slop, dual digital effects and much more. The Pro 3 even has a 3-voice paraphonic mode with individually oscillator-controlled envelopes — meaning you can play triads on a monosynth!

3 powerful oscillators

The magic starts with three oscillators — two analog VCOs and a digital wavetable. Analog oscillators generate three classic waveforms, triangle, saw and pulse; each with variable shape/pulse width modulation. The DSP-based digital oscillator outputs 32 wavetables of 16 waves each with waveform, plus classic sine, triangle, saw, variable width pulse and super saw waveforms. In addition, Digital Oscillator 3 can function as an LFO for complex wavetable-based modulation. A fourth sound source — a white noise generator — is accessible via the Mixer section for adding variable grain to any patch.

3 classic analog filters

The Sequential Pro 3 is a uniquely capable synthesizer, but what really sets it apart are its three classic analogue filters. Comprising the best VCF topologies from half a century of analog synthesis, the Pro 3's filter section includes a 4-pole 24dB/octave low-pass filter from the Prophet-6; a classic 4-pole, 24dB/octave transistor ladder filter with variable resonance; and a 2-pole, 12 dB/octave, state-variable OB-6 filter that can be continuously switched between low-pass, notch, and high-pass operation, with an optional band-pass mode.

LFOs, Envelopes, Feedback and Distortion

Onboard the Pro 3 are three synchronizable LFOs, each with five waveforms (triangle, saw, reverse saw, square and S&H), plus phase shift and slew rate. There are four ADSR Envelopes (VCA, Filter and two Auxiliaries). Envelopes are freely assignable to multiple modulation destinations and can repeat/loop. When you need sonic hyper-aggression, use the Tuned Feedback generator with Grunge. To unleash the tonal destruction, crank up the Pro 3's programmable analogue distortion. If you're in a band, your lead guitarist will have a newfound respect for you as you swap lead lines and power chords.

The mod matrix

Any sound you can imagine, you can realize with Sequential Pro 3. The Mod Matrix adds sophisticated modular synthesis capabilities to the practical real-time immediacy of this powerful performance synthesizer. The Pro 3's 32-slot mod matrix has over 46 modulation sources and over 171 destinations. Modulation Assign knobs allow for quick and easy modulation routing, while a quantity encoder lets you dial in the ideal mix. So bend it, twist it, wreck it beyond recognition. That's the sound of inevitability.

CV I/O and Gate Out

The Pro 3 is equipped with four control voltage (CV) inputs and outputs for interfacing with modular synthesizers and other CV-compatible devices. Parameters that can be sent to the CV outputs include oscillators, LFOs, envelopes, sequencer tracks, or any other source within the modulation matrix. Sequential also specified the Pro 3 with a Gate Out for triggering CV compatible external devices. Any CV entry can be used as a port entry.

Advanced 16-track sequencer

An advanced sequencer brings state-of-the-art songwriting and sound design prowess to the Pro 3. The sequencer has three modes: normal, closed and trigger. With 16 tracks and 4 connectable 16-step phrases, the Sequencer features ratchet, duration and speed per step; as well as forward, reverse, forward/reverse, and random play modes. It supports real-time and step input, pauses and variable-length sequences, and syncs with MIDI clock or external audio, as well as CV input. Sequences are freely assignable to any modulation target.

Sophisticated Arpeggiator

The Pro 3 also features a sophisticated arpeggiator with up, down, up+down, random and assign modes. It synchronizes with MIDI clock and external audio and CV inputs and has latching capability. It can be run simultaneously with the sequencer to generate arpeggiated patterns with parameter automation.

incredible professional value

Sequential packed a lot of synth goodness into the Pro 3. Bedecked with over 60 knobs and 70 knobs that allow for deep editing with minimal menu diving, the Pro 3 is equally at home on stage and in the studio. It offers 512 factory and 512 user presets, plus on-the-fly real-time controls that let you quickly lock in your sounds during a live performance, plus it offers the comprehensive sound sculpting capabilities that serious sound designers and composers demand. Onstage, you'll appreciate the Playlist mode that generates defined lists of your favorite presets. The same goes for the smooth, precise response of the Pro 3's backlit Pitch and Mod wheels, which are easily visible in low-light situations. Another feature we really love is that the Pitch Wheel's upper and lower tone range are independently adjustable. Also on the left cheek is a locking, position-sensitive touch slider for added interactivity and control. With generous professional connectivity, Sequential Pro 3 is an incredible value. If you're a serious synth player, you probably need one.

Designed by a synth legend

Dave Smith was the design engineer and driving force behind the original sequential circuits, whose first product was the legendary Prophet 5 in 1977—the first polyphonic synthesizer capable of storing the value of every parameter in its voice and control systems. This was a watershed technological advance, and the implications were staggering. Think about it: before the Prophet 5, it simply wasn't possible to input a patch number into a synth and retrieve the sounds you had stored. O Prophet 5 and its successors were hugely successful, finding their way into every major artist's studio and keyboard, and onto countless recordings by artists as diverse as Madonna and Weather Report! But Dave Smith's impressive record wouldn't be complete without a mention of the important role he played in the development of MIDI. Today, Sequential is back in style with cutting-edge synths that incorporate the best of vintage and modern technologies. We are proud to offer you such a fine line of distinctive musical instruments.

Characteristics

• Premium 37-note semi-weighted Fatar keyboard;
• 3-voice paraphonic mode with individually oscillator-controlled envelopes;
• 3 oscillators (2 VCOs, 1 digital wavetable);
• 3 classic analog filters (Prophet-6, OB-6 and ladder filter);
• 3 syncable LFOs with phase shift and rotation per LFO;
• 4 delay ADSR envelopes (Filter, VCA and two Auxiliaries);
• Grunge-tuned feedback for ultra-aggressive sounds
• Programmable analog distortion generator;
• Deep real-time control with 60+ knobs and 70 knobs;
• Backlit pitch (track up/down assignable separately) and mod wheels;
• Touch slider with position-sensitive lock for greater interactivity;
• Advanced 4-phrase x 16-track x 16-step sequencer;
• Arpeggiator with up, down, up+down, random, assign modes;
• 32-slot modulation matrix;
• Dual digital effects plus tuned feedback and analog distortion
• 512 factory and 512 user presets;
• Playlist mode for generating setlists of your favorite presets;
• 4 CV inputs/outputs; exit door;
• MIDI I/O/T/MIDI Out 2 port;
• USB port for bidirectional MIDI communication;
• 1 sustain/pedal input;
• 1 expression pedal input;
• 1 external audio input (1/4-inch phone jack);
• Main stereo output (2 x 1/4-inch phone jack);
• Headphone output (stereo 1/4-inch headphone jack);
• Internal power supply; universal IEC AC power input;
• Operates worldwide at 100–240 V, 50–60 Hz.

Specifications

• Type: keyboard synthesizer with sequencer;
• Digital Analog: Hybrid;
• Number of keys: 37;
• Wrenches type: semi-heavy, full size;
• Back Touch: Yes;
• Velocity sensitive: yes;
• Other controllers: pitch bend, mod wheel, touch slider;
• Polyphony: monophonic, 3-voice paraphonic;
• Presets: 512 x User Programs, 512 x Factory, 32-slot Modulation Matrix;
• Oscillators: 2 x Analog VCO, 1 x Digital Table Oscillator;
• Waveforms: VCO: Triangle, Sawtooth, Pulse; Digital Wavetable: 32 x Digital Wavetables of 16 Waves Each, Classic Waveforms, Super Saw;
• LFO: 3 x Synchronizable LFO (triangle, saw, reverse saw, square, S&H);
• Filter: 4 pole 24dB Prophet 6 Lowpass, 4 pole 24dB Transistor Ladder, 2 pole 12dB OB-6 State variable;
• Envelope Generator: 4 x ADSR with delay, repeat/loop;
• Effect types: Delay, Reverb, Chorus, Flange, Phase, Distortion, Rotary Speaker;
• Arpeggiator: Up, Down, Up+Down, Random;
• Sequencer: 16 Tracks, 4 Linkable 16-Step Phrases, 3 Modes (Normal, Closed, Trigger), Multiple Playback Modes;
• Audio Inputs: 1 x 1/4 in.;
• Audio Outputs: 2 x 1/4 in. (L/R);
• Headphones: 1 x 1/4 in.;
• USB: 1 x Type B;
• MIDI I/O: In, 2x Out, Passthrough, USB;
• Pedal Inputs: 1 x 1/4 in. (hold up), 1 x 1/4-in. (expression);
• Other I/O: 4 x CV in, 4 x CV out, 1 x Gate out;
• Power source: standard IEC AC cable;
• Dimensions: 67.3 x 33 x 8.9cm;
• Weight: 7.3kg.