Dave Smith Instruments Sequential Prophet-6 Polyphonic Analog Synth Keyboard

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Dave Smith Instruments Sequential Prophet-6 Polyphonic Analog Synth Keyboard

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The Prophet-6 is Dave Smith’s tribute to the poly synth that started it all—the Sequential Prophet-5. But it’s not simply a reissue of a classic. Rather, as Dave puts it, “It’s the result of our effort to build the most awesome-sounding, modern analog poly synth possible.” The Prophet-6 takes the best qualities of the original Prophet-5—true voltage-controlled oscillators, filters, and amplifiers—and adds enhancements such as studio-quality effects, a polyphonic step sequencer, an arpeggiator, and more. The result is pure, unadulterated analog tone with the stability and reliability of a state-of-the-art modern synth.

Classic Tone, Classic Vibe
Central to the warm, punchy sound of the Prophet-6 are its two newly-designed, discrete voltage-controlled oscillators (plus sub-oscillator) per voice. Continuously variable waveshapes provide the tonal palette with triangle, sawtooth, and variable-width pulse waves. There are two discrete filters per voice—a four-pole, resonant, low-pass inspired by the original Prophet-5 filter, and a two-pole, resonant, high-pass filter. Voltage-controlled amplifiers complete the all-analog signal path.

Dual Effects
The dual effects section provides studio-quality reverbs, delays (standard and BBD), chorus and phase shifter. While the effects themselves are digital, with 24-bit, 48 kHz resolution, a true bypass maintains a full analog signal path. There’s also an independent stereo distortion effect, which is 100% analog.

Poly Mod and Poly Step Sequencing
Also present from its classic predecessor is a Poly Mod section, with enhancements. True to the original, modulation sources are filter envelope and oscillator 2 (both with bi-polar control). Destinations include oscillator 1 frequency, oscillator 1 shape, oscillator 1 pulse width, low-pass filter cutoff, and high-pass filter cutoff. Another welcome reprise is Unison mode, which features configurable voice count (1-6 voices) and key modes. The polyphonic step sequencer allows up to 64 steps and up to 6 notes per step. You can create sequences polyphonically, with rests, and sync to an external MIDI clock. The full-featured arpeggiator can be synced to external MIDI clock as well.

Easy to Program
The knob-per-function front panel offers instant access to virtually all Prophet-6 functions. Included are 500 permanent factory programs and 500 rewritable user programs. Toggling off the Preset button enables live panel mode, in which the sound of the Prophet-6 switches to the current settings of its knobs and switches. In this state, what you see is what you hear.

Easy to Play
All of this awe-inspiring sound is packed into a four octave, semi-weighted keyboard with velocity and channel aftertouch that’s an ideal combination of portability and power for the project studio or the gigging musician.

Two newly designed, discrete VCOs per voice
Continuously variable wave shape (triangle, sawtooth, pulse, square) per oscillator
Pulse width per oscillator
Hard sync: oscillator 1 syncs to oscillator 2
Triangle sub-octave generator (oscillator 1) per voice
Low frequency mode (oscillator 2)
Keyboard tracking on/off (oscillator 2)
Oscillator slop amount for increased tuning instability, from subtle to extreme
Oscillator 1 amount
Oscillator 1 sub-octave amount
Oscillator 2 amount
White noise amount
Two-pole, resonant, high-pass filter per voice
Bi-polar filter envelope amount
Velocity modulation of envelope amount
Keyboard tracking: off, half, full
Four-pole, resonant, low-pass filter per voice, inspired by the original Prophet 5 filter
Filter can be driven into self-oscillation with the Resonance control
Bi-polar filter envelope amount
Velocity modulation of envelope amount
Keyboard tracking: off, half, full
Four-stage (ADSR) envelope generator
Four-stage (ADSR) envelope generator
Velocity modulation of envelope amount
Five wave shapes: triangle, sawtooth, reverse sawtooth, square, and random (sample and hold)
Clock sync (internal or external MIDI clock)
Initial amount
Mod destinations: oscillator 1 frequency, oscillator 2 frequency, oscillator 1 and 2 pulse width, low-pass filter cutoff, high-pass filter cutoff
Sources: filter envelope (bi-polar) and oscillator 2 (bi-polar)
Destinations: oscillator 1 frequency, oscillator 1 shape, oscillator 1 pulse width, low-pass filter cutoff, high-pass filter cutoff
Source: channel (mono) aftertouch with bi-polar amount
Destinations: oscillator 1 frequency, oscillator 2 frequency, LFO amount, amplifier envelope amount, low-pass filter envelope amount, high-pass filter envelope amount
Master clock with tap tempo
BPM control and display
MIDI clock sync
Selectable note value: 16th note, 8th note triplet, 8th note, dotted 8th note, quarter note
One, two, or three octave range
Up, down, up/down, random, and assign modes
Polyphonic step sequencer with up to 64 steps and rests
Stereo analog distortion
Dual, 24-bit, 48 kHz digital effects, including: reverb (room, hall, plate, spring), delay (full bandwidth digital delay and emulated bucket brigade), chorus, and phase shifter
Delay sync
True bypass maintains fully analog signal path when digital effects are off
Full-sized, semi-weighted, 4-octave keyboard with velocity and aftertouch
Backlit pitch and mod wheels
Spring-loaded pitch wheel with selectable range per program (1 to 12 semitones up and down)
Transpose controls for an 8-octave range
Hold switch latches held notes on
Polyphonic glide (portamento)
Unison (monophonic) mode with configurable voice count, from one to all six voices, and key modes
Preset switch: when off, the front panel is live; what you see is what you hear
500 user and 500 factory programs in 10 banks of 100 programs each
Direct program access, including Prophet 5-style single-button access to the current set of 10 programs
Left/mono and right audio outputs (2 x 1/4” phone jack)
Headphone output (stereo, 1/4” phone jack)
MIDI in, out, and thru ports
USB for bidirectional MIDI communication
Low-pass filter cutoff expression pedal input
Volume expression pedal input
Sustain footswitch input
Sequencer start/stop footswitch input
IEC AC power inlet for internal power supply
Operates worldwide on voltages between 100 and 240 volts at 50 to 60 Hz; 30 watts maximum power consumption
32.3” L x 12.7” W x 4.6″ H (82.0 cm x 32.3 cm x 11.7 cm)
20.0 lbs (9.5 kg)
Walnut end panels and trim

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