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Sequential Prophet-10 Synthesizer Keyboard

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Overview by GAK

Sequential’s Prophet-10 Rev4 features the best aspects of all the Prophet revisions - the Rev1, Rev2 & Rev3. Sequential have made the Rev4 the best revision yet, combining the analogue Prophet sound with a host of modern enhancements such as velocity/aftertouch, a configurable Unison mode, polyphonic Glide and MIDI/CV connectivity.

10 Analog Voices

The original Prophet-5 came in two configurations - a 5-voice version and a 10-voice version which had two voice boards stacked on top of each other. The 10-voice Prophet was quickly recalled as its tuning would start to go berserk as the voice boards started to heat up and only a few examples of this synth remain. The Prophet 10 Rev 4 realises Dave Smith’s original vision for the iconic instrument, giving players the glorious experience of 10 rich analogue voices in a P5-sized chassis.

The Sequential Prophet-10 Rev4 is the ultimate iteration of this entry in the Prophet pantheon, as the additional voices mean you can pull off sprawling pads with lengthy releases and authentic electric piano patches without having to worry about voice stealing.

If you love the characteristic “Bette Davis Eyes” note stealing sound that only 5 voices can produce, don’t fret! As of Update 1.5.0, you can engage a 5 voice limit mode which effectively transforms the P-10 into a P-5. With the Prophet 10 in Poly Unison (PU2) mode, you can create a supercharged Prophet 5 that stacks 2 complete voices - that’s up to 4 VCOs per note.

Premium Hardware

The Keyboard of Sequential’s Prophet 10 Rev 4 features a premium five-octave Fatar keyboard, which is velocity and aftertouch sensitive. Not only does this semi-weighted keyboard feel great to play, its expressive capabilities allow you to use the P10’s velocity and aftertouch enabled sound engine to its full potential. This astounding synth has a classy, timeless aesthetic to match its sound, blending a hand-selected Black Walnut heartwood with road-ready steel construction. Each Prophet 10 Rev 4 has a unique look, as the colour and figure of the wood can vary significantly between each one.

If pure analogue goodness is what you’re looking for, the Sequential Prophet-10 Rev 4 is truly hard to beat. Whilst classic vintage synths can deliver a similar sonic experience, they’re more expensive & not as reliable or as easily integrated into a modern setup as the P-10 Rev4.

<<Click here to learn more about the Prophet-10 Rev4’s features!>>

  • Two authentic CEM 3340 VCOs per voice
  • Simultaneously selectable wave shapes. Oscillator A: sawtooth, pulse. Oscillator B: sawtooth, triangle, pulse.
  • Pulse width per oscillator
  • Hard sync: oscillator 1 syncs to oscillator 2
  • Low frequency mode (oscillator 2)
  • Keyboard tracking on/off (oscillator 2)
  • Oscillator 1 amount
  • Oscillator 2 amount
  • White noise amount
  • Four-pole, resonant, low-pass filter per voice
  • Switchable between authentic versions of the Prophet-5 Rev1/2 filter and Prophet-5 Rev3 filter
  • Rev1/2 filter is a Dave Rossum-designed 2140, the modern counterpart of the original 2040 filter found in the Prophet-5 Rev1 and Rev2
  • Rev3 filter is a Doug Curtis-designed CEM 3320
  • Filter can be driven into self-oscillation with the Resonance control
  • Keyboard tracking: off, half, full
  • Four-stage (ADSR) envelope generator
  • Velocity modulation of envelope amount
  • Four-stage (ADSR) envelope generator
  • Velocity modulation of envelope amount
  • Three wave shapes: sawtooth, triangle, square. All waveshapes can be engaged simultaneously
  • Both Initial Amount and mod wheel control
  • Mod destinations: oscillator A frequency, oscillator B frequency, oscillator A and B pulse width, filter cutoff
  • Sources: filter envelope and oscillator B
  • Destinations: oscillator A frequency, oscillator A pulse width, filter cutoff
  • Recreates the characteristics of various Prophet-5 models by varying the behavior of oscillators, envelopes, amplifiers, and other parameters. Go from a very stable “4” — as in Prophet-5 Rev4, (the new version) — all the way to “1,” as in Prophet-5 Rev1, the rarest and most temperamental of all Prophet-5s.
  • Channel (mono) aftertouch
  • Destinations: filter cutoff frequency, LFO amount
  • Full-sized, semi-weighted, premium Fatar 5-octave keyboard with velocity and aftertouch
  • Mod wheel
  • Spring-loaded pitch wheel with selectable range per program (1 to 12 semitones up and down)
  • Polyphonic glide (portamento)
  • Unison (monophonic) mode with configurable voice count, from one to all ten voices and key modes
  • Preset switch: when off, the front panel is live; what you see is what you hear
  • 200 user and 200 factory programs in 5 banks of 40 programs each
  • Direct program access, including Prophet 5-style single-button access to the current set of 8 programs
  • Mono output (1 x 1/4” phone jack)
  • Headphone output (stereo, 1/4” phone jack)
  • MIDI in, out, and thru ports
  • USB for bidirectional MIDI communication
  • Control voltage in/out (1 x 1/4” phone jack) 0- +5V input/output signal. Configured for 1-volt-per-octave operation.
  • Gate in/out (1 x 1/4” phone jack). Accepts a 1.5 to 15-volt on/off signal to gate the envelopes of a single voice on the Prophet-10. Outputs a 15-volt on/off used to gate the envelopes of an external synth.
  • Low-pass filter cutoff expression pedal input
  • Volume expression pedal input
  • Sustain footswitch input
  • IEC AC power inlet for internal power supply
  • Operates worldwide on voltages between 100 and 240 volts at 50 to 60 Hz; 28 watts maximum power consumption
  • 37.5” L x 16.4 W x 4.9″ H (95.25 cm x 41.6 cm x 12.4 cm)
  • 31 lbs (14.06 kg)
  • Roadworthy all-steel construction with premium black walnut heartwood body and trim



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GAK.CO.UK LTD is registered in England and Wales 04578270. Registered office: 30 - 34 North Street Hailsham East Sussex BN27 1DW GAK.CO.UK LTD acts as a credit broker and only offers credit products from Secure Trust Bank PLC trading as V12 Retail Finance. GAK.CO.UK LTD is an appointed representative of The Guitar Amp and Keyboard Centre Limited which is authorised and regulated by the Financial Conduct Authority. GAK.CO.UK LTD FCA registration number is 731400. The Guitar Amp and Keyboard Centre Limited FCA registration number is 684977. Credit provided subject to age and status

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