Sequential Prophet-10 10-Voice Polyphonic Analog Synthesizer

When Dave Smith first created the iconic Prophet-5 synth, he also produced a ten-voice version with the Prophet-10. As Sequential began working on the rerelease of the Prophet-5, they decided it only felt right to recreate this original, too. With only a few in existence today, the Prophet-10 recreation of the ultra-rare 1978 synthesizer is a ten-voice version of the Prophet-5. It boasts the same authentic voice and collector-worthy design as the Prophet-5, but with the power of 10.

Oscillators

• 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)

Mixer

• Oscillator 1 amount
• Oscillator 2 amount
• White noise amount

Low-Pass Filter

• 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 equivalent of the original 2040 filter
• 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

Filter Envelope

• Four-stage (ADSR) envelope generator
• Velocity modulation of envelope amount

Amplifier Envelope

• Four-stage (ADSR) envelope generator
• Velocity modulation of envelope amount

Low Frequency Oscillator

• Three wave shapes: sawtooth, triangle, square (all 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

Poly Mod

• Sources: filter envelope and oscillator B
• Destinations: oscillator A frequency, oscillator A pulse width, filter cutoff

Aftertouch

• Channel (mono) aftertouch 
• Destinations: filter cutoff frequency, LFO amount

Performance Controls

• 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

Patch Memory

• 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

Power

• IEC AC power inlet for internal power supply
• Operates worldwide on voltages between 100 and 240 volts at 50 to 60 Hz
• Prophet-10: 28 watts maximum power consumption

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