Prophet 5

Sequential_Circuits Prophet 5

Released: 1978

MSRP: $3995-4495US

Synopsis:

A classic polysynth. One of the first polysynths with patch memory. Architecture Class: Conventional (subtractive).

Ebay Description:

The Sequential Circuits Prophet 5 is a classic 61 key, 5 voice analog synthesizer, featuring programmable dual oscillators (VCOB can be an LFO), resonant low pass filter (24dB CEM), dual envelopes, glide, and LFO, along with a tape interface and CV/Gate inputs/outputs.

Physical

Form Factor	Dimensions	Weight	Audio Input	Audio Output	Communication Port	Control Input	Control Output	Switch Input	Power
61 keys	?	?	no	mono	Rev3:MIDI tape	Analog sequencer:CV (1V/oct) Analog sequencer:Gate Digital sequencer (4 pin DIN):UART/Clock FilterCV:0-10V Amplifier:0-10V Analog (5 pin DIN): ModCV:0-10V PitchCV:+-22V	Analog sequencer:CV (1V/oct) Analog sequencer:Gate Digital sequencer (4 pin DIN):UART	sustain	wired

Interface

Compatibility	Multitimbral Memory	Program Memory	External Storage	External Programming	UI Input	UI Output
N/A	N/A	Rev1-3.2:40 Rev3.3:120	tape	no	button/knobs	LED

Architecture

Multitimbral	Polyphony	Unison	Architecture
no	5	yes	VCO1+VCO2+Noise->VCF->VCA

Output

Effects	Pan Modulator	Volume Modulator	Headphone
no	no	VCA-EG	no

Control

Arpeggiator	Arpeggiator External	Sequencer	Sequencer Memory	Sequencer External	Continuous	Program Change
no	no	no	no	no	Pitch-Wheel Mod-Wheel	no

Keyboard

Key Pressure	Chord Memory	External Control	External Sustain	Key Scaling	Velocity Curves
no	no	MIDI	pedal	yes	no

Source

Name	Signal Class	Waveform	Octave Range	Amplitude Modulator	Harmonics Modulator	Pitch Modulator
VCOA	analog	pulse saw	4	no	FM:VCOB PWM: LFO Noise VCF-EG VCOB	glide LFO Noise Pitch-Wheel VCOB VCF-EG
VCOB	analog	pulse saw triangle	4 LFO	no	PWM: LFO Noise	glide LFO Pitch-Wheel Noise
Noise	analog	noise	-	no	no	no

Filter

Name	Signal Class	IC	Resonant	Shape	Frequency Modulator	Resonance Modulator	Shape Modulator
VCF	analog	SSM2040 CEM3320	yes	24dB low pass	key LFO Noise VCF-EG VCOB	no

Envelope

Name	Level	Rate	Loop	Polarity	Trigger	Level Modulator	Rate Modulator
VCA-EG	sustain	attack decay release	no	no	no	no	no
VCF-EG	sustain	attack decay release	no	no	no	no	no

LFO

Name	Waveform	Delay	Polarity	Sync	Delay Modulator	Level Modulator	Rate Modulator
LFO	saw:up square triangle	no	no		no	Mod-Wheel	no

Conventional Models

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