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Oberheim Two Voice - User Manual

Oberheim Two Voice
20 pages
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A BRIEF
INSTRUCTION MANUAL
for the
OBERHEIM TWO-VOICE SYNTHESIZER
prepared by
james michmerhuizen
director,
the boston school of electronic music
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Summary

The Mini-Sequencer and Sample;Hold Unit

The Voice Modules: Core Components

Voice Modules: Filter and VCO Sync

Filter Controls and Modes

Covers filter types (BP, LP, Notch, HP), frequency, and resonance adjustments.

Voice Modules: Audio Inputs and Envelopes

Envelope Generator One

Controls the Attack, Decay, and Sustain parameters for the first envelope generator.

Voice Modules: LFO and VCA

Envelope Generator Two

Controls the Attack, Decay, and Sustain parameters for the second envelope generator.

First Steps: Basic Sound Production

Voltage Control of Oscillators and VCF

Explains how control voltages affect VCO pitch and VCF frequency.

First Steps: Modulation and Effects

First Steps: Dual Voice Operation

Two Voices and Keyboard Logic

Explains how to use both voice modules simultaneously and their keyboard interaction.

First Steps: Troubleshooting

No Sound and Continuous Sound Issues

Provides a checklist for resolving no sound or continuous sound problems.

First Steps: Minisequencer Usage

Minisequencer for Gating and Sequencing

Details setting up the minisequencer for automatic gating and pitch sequencing.

Minisequencer: Sequencer Control

Minisequencer: Transpose and Keyboard Control

Performing Hints and Tuning

Tuning Aids and Filter Rules

Summary

The Mini-Sequencer and Sample;Hold Unit

The Voice Modules: Core Components

Voice Modules: Filter and VCO Sync

Filter Controls and Modes

Covers filter types (BP, LP, Notch, HP), frequency, and resonance adjustments.

Voice Modules: Audio Inputs and Envelopes

Envelope Generator One

Controls the Attack, Decay, and Sustain parameters for the first envelope generator.

Voice Modules: LFO and VCA

Envelope Generator Two

Controls the Attack, Decay, and Sustain parameters for the second envelope generator.

First Steps: Basic Sound Production

Voltage Control of Oscillators and VCF

Explains how control voltages affect VCO pitch and VCF frequency.

First Steps: Modulation and Effects

First Steps: Dual Voice Operation

Two Voices and Keyboard Logic

Explains how to use both voice modules simultaneously and their keyboard interaction.

First Steps: Troubleshooting

No Sound and Continuous Sound Issues

Provides a checklist for resolving no sound or continuous sound problems.

First Steps: Minisequencer Usage

Minisequencer for Gating and Sequencing

Details setting up the minisequencer for automatic gating and pitch sequencing.

Minisequencer: Sequencer Control

Minisequencer: Transpose and Keyboard Control

Performing Hints and Tuning

Tuning Aids and Filter Rules

Oberheim Two Voice Specifications

General IconGeneral
TypeAnalog Synthesizer
Synthesis TypeSubtractive
Oscillators per Voice2
WaveformsSawtooth, Square, Pulse
LFO1
EnvelopeADSR
Keyboard37 Keys
ArpeggiatorNo
SequencerNo
Release Year1975
Filter ModesLow-pass, High-pass, Band-pass
Polyphony2 voices

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