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SOMA Pulsar 23 User Manual

SOMA Pulsar 23
172 pages
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The Pulsar-23 Notebook : Reference & Guide
PULSAR 23
A Guidebook
A Notebook
A Reference Book
Ver
1.0

Table of Contents

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SOMA Pulsar 23 Specifications

General IconGeneral
TypeSemi-modular drum machine
Voices4
Synthesis TypeAnalog
EffectsDelay, Distortion
ConnectivityMIDI, CV/Gate, Audio In/Out
Power12V DC

Summary

Overview

How to Use This Guidebook

Explains guide navigation, design, and conventions.

Hardware Overview

Details physical components, power supply, and connections.

Overview of Functions

Lists and briefly describes the 22 numbered functions/modules.

Glossary of Terms

Defines key terminology used throughout the guidebook.

Structure of Pulsar-23

Illustrates the core synthesis workflow: Make Sound, Shape Sound, Move Sound, FX.

Sound Generators

Sound Module Overview

Introduces the four primary audio generation modules (BD, BASS, SD, HHT).

Triggering Sounds

Explains various methods to trigger sound modules: manual, clock, MIDI.

Common Module Functions

Describes shared functions across modules: VCA, envelope, controls.

Individual Sound Generators

Details functions, parameters, and synthesis of BD, BASS, SD, and HHT modules.

Filters and Noise Source

Explains filter types (LPF, BPF, HPF) and the dedicated noise generator.

Advanced Sound Generation Techniques

Covers using audio as modulation and control signals as sound.

Looper & Clock

Master Clock Module Overview

Details the master clock's role in timing, tempo, and synchronization.

Master Clock Source Selection

Explains choosing internal, external, or MIDI clock sources.

Clock Pulses, Divisions, and Timing

Describes clock pulses, divisions, tempo, and metronome patching.

Looper Recorder Functionality

Introduces looper recording, overdubbing, and bank selection.

Recorder Control and Velocity

Details REC CONT module, velocity playback, and quantization.

Looper Banks and Workflow

Covers looper banks, selection, copying, and recording workflow.

Looper Reset and Synchronization

Explains looper reset, clock sync, and partition management.

Patching

Principles of Patching

Explains the alligator clip patching system and patch pins.

Patch Inputs, Outputs, and Control Signals

Details patch pin labels, signal flow, and control types (CV, Trigger).

Patch Bay and Interfacing

Describes patch bays for Eurorack and 1/4 jack connections.

Signal Manipulation Modules

Covers Attenuators, Mix In, VCA, Switches, and Inverters.

Circuit Bending and Voltage Patch Points

Explains circuit bending components and voltage patch points.

Dynamic Touch Sensors

Details using dynamic touch sensors for modulation voltage.

SHAOS & LFO

SHAOS Overview and Functions

Introduces SHAOS as a modulation source for pseudo-random sequencing.

LFO Overview and Wave Shapes

Explains the LFO's use as modulation and sound source with wave shapes.

Master Out & Effects

Main Output and Controls

Details main output volume, LEDs, and MIDI input status.

Distortion Effect

Explains the master distortion effect, drive, and mix controls.

FX Section Overview and Modes

Introduces FX section, delay/reverb modes, and controls.

Delay Effect Operation

Details the delay effect, its modes, and working principles.

Reverb Effect Operation

Details the reverb effect, its modes, and working principles.

Delay and Reverb Notes

Provides notes on pitch shifters, clock modulation, and stereo output.

Stereo Output Configuration

Explains achieving stereo output via DBL mode and MAD! pin.

External Control

MIDI Communication and Connections

Clarifies MIDI terminology and details device connections.

MIDI Learn Functionality

Explains assigning external controls to Pulsar-23 functions.

MIDI Control of Sound Modules

Details MIDI control for drum and BASS modules.

MIDI to CV Conversion

Explains converting MIDI to CV signals via the patch bay.

Eurorack Interconnections and Voltage Conversion

Covers interfacing with Eurorack systems and voltage range conversion.

Clock Synchronization and iPad Integration

Explains clock sync with external devices and iPad integration.

Technique

Synthesis Techniques

Demonstrates FM synthesis and using modules as sound sources.

Sidechain and Pitch Drop Patches

Covers sidechaining, pitch drops, and basic patch examples.

Ambient and Generative Soundscapes

Shows creating water drips, FX chaos, bright pings, and noise strings.

Alternating Hats and Generative Sound

Details alternating hats, generative soundscapes, and subtle bass patches.

Patch Templates

Provides blank templates for personal patch notes and designs.