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Alesis QuadraSynth Plus User Manual

Alesis QuadraSynth Plus
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ALESIS
QuadraSynth Plus
Reference Manual

Table of Contents

Questions and Answers:

Alesis QuadraSynth Plus Specifications

General IconGeneral
BrandAlesis
ModelQuadraSynth Plus
CategoryElectronic Keyboard
LanguageEnglish

Summary

Important Safety Instructions

Grounding Instructions

Explains the necessity and procedure for grounding the product to prevent electric shock risks.

CHAPTER 1 SETTING UP

Unpacking and Inspection

Details on how to unpack the unit, check for damage, and inventory included items.

AC Power Hookup

Instructions for connecting the QuadraSynth Plus to an AC power source safely.

Line Conditioners and Protectors

Recommendations for protecting the unit from voltage variations and power line noise.

About Audio Cables

Guidance on using high-quality audio cables and proper routing precautions.

Basic Audio Hookup

Describes how to connect the QuadraSynth Plus to amplification or mixing systems.

A Word About Sound Bridge

Introduction to the Sound Bridge software utility for sound design.

CHAPTER 2 YOUR FIRST SESSION WITH THE QUADRASYNTH PLUS

Powering Up

Step-by-step guide to powering on the QuadraSynth Plus and connected audio equipment.

Adjusting the Display Contrast

Instructions on how to adjust the LCD display contrast for better readability.

Enabling General MIDI Mode

How to activate General MIDI mode for compatibility with sequencers.

Program Mode and Mix Mode

Explanation of the two primary operating modes: Program and Mix.

Auditioning Internal Programs

How to select and play the QuadraSynth Plus's internal sounds (Programs).

Selecting Banks

Information on navigating between the different internal sound banks.

Selecting the MIDI Channel

How to choose the MIDI channel for transmitting and receiving data.

Realtime Performance Functions

Overview of controls like Velocity, Aftertouch, and Wheels for expressive playing.

The Quad Knobs

Description of the four Quad Knobs and their role in parameter editing and control.

Auditioning Mix Play Mode

How to select and listen to the different Mixes available on the unit.

Editing a Mix

Setting the Effects Level

How to adjust the send level for sounds to the effects processor.

CHAPTER 3 CONNECTIONS

Basic MIDI Hookup

Explains MIDI connections including MIDI OUT, MIDI IN, and MIDI THRU jacks.

Example 1: Master Controller for Live Use

Demonstrates using the QuadraSynth Plus to drive other MIDI devices.

Example 2: Using an External Sequencer

Shows how to connect and use the QuadraSynth Plus with an external sequencer.

About the Keyboard Mode

Explains different keyboard modes for MIDI transmission in Mix Mode.

Pedal and Footswitch Hookup

Instructions for connecting sustain and expression pedals.

Digital Audio/Optical Hookup

Details on connecting the unit for digital audio output via ADAT.

48 kHz Clock In

Information on synchronizing the unit's clock with external digital systems.

CHAPTER 4 OVERVIEW

Basic Architecture

Describes the sound engine, voice groups, and sound processing capabilities.

QuadraSynth Plus Polyphony

Explains the polyphony capabilities and how layering affects it.

Modes

Details the different operating modes: Program, Mix, Edit, Global, Store, Compare.

Program Play Mode

How to play individual Programs and respond to MIDI on a single channel.

Mix Play Mode

How to audition Mixes and use the unit as a master MIDI controller.

Program Edit Mode

How to edit individual Programs, including sound layers and parameters.

Mix Edit Mode

How to edit Mixes, assigning Programs to MIDI channels and setting levels.

Effects Edit Mode

How to edit the built-in digital signal processing effects.

Global Edit Mode

How to adjust system-wide parameters like tuning and display.

Store Mode

How to save edited Programs, Mixes, and Effects.

Compare Mode

How to compare edited settings with the original stored versions.

The User Interface: Display, Functions, Pages, and Parameters

Overview of the front panel display, Quad Knobs, and interface navigation.

Parameter Editing

Direct Function Selection

Using DIRECT SELECT buttons for quick access to editing functions.

Editing Program Parameters

Step-by-step guide to modifying parameters within a Program.

Edit 4 and Edit 1 Modes

Explains the two modes for editing program sounds simultaneously or individually.

Resetting a Parameter Value

How to quickly reset a parameter to its default setting.

Comparing Edited and Stored Versions

Using the Compare function to review changes before saving.

Preset Memory and User Memory

Distinction between ROM-based Preset banks and editable User banks.

Storing

Store a Program

Instructions for saving edited Programs to memory locations.

Copying Effects Between Programs

Store an Effect

How to save only the effect edits for a Program.

Store a Mix

Instructions for saving edited Mixes to memory.

To Audition Programs Before Storing

CHAPTER 5 EDITING MIXES

What is a Mix?

Explains Mix mode capabilities: layering, splitting, and multitimbral setups.

Mix Edit Mode

How to enter and navigate the Mix editing interface.

Understanding the Edit Buffers

Details on how Mix, Program, and Effect data is temporarily stored.

Program Assign for each MIDI Channel

Setting which Program is used for each MIDI channel within a Mix.

Level Setting for Each Program

Adjusting the volume for each Program assigned to a Mix channel.

Pitch

Adjusting the pitch and transposition for Programs in a Mix.

Setting the Range and MIDI Switches

Restricting Programs to specific keyboard ranges for splits and layers.

Range (Page 2)

MIDI In/Out and Keyboard parameters for channel range settings.

Range (Page 3)

MIDI parameter settings for Pitch-bend, Aftertouch, Sustain, and Controllers.

Transmitting MIDI Volume and Panning

How volume and panning settings are transmitted via MIDI.

Effects in Mix Play Mode

How to manage effect patches and their routing within Mixes.

Effect Level

Setting the send level for effects on each channel.

Effect Bus

Assigning effect sends to specific effect buses within a Mix.

Effect

Selecting the effect patch to be used by the Mix.

Naming a Mix

How to assign a custom name to a Mix.

Using the QuadraSynth Plus as a Master Keyboard

Utilizing the unit as a MIDI master keyboard for layering sounds.

Setting MIDI Out Channels for Mix in Global Mode

Configuring MIDI output channels and keyboard modes for Mixes.

CHAPTER 6 EDITING PROGRAMS

Overview

Introduction to synthesizer programming and sound shaping techniques.

The “Normalized” Synth Voice

Explanation of normalized module configurations in synthesizers.

How the QuadraSynth Generates Sound

Details on the integrated circuits and parameter-based sound generation.

Program Sound Layers

Describes how Programs use up to four sounds for layering or splitting.

The Four Sounds of a Program

Explains the components of a Program sound: voice, filter, amplifier, modifiers.

Voice

Details on the digital oscillator and onboard sample library.

Lowpass Filter

Explains the function and parameters of the lowpass filter.

Amp

Details on the amplifier module and its level control.

About Modulation

Explains modulation sources and destinations for shaping sound over time.

LFO (Low Frequency Oscillator)

Describes LFO modules for pitch, filter, and amp modulation.

Envelopes

Explains envelope generators for pitch, filter, and amp modulation.

Drum Mode

How to enable and program individual drum sounds.

Program Edit Functions

Assign Voice

How to select samples for Programs by group and name.

Group

Details on the 16 onboard sample groups available for selection.

Name

How to select specific samples by name within a group.

Level

Settings for volume, pan, and output assignment for individual sounds.

Pitch

Parameters for pitch transposition, detuning, and wheel control.

Filter

Parameters for filter cutoff, keyboard tracking, and velocity response.

Amp

Parameters for amplitude control, including velocity curve and aftertouch.

Range

How to restrict sounds to specific keyboard ranges.

Sound Overlap

Controls how many voices can overlap on the same pitch.

Mod

About General Purpose Modulation

Explains the modulation matrix for advanced sound shaping.

Mod Source

Selecting MIDI controllers or internal sources for modulation.

Mod Destination

Selecting parameters to be controlled by modulation sources.

Pitch LFO

Pitch LFO (Page 1)

Parameters for Pitch LFO waveform, speed, delay, and trigger.

Pitch LFO (Page 2)

Parameters for Pitch LFO level, mod wheel, and aftertouch depth.

Filter LFO

Filter LFO (Page 1)

Parameters for Filter LFO waveform, speed, delay, and trigger.

Filter LFO (Page 2)

Parameters for Filter LFO level, mod wheel, and aftertouch depth.

Amp LFO

Amp LFO (Page 1)

Parameters for Amp LFO waveform, speed, delay, and trigger.

Amp Envelope

Details on the Amp Envelope for shaping volume over time.

Amp Envelope (Page 1)

Parameters for Amp Envelope attack, decay, sustain, and release.

Amp Envelope (Page 2)

Delay and Sustain Decay parameters for the Amp Envelope.

Amp Envelope (Page 3)

Time tracking and sustain pedal parameters for the Amp Envelope.

Tracking Generator

Input

Selecting the input source for the Tracking Generator.

Name

Misc.

Drum Mode

Enables and disables Drum Mode for assigning individual drum sounds.

Sound Enable

Master on/off switch for sounds within a Program to manage polyphony.

Programming Drum Sounds

Assign Voice

How to assign specific drum samples to keys within Drum Mode.

Group

Details on the drum sample groups available for assignment.

Voice

Lists the available drum samples within each group.

Level

Settings for volume, pan, and output for individual drum sounds.

Effect Level

Setting the effects send level and bus assignment for drums.

Pitch

Pitch (-12.00 to +12.00)

Adjusting the pitch transposition and velocity modulation for drums.

Filter

Controlling drum brightness via velocity and filter settings.

Amp

Setting drum response to playing dynamics using velocity curves.

Range

Note (000 to 127/C-2 to G8)

Assigning a specific note to trigger a drum sound.

Range (0 to +3)

Setting a range of notes above the root note to trigger a drum.

Amp Envelope

Adjusting the Amp Envelope decay for drum sounds.

Mute Group (Off, 1, 2, or 3)

Copying Sounds

Copying Effects

How to copy effect patches from one Program to another.

Initializing Programs

CHAPTER 7 EDITING EFFECTS

About Signal Processing

Overview of the built-in effects processor and its capabilities.

Editing Effects

Entering and navigating the effects editing interface.

Storing Effect Patches In Program Mode

How to store edited effect patches along with Programs.

Storing Effect Patches in Mix Mode

How effect patches are handled when storing Mixes.

Copying Effect Patches

How to copy effect patches between Programs.

Configurations

Selecting effect configurations that define routing and parameters.

Configuration #1: 4-Sends, 1 Reverb

Details of the first effects configuration with four sends and one reverb.

Configuration #2: 4-Sends, 2 Reverb

Details of the second effects configuration with four sends and two reverbs.

Configuration #3: 4-Sends, 1 Lezlie

Details of the third effects configuration with a Leslie effect.

Configuration #4: 2-Sends, with EQ

Details of the fourth effects configuration with EQ on main outputs.

Configuration #5: OD>CHS>DDL>REV>LZ

Details of the fifth effects configuration with multiple chained effects.

Reverb

Parameters for editing the reverb effect, including input and type.

Send Input Levels

Adjusting signal levels sent to the reverb from different effect sends.

Reverb (Page 2)

Parameters for reverb type selection and pre-delay settings.

Reverb (Page 3)

Parameters for reverb input filter, decay, and low/high decay.

Reverb (Page 4)

Parameters for reverb density and diffusion settings.

Delay

Parameters for editing the delay effect, including type and time.

Pitch

Parameters for editing pitch effects like chorus, flange, and detune.

Mod

Controlling effect parameters using modulation sources and destinations.

Mix

Mixing effect outputs to the main stereo outputs.

EQ

Adjusting low and high frequency EQ parameters for tone shaping.

Overdrive

Parameters for the overdrive effect: type, threshold, brightness, and balance.

CHAPTER 8 GLOBAL SETTINGS

Editing Global Parameters

Overview of accessing and editing global parameters affecting the entire instrument.

LCD Contrast

Adjusting the brightness and readability of the LCD display.

General MIDI Mode

Enabling General MIDI mode for compatibility with MIDI sequences.

Master Pitch and Master Tuning

Setting the overall pitch and fine-tuning for the instrument.

Keyboard Sensitivity

Adjusting how the keyboard responds to playing dynamics (velocity).

Keyboard Curve

Selecting different velocity response curves for the keyboard.

Keyboard Transpose

Transposing the keyboard output by octaves or semitones.

Keyboard Mode

Configuring keyboard behavior for MIDI transmission in Mix Mode.

Controllers A – D Assignment

Assigning MIDI controllers to general purpose controller numbers.

Controllers A – D Mode

Setting how Controllers A-D affect the unit or transmit MIDI data.

Pedal 1 and 2 Assignment

Assigning MIDI controllers to Pedal 1 and Pedal 2 inputs.

Using Pedals to Control Volume or Modulation

How pedals can control volume or modulation effects.

MIDI Program Select

Configuring response to incoming MIDI Program Change messages.

Receiving and Transmitting Bank Change Message

How the unit handles MIDI Bank Select messages.

Edit Mode

Setting the Quad Knob editing behavior (Immediate or Pass-thru).

48 KHz Clock Input

Enabling the 48 kHz clock input for synchronization with ADAT systems.

CHAPTER 9 MIDI TRANSFER AND STORAGE OPERATIONS

Saving the User Bank to an External Card

Instructions for saving the entire User Bank to a RAM card.

Loading a Bank from an External Card

Instructions for loading a Bank from an external card into the unit.

Storing an Individual Program or Mix to an External Card

Saving single Programs or Mixes to an external card.

Loading an Individual Program or Mix from an External Card

Loading single Programs or Mixes from an external card.

Card Storage RAMifications

Potential issues and solutions when transferring banks between internal memory and cards.

Saving Programs via MIDI Sys Ex

Transmitting data via MIDI System Exclusive messages for backup or transfer.

To send the entire User bank via MIDI

Procedure for sending the entire User bank via MIDI Sys Ex.

To send a single Program via MIDI

Procedure for sending a single Program via MIDI Sys Ex.

To send a single Program via MIDI to a different Program number

Sending a single Program to a different location via MIDI Sys Ex.

Trouble-Shooting

Trouble-Shooting Index

A table listing common symptoms, causes, and solutions for operational issues.

Checking Software Version

How to determine the current software version installed on the unit.

Maintenance/Service

General tips for cleaning, maintenance, and when to seek professional servicing.

Refer All Servicing to Alesis

Guidance on not attempting self-service and contacting qualified technicians.

Obtaining Repair Service

Instructions for contacting Alesis for repair service and warranty information.

MIDI SUPPLEMENT

MIDI Basics

Introduction to MIDI, its history, and fundamental concepts.

MIDI Hardware

Description of MIDI ports (In, Out, Thru) and compatible devices.

MIDI Message Basics

Explanation of MIDI messages: Channel (Voice, Mode) and System messages.

Continuous Controller

Details on continuous controllers and their MIDI identification numbers.

System Common Messages

Explanation of system-wide MIDI messages like Song Position Pointer and System Exclusive.

General MIDI

Overview of the General MIDI standard and its implementation.

MIDI Registered Parameter 0 (Pitch Bend Sensitivity)

How MIDI Registered Parameter 0 affects Pitch Wheel Range.

MIDI Registered Parameter 1 (Fine Tune)

How MIDI Registered Parameter 1 affects Detune Amount.

MIDI Registered Parameter 2 (Coarse Tune)

How MIDI Registered Parameter 2 affects Tune Semitone.

PARAMETERS INDEX

Program Parameters

An index listing Program parameters, their function, page, and knob assignments.

Mix Parameters

An index listing Mix parameters, their function, page, and knob assignments.

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