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MFB SYNTH Pro User Manual

MFB SYNTH Pro
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SYNTH PRO
Operating Manual
1

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MFB SYNTH Pro Specifications

General IconGeneral
TypeAnalog Synthesizer
Polyphony8 voices
ArpeggiatorYes
WaveformsSquare, Triangle
LFOs2 LFOs
Envelopes3 ADSR envelopes
KeyboardNo
ConnectivityMIDI In/Out
Oscillators3 VCOs per voice
Filters24dB/octave low-pass filter

Summary

Imprint and Manufacturer Information

Safety Instructions

Installation and Electrical Safety

Covers safe placement, ventilation, and proper electrical connection procedures for the device.

Operation, Maintenance, and Disposal

Usage Precautions

Safety measures during operation, including handling liquids, ensuring stability, and preventing foreign objects.

Maintenance and Cleaning

Guidelines for cleaning and servicing, emphasizing professional repair and avoiding harsh chemicals.

Intended Use and Disposal

Outlines the device's authorized functions and proper disposal methods, classifying it as special waste.

General Information and Startup

Product Overview

Introduces the MFB SYNTH PRO as an eight-voice polyphonic analog synthesizer with advanced features.

Getting Started

Details the initial power-up procedure, connections, and warm-up period for tuning stability.

User Interface and Operation

Control Operation

Explains how to adjust sound shaping functions using controls and how parameters are displayed in the top row.

Oscilloscope Function

Describes how to access and use the real-time waveform display and adjust trigger/timing values.

Voice and Preset Management

Voice Status Display

Explains the LEDs that visualize the currently active voices (1-4 red, 5-8 green).

Preset Selection and Storing

Guides on selecting, saving, and programming new presets, including bank management and hints for avoiding issues.

Voice Mode Configuration

Details the eight voice modes (Poly, Poly1+7, Chord+4, Mono, Unisono, Rotate) and their assignments.

Oscillators

Oscillator Pitch Control

Explains how to adjust the octave register (16', 8', 4') for each oscillator, with LED indicators.

Oscillator Tuning and Modes

Fine Tuning Controls

Details the DTUNE 1/2/3 functions for fine-tuning per VCO and how to adjust them using the MISC section.

DCO-mode and Auto Tuning

Explains DCO-mode for stable tuning and the automatic tuning procedure, including hints for optimal use.

Oscillator Waveforms and Modulation

Waveform Selection

Describes continuous waveform blending (Sub, Saw, Triangle, Square, Extra) and the SUB oscillator's function.

Modulation Sources and Intensity

Details modulation sources for Pitch and Wave (LFO, Env) and how intensity is adjusted via MOD controls.

Glide (Portamento) Settings

Describes how to set glide time and curve (linear/logarithmic) using MISC button 4 and MENU Additional.

Advanced Oscillator Features

Oscillator Synchronization

Explains how to synchronize VCO2 and VCO3 to VCO1 for classic sync sounds, noting DCO-mode limitations.

Frequency Modulation (FM)

Details using VCO3 to modulate VCO1/VCO2 frequency, specifying sources and intensity, and DCO-mode limitations.

Oscillator Level Mixing

Describes using LEVEL controls to adjust the volume levels of the individual VCOs.

Filter Section

12dB Multi-Mode Filter (VCF 1)

Details the multi-mode filter (LP, BP, HP) and its controls like LP/BP/HP for mode selection.

24dB Lowpass Filter (VCF 2)

Describes the dedicated lowpass filter (SSI2144) with a steeper slope and its controls.

Filter Routing and Global Cutoff

Explains switching between serial/parallel routing (PAR/SER) and using GLOBAL CUTOFF for simultaneous frequency control.

Filter Modulation and Output

Filter Modulation and Key Follow

Details filter modulation sources (LFO, Env) and key follow intensities, with assignment options in menu settings.

Filter Output and Stereo Imaging

Explains summing filter outputs (MIX) and spreading them in the stereo panorama using the STEREO button.

Envelopes and LFOs

ADSR Envelopes

Describes the three ADSR envelopes with loop functions, their assignments (VCA, Filters), and parameter controls.

Low Frequency Oscillators (LFOs)

Details LFO1 and LFO2 features, including rate, waveform selection (blend, sample&hold), and reset/1-shot modes.

VCA and LFO Synchronization

Voltage Controlled Amplifier (VCA)

Explains VCA control typically by ENV 1 and possible additional modulation using MOD AMT.

LFO Synchronization Options

Lists sync values for LFO1 and LFO2, and options for LFO2 modulating LFO1.

Effects and Master Output

Effects Processing

Details available effects (Reverb, Delay, Chorus), type selection, and blending wet/dry signals with DRY MIX WET.

Master Output Level

Explains the function of the MASTER OUT control for adjusting the overall output level.

Sequencer Functions

Sequencer Overview

Introduces the sequencer's capability to store 240 patterns, each up to 16 steps, for monophonic or polyphonic entry.

Sequence Selection and Storing

Guides on selecting, storing, and programming sequences, including bank management and hints for avoiding issues.

Sequence Input and Playback

Details how to program sequences step-by-step using a MIDI keyboard, including note/chord entry and pauses.

Arpeggiator and Tempo Settings

Arpeggiator Operation

Explains how to activate the arpeggiator, its modes (Up, Down, Up/Down), and the hold-function.

Shuffle and Tempo Control

Describes setting tempo (BPM) and shuffle values for the sequencer and arpeggiator, with hints for synchronization.

Arpeggio Transposition

Details how to transpose an arpeggio with the hold-function enabled using a connected MIDI keyboard.

MIDI and Data Transfer

MIDI Settings Configuration

Covers adjustments for MIDI send/receive channels, clock source (Int/Ext), and controller changes.

Data Transfer via USB

Explains transmitting/receiving presets, sequences, and updating firmware via the USB PC port.

Rear Panel Connections

Power and USB Connectivity

Details power input, USB PC port for data transfer, and USB MIDI controller connection.

MIDI and Audio Outputs

Explains MIDI IN, OUT, THRU ports, headphone output, and main audio outputs for connecting to external gear.

MIDI Implementation Chart

MIDI Control Change (CC) Parameters

Lists MIDI Control Change (CC) numbers and their corresponding synthesizer parameters, along with value ranges.

MIDI Implementation Details

Additional MIDI CC Parameters

Lists further MIDI Control Change (CC) numbers and their corresponding synthesizer parameters, including envelopes and effects.

MIDI Data Transmission Settings

Explains how MIDI data sending/receiving is enabled via MENU MIDI, including channel change and program change settings.

Compliance Information

European Compliance Standards

States compliance with harmonized European standards and EH-directive for electromagnetic compatibility.

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