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Behringer PRO-1 User Manual

Behringer PRO-1
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Behringer Pro-1
Operation Guide
An Alternative Manual
Revision 1.01, December 2021
by Simon Taylor
www.coolcatukes.com

Table of Contents

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Behringer PRO-1 Specifications

General IconGeneral
TypeAnalog
PolyphonyMonophonic
Oscillators2 VCOs
LFO1 LFO
SequencerNo
ArpeggiatorNo
CV/GateYes
USBYes
WaveformsPulse
KeyboardNo
MIDIIn/Out/Thru
Filter24 dB/oct 4-Pole Low-Pass Filter

Summary

Introduction To This Guide

Why This Guide?

Explains the purpose and scope of the operation guide for the Behringer Pro-1.

Conventions & Naming

Details naming conventions and abbreviations used throughout the manual for clarity.

Safety Instructions

Provides essential safety information and precautions for operating the synthesiser.

About the Synthesisers

The Sequential Circuits Pro-One

Introduces the original Pro-One synthesiser, its history, and its core features.

The Behringer Pro-1

Describes the Behringer Pro-1 as a clone, highlighting its relationship to the original.

Introduction to Pro-1 Operation

Connections

Details the power and audio output connections for the Behringer Pro-1.

Playing the Pro-1

Setting Up Controls

Guides on setting initial control positions for playing the Pro-1 for the first time.

Using Modulation Wheels

Explains the function and use of the Pitch and Modulation wheels on the keyboard.

Keyboard Controls

Arpeggiator and Sequencer

Introduces the arpeggiator and sequencer as performance tools and memory devices.

Front Panel Overview

The Voice

Explains the Pro-1's voice as audio generation, modification, and control, detailing signal flow.

Voice Signal Flow Diagram

Illustrates the path of audio signals through the synthesiser's voice modules.

Mode Selector Functions

GATE Indicator

Describes the LED indicator for GATE status and its role in envelope generation.

RETRIG/NORMAL Mode

Explains the switch for envelope generator triggering modes (low-note priority vs. retrigger).

Normal / REPEAT/EXT Mode

Details the switch for repeating envelopes or using external gate signals.

Mode Selector Switches

DRONE and POLY / MONO

Explains DRONE for sustain, and POLY/MONO for voice allocation.

Arpeggiator Functionality

Covers arpeggiation modes and latching features.

Sequencer Operation

Recording Sequences

Guides on recording themes, riffs, and bass lines using the 64-note sequencer.

Playing and Looping

Explains how to play recorded sequences and the looping function.

Oscillator A Controls

Wave Shape Controls

Covers Frequency, Octave, Sawtooth, Pulse Shape, and Pulse Width controls.

SYNC Switch

Forces Oscillator A to follow Oscillator B in hard synchronisation for unique timbres.

Oscillator B Controls

Shape and Frequency Switches

Details Triangle Shape, NORMAL-LO FREQ, and OFF-KYBD switches.

Glide Module

Glide Controls

Explains Rate Knob and Auto/Normal switch for glide functionality.

Mixer Section

Oscillator and Noise Level Controls

Sets levels for OSC A, OSC B, and Noise/Ext inputs to the filter.

Filter Controls

Cutoff and Resonance Knobs

Controls filter cutoff frequency and resonance amount.

Filter Envelope Generator

Envelope Shaping Controls

Covers Amount, Keyboard Amount, Attack, and Decay knobs for timbre contour.

Amplifier, LFO, and Modulation Controls

Amplifier ADSR Controls

Shape the envelope applied to the VCA using ADSR knobs.

LFO Controls

Covers LFO Frequency Knob and Wave Shape Switches for modulation.

Modulation Sources and Destinations

Explains the three modulation sources and five destinations for expressive sound shaping.

Modulation Routing

FIL ENV, OSC B, & LFO AMOUNT Knobs

Controls the amount of modulation mixed into WHEEL or DIRECT paths.

FIL ENV, OSC B, & LFO ROUTE Switches

Assigns modulation sources to WHEEL or DIRECT paths.

Destination Modulation Path Selection

Selects the modulation path for each destination parameter.

Top Panel Connections

MOD WH CV <

Input for Mod wheel CV, controlling pitch or other parameters.

OSC CV (CV In) <

Input for controlling oscillator and filter frequency at 1V/octave.

GATE/CLK (Gate Clock In) <

External gate or clock input for envelope gating or sequencer/arpeggiator clocking.

Top Panel Inputs and Outputs

LFO CV < and LFO OUT >

LFO rate CV input and LFO OUT CV output for modulation.

KYBD CV > (Cv Out)

Keyboard CV output for controlling external equipment.

GATE > (Gate Out)

Gate output signal indicating note on/off status.

EXT < (Audio In)

External audio input for processing through filter and amplifier.

Audio and Headphone Outputs

PHONES >

Stereo 3.5mm headphone socket for monitoring.

AUDIO OUT >

Mono 3.5mm line level output for mixers or amplifiers.

Top Panel Electrical Reference

Input/Output Specifications

Lists electrical specifications for all top panel jacks.

Back Panel Connections

Power, MIDI, USB, and DIP Switches

Describes the rear panel connections including power, MIDI, and USB.

In Case Of Difficulty

Troubleshooting Power and Sound Issues

Guides on diagnosing and resolving power, no sound, or hum problems.

Sequence and Arpeggiation Troubleshooting

Addresses issues with recording or playing sequences and arpeggios.

Routine Maintenance

Cleaning Instructions

Provides safe instructions for cleaning the synthesiser's external surfaces.

Appendices & Reference

Selected Bibliography

Lists recommended books for further reading on synthesis and music.

Acknowledgements

Credits sources for images and text used in the manual.

Physical Specifications

Details power, weight, dimensions, and operating temperature of the Pro-1.

Glossary / Notes

Defines common terms and abbreviations used in the manual.

Product Links

Manufacturer and Amazon Links

Provides links to product manuals and purchase options for the Pro-1 and accessories.

Revisions To This Guide

Revision History

Lists the changes and dates for different versions of the operation guide.

Factory Patches

Solo Trumpet Patch

Details the control settings for the "Solo Trumpet" sound patch.

Frequency Modulation Bells Patch

Details control settings for the "Frequency Modulation Bells" sound patch.

Filter as Oscillator

Filter Control Settings

Explains how to tune the filter to act as an oscillator for unique sounds.

Phunko Basso

Bass Patch Settings

Provides control settings for the "Phunko Basso" sound patch.

Grunge Guitar

Guitar Sound Settings

Details settings for achieving a "Grunge Guitar" sound effect.

Bass Clav

Clavinet Sound Settings

Provides control settings for the "Bass Clav" sound patch.

Percussive Organ

Organ Sound Settings

Details settings for a percussive organ sound with vibrato.

Single-Engine Crop Duster

Duster Sound Settings

Provides control settings for a "Single-Engine Crop Duster" sound patch.

Sync Sound

Sync Sound Settings

Details settings for achieving a "Sync" sound, possibly involving oscillator sync.

Clarinet Emulation

Clarinet Sound Settings

Provides settings for a "Clarinet" emulation sound.

"Delayed" Envelope Effect

Envelope Generator Settings

Explains using the LFO as an envelope generator, reset by keyboard trigger.

Bass Synth Sustain

Synth Sustain Settings

Details settings for a "Bass Synth Sustain" sound, adjusting oscillator pitch.

Psuedo Ring Mod Bells

Ring Mod Bells Settings

Provides settings for a "Pseudo Ring Mod Bells" sound, using oscillator sync.

Dynamo Sound

Dynamo Sound Settings

Details settings for a "Dynamo" sound, including arpeggiator and envelope adjustments.

Arpeggiating Fifths

Fifths Arpeggiation Settings

Details settings for arpeggiating fifths, controlling LFO and filter modulation.

Panel Blanks

Blank Patch Sheets

Provides blank panel diagrams for recording custom patches.

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