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Marshall Amplification JFX-1 - User Manual

Marshall Amplification JFX-1
13 pages
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U
S E R
M
A N U A L
Marshall Amplification plc,
Denbigh Road, Bletchley,
Milton Keynes, MK1 1DQ
England.
Tel (01908) 375411
Fax (01908) 376118
Whilst the information contained herein is correct at the time of publication: Due to
our constant improvement and development, Marshall Amplification plc reserve the right
to alter specifications without prior notice.
M0169 / 2 / 95
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Marshall Amplification JFX-1 Specifications

General IconGeneral
Inputs1 x 1/4" instrument input
Outputs2 x 1/4" (L/R)
MIDIIn/Out
Power Supply9V DC
TypeMulti-effects processor
EffectsDistortion, Chorus, Delay, Reverb

Summary

Section 1 - Connection Diagrams

Set-up A: With a Home; Recording Mixer

Illustrates connecting the JFX-1 to a home or recording mixer for audio routing and signal flow.

Set-up B: Stereo Rack System

Details the configuration for a stereo rack system, connecting the JFX-1 with other rack-mounted audio equipment.

Set-up C: With a Stereo or Mono combo or amp

Provides connection diagrams for integrating the JFX-1 with stereo or mono guitar amplifiers or combos.

Section 2 - Quick Reference Guide

2.1 - Selecting a Stored Pre-Set

Guides users on how to recall and select any of the stored pre-set programs on the JFX-1 unit.

2.2 - Editing Pre-Set Programs

Explains the process of entering edit mode to modify parameters of existing pre-set programs.

2.3 - Storing Altered Parameter Values

Details the procedure for saving modified program parameters, including options for overwriting or selecting new locations.

2.4 - Naming a Program

Describes how to rename custom programs, allowing for personalized identification and easier recall.

Section 3 - Front Panel

Front Panel Controls

Identifies and explains the function of each control knob, switch, and LED on the JFX-1's front interface.

3.1 - Rear Panel

Rear Panel Ports

Details the various input and output jacks located on the rear panel for connectivity and system integration.

Section 4 - The Mixer Section

4.1 - Setting the Output Levels

Explains how to adjust the output levels for both the direct and effected signals for optimal mixing.

Section 5 - Chorus; Flange Mode

5.1 - Chorus;Flange Types

Describes the different types of Chorus and Flanger effects available, including Mono, Stereo, and 6 Voice modes.

5.2 - Chorus Parameters

Details the specific parameters available for editing Chorus and Flanger effects, such as Speed, Depth, Resonance, and Filter.

5.3 - Creating a Chorus;Flange program

Provides a step-by-step guide on how to create and program custom Chorus or Flanger effects.

Section 6 - Multi-Tap Mode

6.1 Multi-Tap Parameters

Explains the parameters for the Multi-Tap effect, including Level, Pan, Modulation, and Feedback for multiple voices.

6.2 Creating a Multi-Tap Program

Guides users through the process of creating and programming custom Multi-Tap delay effects.

Section 7 - Delay Only Mode

7.1 - Delay types

Details the three distinct delay types available: Mono, Stereo, and Ping Pong, and their characteristics.

7.2 - Delay Parameters

Explains the parameters for delay effects, including Delay Description, Time, and Feedback adjustments.

7.3 - Creating a Delay program

Provides instructions on how to create and program custom delay effects, covering different modes and parameters.

Section 8 - Reverb

8.1 - Reverb Types

Describes the four types of reverb simulations: Room, Plate, Hall, and Large Hall, and their sonic qualities.

8.2 - Reverb Characters

Explains the four programmable reverb characters (Dark, Warm, Standard, Bright) and their impact on sound.

8.3 - Reverb Parameters

Details the adjustable reverb parameters, including Decay time and Decay shaping for fine-tuning the effect.

8.4 - Creating a Reverb Program

Guides users through the process of creating and programming custom reverb effects.

Section 9 - Multi-Effect Mode

9.1 - Multi-Effect Individual features

Explains the individual components and features within the Multi-Effect mode, including Mix, Chorus, Delay, and Reverb sections.

9.2 - Multi-Effect Parameters

Details the specific parameters for Chorus, Delay, and Reverb when used within the Multi-Effect mode.

9.3 - Creating a Multi-Effect Program

Provides a step-by-step guide on creating and programming custom programs combining multiple effects.

Section 10 - Naming an Edited Program

Section 11 - Storing a Program

Section 12 - The System Menu

12.1 - The Remote Jack

Explains the function and programming of the remote jack for amp channel switching or voicing control.

12.2 - MIDI Operation and Functions

Introduces MIDI concepts and how the JFX-1 integrates with other MIDI devices for control and communication.

12.4 - Input and Output Mapping

Details how to map MIDI commands to internal program numbers and vice versa for external control.

12.5 - MIDI Controllers

Explains assigning external MIDI controllers (e.g., expression pedal) to adjust program parameters.

12.6 - MIDI Controller Parameters for each mode

Lists the specific parameters available for MIDI control assignment within each effect mode.

12.7 - System Exclusive Back-up

Guides on backing up programmed data or transferring it between JFX-1 units using System Exclusive dumps.

12.8 - Battery Level

Describes how to check the internal battery level and what to do when it becomes low.

Section 13 - Re-Initialising the JFX-1

Section 15 - Factory Pre-Sets

Section 16 - MIDI Implementation Chart