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Marshall Amplification MG50 GFX

Marshall Amplification MG50 GFX
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OWNER’S MANUAL
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Marshall Amplification MG50 GFX Specifications

General IconGeneral
TypeSolid State
Power Output50 Watts
Speaker Size12 inches
EQ ControlsBass, Middle, Treble
Digital EffectsYes
Digital DelayYes
Headphone OutputYes
Channels2
ControlsGain, Volume, Bass, Middle, Treble, Reverb
Inputs1 x 1/4" Instrument
Outputs1 x 1/4" Line Out
FootswitchOptional
SpeakerCustom 12" speaker

Summary

Introduction

Important Safety Instructions

Crucial safety guidelines and warnings for operating the amplifier, including mains connection and setup.

Compliance Statement

MG10 Front Panel Controls

Input Jack

Connects your guitar. Use a quality, screened cable for best results.

Clean Channel Volume

Adjusts the volume for the Clean Channel.

Channel Switch

Toggles between Clean (green) and Overdrive (red) channels.

Gain Control

Sets the pre-amp signal level, controlling distortion amount.

Overdrive Channel Volume

Adjusts the volume for the Overdrive channel.

Contour Control

Modifies the mid-range frequency (body) for tone shaping.

Headphone Out

For silent practice; connecting headphones mutes the internal speaker.

MP3 In

Connects external audio players for practice sessions.

Mains Power Switch

Turns the amplifier on and off.

MG15 FX & MG30 FX Front Panel Controls

Input Jack Socket

Connects your guitar. Use a screened cable for noise reduction.

Gain Control

Controls pre-amp signal level and distortion amount.

CleanCrunch Switch

Selects between Clean (green) and Crunch (red) channels.

Bass Control

Adds warmth and low-end depth to the sound.

OD-1 OD-2 Switch

Selects between OD-1 (green) and OD-2 (red) channels.

Middle Control

Varies the amount of 'body' in your sound.

Treble Control

Adjusts brightness and tone edge; lower values soften sound.

Reverb Control

Adds digital reverb (Studio/Spring) to channels, controlling amount.

Volume Control

Controls the volume of the selected channel.

Tap (Manual) Switch

Matches delay FX time to presses; switches between manual/preset modes.

FX Control

Selects and adjusts digital effects like Chorus, Phaser, Flanger, Delay.

Store Switch

Stores current amp settings into a channel for recall.

Master Control

Controls the overall master volume of the amplifier.

MP3 Line In Socket

Connects external audio players for practice.

Footcontroller Socket

Connects an optional footcontroller for enhanced control.

Headphone Socket

For silent practice; mutes internal speaker when used.

Power Switch

Turns the amplifier on and off.

MG15 FX & MG30 FX Overview

Channel Selection and Modes

Explains channel switching, and differences between Preset/Manual modes.

Preset and Manual Operation

Details how presets are stored and recalled in Preset mode, and manual mode.

Reverb, FX, and Delay Effects

Describes the types and controls for Reverb, FX, and Delay effects.

Tap Tempo and MP3 Line In

Guides on setting delay time and connecting audio players.

Headphones and Power Management

Usage of headphone socket and amplifier power functions.

Factory Settings Restore

Instructions to restore factory settings, warns about data loss.

MG50 FX Front Panel Controls

Input Jack Socket

Connects your guitar. Use a screened cable for noise reduction.

Gain Control

Controls pre-amp signal level and distortion amount.

CleanCrunch Switch

Selects between Clean (green) and Crunch (red) channels.

Bass Control

Adds warmth and low-end depth to your sound.

OD-1 OD-2 Switch

Selects between OD-1 (green) and OD-2 (red) channels.

Middle Control

Varies the amount of body in your sound.

Treble Control

Adjusts brightness and tone edge; lower values soften sound.

Rev Switch

Switches the reverb effect on and off.

Reverb Control

Adds digital reverb (Studio/Spring) to channels, controlling amount.

Volume Control

Controls the volume of the selected channel.

FX Switch

Switches the FX section (FX and Delay) on and off.

FX Control

Selects and adjusts digital effects: Chorus, Phaser, Flanger, Vibe, Octave.

Tap Switch

Matches delay FX time to presses; LED flashes at selected time.

Delay Control

Controls signal for selectable delay types: Hi-Fi, Tape, Multi, Reverse.

Ext FX Switch

Switches the external FX Loop on and off.

Master Control

Controls the master volume of the amplifier.

Damping (Manual) Switch

Switches power amp damping; holds for manual/preset mode.

Headphone Line Out Socket

3.5mm socket for headphones or line out.

Store Switch

Stores current amp settings into a channel for recall.

Power Switch

Turns the amplifier on and off.

MG50 FX Rear Panel Connections

Mains Input Connector

Connects the detachable mains lead. Check voltage rating.

Footcontroller Socket

Jack socket for connecting the optional footcontroller.

Loudspeaker Output(s) Socket

Connects internal or external speaker cabinet. Use non-screened cable.

MP3 Line In Socket

Connects external audio players for practice.

Return Socket

Connects to the output of an external effects processor.

Send Socket

Connects to the input of an external effects processor.

MG50 FX Overview: Channels and Effects

Channel Selection and Modes

Explains channel switching, and differences between Preset/Manual modes.

Preset and Manual Operation

Details how presets are stored and recalled in Preset mode, and manual mode.

Reverb, FX, and Delay Effects

Describes the types and controls for Reverb, FX, and Delay effects.

Tap Tempo and MP3 Line In

Guides on setting delay time and connecting audio players.

Headphones, Line Out, and Damping

Usage of headphone/line out sockets and power amp damping.

MG50 FX: FX Loop, Loudspeaker & Footcontroller

FX Loop Functionality

Details the FX Send/Return sockets for external effects processing.

Loudspeaker Connection Requirements

Guidance on connecting extension cabinets; use non-screened leads.

Power and Settings Reset

Information on power switch operation and factory reset procedure.

Footcontroller Basics

Introduction to the optional footcontroller and its basic functions.

Footcontroller Advanced Operation

Switch and Preset Storage

Storing front panel switches or amp presets to footswitch locations.

Display and Indicator Functions

Understanding the digital display and LED status for footcontroller.

Tuner Access and Operation

Accessing and using the built-in tuner via the footcontroller.

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