Digital FX Level control | Marshall Amplification MG250DFX, MG50DFX

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14. Digital FX LEVEL control

This controls how much of the chosen effect gets mixed in with your unaffected (dry) guitar tone. Want to hear more of the DFX you’ve just selected? Then simply turn this control up!

Important Footswitch Note: Using the supplied two-way footswitch, you can switch the selected DFX on/off.

15. REVERB LEVEL control

This control lets you add a lush Reverb to your sound – from a subtle hint to cavernous and all points in-between. Designed by our in-house digital experts, this custom designed Marshall Reverb is highly musical and always sounds natural – it never gets harsh or ‘fake’ sounding.

Important Footswitch Note: The supplied footswitch does NOT switch the Reverb on/off.

16. MASTER VOLUME control

18.EMULATED LINE OUT & HEADPHONES jack

This jack can be used as either an Emulated Line Out or as a Headphone output. This means you can use this socket to connect your amp directly to your multi-track recording machine and you’ll get a great, speaker emulated guitar sound direct to disk or tape. Alternatively you can plug your headphones in here for a killer, speaker-emulated sound!

TIP: How to practise or record in ‘silence’: The Clean Channel GAIN control (2) and the Overdrive Channel VOLUME control (12) will control the level of the headphone and line out.

The speaker output can be adjusted independently using the Master VOLUME control(16). Setting the Master VOLUME control(16) to zero will allow silent recording or practice.

MG50DFX Rear Panel Features

MG250DFX Rear Panel Features

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As its name suggests, the Master Volume control determines the overall volume of your amplifier. So after setting-up the relative volume of Channels 1 & 2 the overall level can be adjusted without affecting your all-important Clean/Overdrive balance.

17.FDD (Frequency Dependent Damping) switch

Marshall’s proprietary FDD circuit accurately mimics the way an all-valve amplifier interacts with the loudspeaker(s) and adds a width and depth to your sound which has been unachievable in an affordable solid-state amplifier... until now! To engage FDD simply press this switch in.

19. POWER Switch & LED

The power switch turns your amplifier on and off. The LED will be lit when your amplifier is on and will not be lit when the amplifier is switched off.

Note: Before connecting to the mains electricity supply, always ensure that your amplifier is compatible with your electricity supply, as detailed on the rear panel.

Please ensure the amplifier is switched off and unplugged from the mains electricity supply before being moved.

1. MAINS INPUT Connector

The MG amplifier is provided with a detachable mains (power) lead which is connected here. The specific mains input voltage rating that your amplifier requires is clearly indicated on the back panel. Before connecting to the mains for the first time please make sure that your amplifier is compatible with your electricity supply.

2. LOUDSPEAKER Output(s)

The internal loudspeaker(s) connect here – one in the case of the MG50DFX and two in the case of the MG250DFX.

Always use a non-screened Marshall approved speaker lead when connecting an extension cabinet to these units.

3. CD IN jack

If you want to jam to your favourite CD or tape, merely connect the headphone output of your CD or tape player here, adjust the CD /tape player’s volume to match that of your guitar and you’ve got the perfect ‘play-along’ practice system.

4. FX RETURN(s)

This is where you connect the output of the effects processor you are using in the effects loop. As the MG250DFX is a stereo amplifier it offers two FX Return jacks – LEFT and RIGHT. This allows you to take full advantage of a stereo effects processor. If, however, the effects unit you are using only has a single, mono output then use the LEFT (MONO) FX Return.

5. FX SEND

If you want to use an external effects processor in your amp’s built-in Series effects loop, this is the jack you connect to the INPUT of the unit you are using. For optimum performance, the FX loop is best suited for use with a rack or multi-effects processor which has a manual adjustment for INPUT SIGNAL LEVEL.

6. FOOTSWITCH

Connect the supplied two-way footswitch here. Its left button (marked Channel) enables you to change channels and its right button (marked DFX) allows you to switch the DFX Section on/off.

Important Footswitch Note: The supplied footswitch does NOT switch the Reverb on/off.

MG50DFX, MG250DFX specifications

Marshall Amplification has long been synonymous with legendary guitar tone, and the MG series, particularly the MG250DFX and MG50DFX, embodies this tradition while incorporating modern technologies for today's musicians. Both models are part of Marshall's solid-state amplifier line, offering reliability, versatility, and impressive sound quality tailored for all skill levels.

The MG250DFX is a powerful 250-watt amplifier head, perfect for larger venues and stage performances. It features four channels to cover a diverse range of tones: clean, crunch, overdrive, and a second overdrive. This allows guitarists to switch easily between sparkling clean sounds and high-gain distorted tones without missing a beat. Essential to the MG250DFX is its Digital FX processor, which provides a wide array of effects, including reverb, delay, and chorus, allowing musicians to enhance their sound in real-time.

On the other hand, the MG50DFX is a more compact option, boasting 50 watts of power, making it suitable for practice environments, smaller gigs, and home use. Like its larger counterpart, it features four channels for versatile tone shaping. Both models include a built-in speaker emulator, which ensures that players can achieve great tone even when using the headphone output or direct outputs for recording.

An important characteristic of both amplifiers is their user-friendly interface, featuring intuitive controls that allow musicians to dial in their perfect sound quickly. The MG series incorporates Marshall’s unique tone shaping circuit that gives users the ability to sculpt their tone with precision.

The MG250DFX and MG50DFX both come equipped with the innovative M-Gain system, which optimizes gain structure to improve response and enhance tonal clarity. Additionally, these amplifiers are designed to be highly portable, with lightweight construction and robust build quality, ensuring they can withstand the rigors of transport.

In summary, the Marshall MG250DFX and MG50DFX amplifiers represent a fusion of classic Marshall tone and modern technology, catering to a wide range of playing styles and preferences. Whether on stage or in the studio, these amplifiers deliver exceptional sound that bolsters a guitarist's performance. With their multiple channels, built-in effects, and versatile controls, they are powerful tools for any musician seeking to expand their sonic palette.