MG15 & MG15R FRONT PANEL FUNCTIONS
1. INPUT JACK SOCKET
Jack input for your guitar. Use a good
quality guitar cable (i.e. one that’s
screened/shielded) to help prevent noise,
interference and unwanted feedback.
2. VOLUME CONTROL - CLEAN CHANNEL
This control adjusts the volume of the
Clean Channel.
3. CHANNEL SWITCH
This switch allows you to change between
the amp’s two channels, Clean and
Overdrive, via the front panel. When
the LED is green, the Clean channel
is engaged. When the LED is red, the
Overdrive channel is engaged.
4. GAIN CONTROL - OVERDRIVE CHANNEL
This control sets the operating level of the
pre-amp. Simply turn up the Gain control
until the required amount of distortion is
achieved.
5. VOLUME CONTROL - OVERDRIVE
CHANNEL
This control adjusts the volume of the
Overdrive channel. The louder this
channel is set, the ‘looser’ the amplifier
will sound and feel.
6. BASS CONTROL
Turning the Bass control will effect the
amount of low frequencies or bottom end
in your guitar tone. Rotating this clockwise
will increase the amount of lower tones
creating deeper and thicker sounds.
Turning this control anti-clockwise will
decrease the bass frequencies in your
tone reducing any bottom end thud.
7. MIDDLE CONTROL
Adjusting the middle frequencies will
vary the amount of body to your sound.
Attenuating (decreasing) the middle by
turning this control anticlockwise will yield
a more hollow sound with the bass and
treble frequencies appearing to be more
accentuated. Conversely, increasing the
middle will add body to the sound.
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8. TREBLE CONTROL
By adjusting the Treble control you can
add or take away the higher frequencies in
your guitar tone. By increasing the amount
of treble you will make your tone brighter,
ideal for more percussive playing styles.
9. REVERB CONTROL (MG15R ONLY)
This control lets you add a lush reverb to
the selected channel, from a subtle hint to
cavernous and all points in-between.
10. MP3 LINE IN SOCKET
If you want to jam to your favourite MP3,
CD or tape track, connect the line out or
headphone output of your player here,
adjust the volume of your player to match
that of your guitar and you’ve got the
perfect ‘play-along’ practice system.
11. HEADPHONE SOCKET
For use when silent practice is the order
of the day. Connection of headphones
will automatically mute the internal
speaker.
12. POWER SWITCH
The power switch turns your amplifier on
and off. The Channel switch will light up
when your amplifier is turned on and will
not be lit when the amplifier is switched
off.
Note: The specific mains input voltage rating
that your amplifier has been built for is shown
on the back panel. Before connecting to
the mains electricity supply, always ensure
that your amplifier is compatible with your
electricity supply. If you have any doubt,
please get advice from a qualified technician.
Your Marshall dealer will help you in this
respect.
Please ensure the amplifier is switched off and
unplugged from the mains electricity supply
before being moved.
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