mxr M300 User Manual

M300 REVERB

DESCRIPTION

• Six meticulously crafted reverbs
in one pedal
• Audiophile quality analog and
digital audio paths
• Dry path is 100% analog
• Studio-grade low noise floor
• Relay true bypass and delay
trails modes
• Expression pedal jack for foot
control of all knob settings
• Stereo In/Out capability when
using TRS cables

CONTROLS

M300 REVERB
EXP output allows blending
1
of two setting configurations
with an expression pedal (not
included)
FOOTSWITCH toggles effect on/
2
bypass (blue LED indicates on)
LED column indicates selected
3
reverb style
DECAY knob sets length of
4
reverb decay
TONE knob shapes EQ of effect
5
(or octave blend for PAD setting)
and selects reverb style
MIX knob sets reverb signal level
6

DIRECTIONS

• Run a standard instrument cable
from your guitar to the M300's

POWER

INPUT jack and another cable
The MXR Reverb requires 9 volts
from the M300's OUTPUT jack to
(240mA) and can be powered by
your amplifier. If using an expres-
the included Dunlop ECB003/
sion pedal, run a TRS cable from
ECB003E adapter or the Iso-Brick
™
the M300's EXP jack to your
Power Supply. Cannot be powered
expression pedal.
by a battery.
• Start with all controls at
12 o'clock.
• Turn the effect on by depressing
the footswitch.
• Push in the TONE control to
cycle through reverb styles,
6
indicated by red or green LEDs
in the LED column. See REVERB
STYLES section for a description
of each style.

SAMPLE SETTINGS

MEMPHIS GRITS BIG KAHUNA

REVERB STYLES

• PLATE: Classic studio plate
• Rotate DECAY control clock-
wise to increase length of reverb reverb. Indicated by green LED.
decay or counterclockwise to
• SPRING: Classic guitar amp
decrease it.
reverb. Indicated by red LED.
• Rotate TONE control clockwise
• EPIC: Multiple interconnected
for a brighter reverb sound or
modulated delays. Indicated by
counterclockwise for a warmer
green LED.
reverb sound.
• MOD: Modulated studio plate
• Rotate the MIX control clockwise
reverb. Indicated by red LED.
to increase reverb signal level
or counterclockwise to decrease
• ROOM: Simulates small room,
it. Fully clockwise results in an
early reflection slap-back sound.
equal 50/50 mix of reverb and
Indicated by green LED.
dry signals.
• PAD: Blend of octave down and
octave up synth sounds with
reverb effect. Indicated by red
DIAGRAM A
LED. Use TONE control to
blend—fully counterclockwise
provides one octave down and
fully clockwise provides one
STEREO MONO
octave up. The 12 o'clock
position provides both an octave
up and an octave down. Use
TRANCE SYLVANIA
DECAY control to set synth pad
and reverb decay.

USING AN EXPRESSION PEDAL

ADVANCED FUNCTIONS –
STARTUP MODE
An expression pedal such as the
Additional functions can be
DVP4 Volume (XL) Mini Pedal or
™
accessed by entering Startup
the DVP3 Volume (X) ™ Pedal can be
Mode. Advanced function settings
used to toggle and sweep between
will remain in selected state, even
two different setting configurations:
after pedal is powered off. Simply
• Connect an expression pedal to re-enter Startup Mode and follow
the M300's EXP jack using a TRS the relevant steps to change the
cable, and set the rocker to its settings again.
heel-down position. Adjust
1. Disconnect the M300 from
knobs as desired. Note:
power supply and set DECAY
Expression pedal cannot be
and MIX controls to 12 o'clock.
used to change reverb style.
2. Enter Startup Mode by pushing
• Move rocker to its toe-down
down and holding the TONE
position. Adjust knobs
knob while connecting the
as desired to a different
M300 to its power source.
setting configuration.
• Rocking the pedal back and

TRAILS BYPASS MODE

forth will move your reverb
The M300 normally operates
sound smoothly between
using a "true bypass" relay, which
those two settings.
shuts off the effect and hardwire
bypasses the signal as soon as you

MONO/STEREO INPUT

turn the pedal off. Alternatively, the
The M300 can be run in
M300 can be operated using Trails
either Mono or Stereo modes,
Bypass, which allows the reverb
selectable via internal switch,
effect to ring out even after you
which determines tip/ring input
turn the pedal off.
connection. For a stereo setup,
run a TRS splitter cable to the
1. After entering Startup Mode,
M300's INPUT jack and another
release TONE knob. LED will
from the M300's OUTPUT jack to
now reflect bypass mode status.
your amplifier. Next, set internal
Green indicates factory-set True
MONO/STEREO switch to its
Relay Bypass mode, while red
LEFT position (see Diagram A).
indicates Trails Bypass mode.
2. Press TONE knob to toggle
between modes.
3. Depress footswitch to exit
Startup Mode and resume
normal operation.

WET MODE

The M300 can be set so that
only the wet signal is sent to
your amplifier.
4. After entering Startup Mode,
observe LED for mode status.
Green LED indicates factory-set
Dry mode. Red LED indicates
Wet mode.
5. While still pushing down on
TONE knob, rotate DECAY or
MIX knob clockwise past 12
o'clock to select Wet mode,
indicated by red LED. To return
to Dry mode, rotate DECAY or
MIX knob counterclockwise past
12 o'clock. Green LED will light
up and red LED will turn off.
6. Release TONE knob to save your
selection and depress footswitch
to exit Startup Mode and resume
normal operation.
NOTE:
You may notice that the M300's
housing warms up while on. This is
completely normal. Take care when
operating in extremely high ambient
temperatures or direct sunlight.