MXR M300 Users Manual

M300 REVERB

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 oor

• Trails Bypass mode lets eect
ring out after turning the pedal o

• Expression pedal jack for foot
control of all knob settings

• Stereo In/Out capability when

using TRS cables

CONTROLS

EXP output allows blending

1

of two setting congurations
with an expression pedal

(not included)

FOOTSWITCH toggles eect 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 eect

5

(or octave blend for PAD setting)
and selects reverb style

MIX knob sets reverb signal level

6

POWER

The MXR Reverb requires 9 volts
(240mA) and can be powered

by the included Dunlop

ECB003/ECB003EU adapter
or the Iso-Brick™ Power Supply.
This pedal cannot be powered
by a battery.

DIRECTIONS

• Run a standard instrument cable
from your guitar to the M300’s
INPUT jack and another cable
from the M300’s OUTPUT jack to
your amplier. If using an expres­sion pedal, run a TRS cable from
the M300’s EXP jack to your
expression pedal.

• Start with all controls at
12 o’clock.

• Turn the eect on by depressing
the footswitch.

• Push in the TONE control to

6

cycle through reverb styles,
indicated by red or green LEDs
in the LED column. See REVERB
STYLES section for a description
of each style.

SAMPLE SETTINGS

MEMPHIS GRITS TRANCE SYLVANIABIG KAHUNA

• Rotate DECAY control clock­wise to increase length of reverb
decay or counterclockwise to
decrease it.

• Rotate TONE control clockwise
for a brighter reverb sound or
counterclockwise for a warmer
reverb sound.

• Rotate the MIX control clockwise
to increase reverb signal level
or counterclockwise to decrease
it. Fully clockwise results in an
equal 50/50 mix of reverb and
dry signals.

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.

REVERB STYLES

• PLATE: Classic studio plate
reverb. Indicated by green LED.

• SPRING: Classic guitar amp
reverb. Indicated by red LED.

• EPIC: Multiple interconnected
modulated delays. Indicated by
green LED.

• MOD: Modulated studio plate
reverb. Indicated by red LED.

• ROOM: Simulates small room,
early reection slap-back sound.
Indicated by green LED.

• PAD: Blend of octave down
and octave up synth sounds
with reverb eect. Indicated by
red LED. Use TONE control to
blend—fully counterclockwise
provides one octave down and
fully clockwise provides one
octave up. The 12 o’clock
position provides both an octave
up and an octave down. Use
DECAY control to set synth pad
and reverb decay.

DIAGRAM A

MONOSTEREO

USING AN EXPRESSION PEDAL

An expression pedal such as the
DVP4 Volume (XL)
the DVP3 Volume (X)™ Pedal can be

used to toggle and sweep between

two dierent setting congurations:

• Connect an expression pedal to
M300’s EXP jack using a TRS
cable, and set rocker to its heel­down position. Adjust
knobs as desired. Note:
Expression pedal cannot be
used to change reverb style.

• Move rocker to its toe-down
position. Adjust knobs
as desired to a dierent
setting conguration.

• Moving rocker back and forth
will move eect sound smoothly
between those two settings.

STEREO MODE

The M300 can be run in either
Mono (default) or Stereo modes,
selectable via internal switch,
which determines tip/ring input
connection. For a stereo setup,
run a TRS splitter cable to the
M300’s INPUT jack and another
from the M300’s OUTPUT jack to
your amplier. Next, set internal
STEREO/MONO switch to its LEFT
position (see Diagram A). Note:
When M300 is bypassed, output
ring connection will only receive

™

Mini Pedal or

signal if M300 is set to Trails
Bypass mode (see below).

ADVANCED FUNCTIONS –
STARTUP MODE

Additional functions can be

accessed by entering Startup
Mode. Advanced function settings
will remain in selected state, even
after pedal is powered o. Re-enter
Startup Mode and follow relevant
steps to change settings again.

1. Disconnect M300 from power

supply and set DECAY and MIX

controls to 12 o’clock.

2. Enter Startup Mode by pushing

down and holding TONE knob

while connecting M300 to its
power source.

TRAILS BYPASS MODE

The M300 uses a “true bypass”
relay by default, shutting o eect
and hardwire bypassing the tip

connection signal as soon as you

turn the pedal o (ring connec­tion uses buered bypass). The
M300 can also be operated using
Trails Bypass mode, which uses
a buered bypass and allows the
reverb eect to ring out even after
you turn the pedal o.

1. After entering Startup Mode,
release TONE knob. LED column
will now reect bypass mode

status. Green LEDs indicate
factory-set True Relay Bypass
mode, while red LEDs indicate
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 amplier.

1. After entering Startup Mode,
observe LED column for mode
status. Green LEDs indicate
factory-set Dry mode. Red LEDs
indicate Wet mode.

2. While still pushing down on
TONE knob, rotate DECAY or
MIX knob clockwise past 12
o’clock to select Wet mode,
indicated by red LEDs. To return
to Dry mode, rotate DECAY or
MIX knob counterclockwise past
12 o’clock. Green LEDs will light
up and red LEDs will turn o.

3. Release TONE knob to save your
selection and depress footswitch
to exit Startup Mode and resume
normal operation.

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SPECIFICATIONS

Input Impedance 1 MΩ
Output Impedance 100 Ω

Max Input +5 dBV
Max Output Level +5 dBV

Noise Floor -107 dBV
Sampling Rate 96 kHz

Current Draw 240 mA
Power Supply 9 volts DC

Note: This equipment has been
tested and found to comply with

the limits for a Class B digital
device, pursuant to Part 15 of the
FCC Rules. These limits are
designed to provide reasonable
protection against harmful interfer­ence in a residential installation.
This equipment generates, uses
and can radiate radio frequency
energy and, if not installed and
used in accordance with the
instructions, may cause harmful
interference to radio commu­nications. However, there is no
guarantee that interference will not
occur in a particular installation. If
this equipment does cause harmful
interference to radio or television
reception, which can be determined
by turning the equipment o and
on, the user is encouraged to try to
correct the interference by one or
more of the following measures:

• Reorient or relocate the

receiving antenna.

• Increase the separation between

the equipment and receiver.

• Connect the equipment into

an outlet on a circuit dierent
from that to which the receiver
is connected.

• Consult the dealer or an experi-

enced radio/TV technician
for help.

This device complies with Part 15
of the FCC Rules. Operation is
subject to the following two condi­tions: (1) This device may not cause
harmful interference, and (2) this
device must accept any interfer­ence received, including interfer­ence that may cause undesired
operation.

Unauthorized changes or modica­tions to this product could void
the user’s authority to operate the
equipment.

DUNLOP MANUFACTURING, INC.

P.O. BOX 846 BENICIA, CA 94510 U.S.A.

TEL: [phone] FAX: [phone]

92503016638REVD