Roland ME-25 User Manual
Owner’s Manual
Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY” (p. 13) and “IMPORTANT NOTES”
About COSM
(Composite Object Sound Modeling)
Composite Object Sound Modeling—or “COSM” for
short—is BOSS/Roland’s innovative and powerful
technology that’s used to digitally recreate the sound of
classic musical instruments and effects. COSM analyzes the
many factors that make up the original sound—including
its electrical and physical characteristics—and creates a
digital model that accurately reproduces the original.
Main Features
A large number of realistic preamp
modeling algorithms using COSM
The unit is equipped with a diverse array of COSM
amplifiers (ten types), ranging from clean sound
to high-gain sound.
Thanks to the Sound Library, you can
get just the right sound when you
need it
You can obtain the ideal sound simply by
selecting a category and a variation.
Super Stack feature
You can get the powerful sound of a large
stacked tube amp with just the simple press of a
button.
Phrase Loop feature
You can record and loop the playback of phrases
up to 38 seconds long.
Can be linked with a PC using USB
You can use the included SONAR LE to
accomplish digital recording and import new
sounds.
(p. 14).
These sections provide important information concerning the proper operation of the unit. Additionally, in order to
feel assured that you have gained a good grasp of every feature provided by your new unit, this manual should be
read in its entirety. The manual should be saved and kept on hand as a convenient reference.
Copyright © 2010 BOSS CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the written permission of BOSS
CORPORATION.
Making the Connections and
Turning the Power On .................................... 2
Let’s Play!......................................................... 3
Using the Sound Library................................. 4
Saving Sounds (Memory Write)..................... 4
Making Detailed Settings for Effects
(Edit Mode) ...................................................... 5
Adjusting the Noise Suppressor...................................................5
Effect Guide ..................................................................................6
COMP/FX (Compressor/Effects)....................................................6
OD/DS (Overdrive/Distortion).......................................................6
PREAMP .................................................................................................6
MODULATION .....................................................................................7
DELAY.....................................................................................................7
REVERB...................................................................................................8
PEDAL FX (Pedal Effects) .................................................................8
Convenient Functions .................................... 9
Tuning the Guitar (Tuner)........................................................9
Phrase Loop Play .....................................................................10
Checking the Values of Controls........................................ 10
Making the Settings for Control Operation ................... 10
Computer Connection Via USB ..........................................11
About the ME-25 Librarian ..........................................................11
SONAR and Other Digital Audio Workstations (DAW) ......11
Appendices.................................................... 12
Restoring the Factory Settings (Factory Reset).............12
Adjusting the Expression Pedal .........................................12
Signal Flow.................................................................................12
USING THE UNIT SAFELY.......................................................13
IMPORTANT NOTES ................................................................14
Main Specifications................................................................. 14
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Guitar a mp
PC
Inserting a plug into the PHONES
jack automatically activates the
built-in guitar amp simulator,
enabling you to enjoy a natural
guitar sound when using headphones.
When you’re connecting the ME-25’s
OUTPUT to a normal guitar amp,
disconnect the plug from the
PHONES jack.
Electric guitar
Digital audio player, etc.
Stereo headphones
PSA-series AC adaptor
(sold separately)
Connect a commercially
available anti-theft security
cable here.
http://www.kensington.com/
Digital recorder, etc.
PCS-31L cable, etc. (sold separately)
Be sure to use a BOSS
PSA-series adaptor. The use of
any other adaptor may cause
damage or malfunction.
You can mix stereo
audio from AUX IN
with the output.
The battery compartment is located on the underside.
About connecting the ME-25 to the other devices
When turning the unit upside-down, get a bunch of newspapers or magazines, and place them under
the four corners or at both ends to prevent damage to the buttons and controls. Also, you should try to
orient the unit so no buttons or controls get damaged.
When turning the unit upside-down, handle with care to avoid dropping it, or allowing it to fall or tip over.
Carefully follow the installation instructions for batteries, and make sure you observe the correct polarity.
Avoid using new batteries together with used ones. In addition, avoid mixing dierent types of batteries.
Remove the batteries whenever the unit is to remain unused for an extended period of time.
If a battery has leaked, use a soft piece of cloth or paper towel to wipe all remnants of the discharge
from the battery compartment. Then install new batteries. To avoid inammation of the skin, make sure
that none of the battery discharge gets onto your hands or skin. Exercise the utmost caution so that
none of the discharge gets near your eyes. Immediately rinse the aected area with running water if
any of the discharge has entered the eyes.
Never keep batteries together with metallic objects such as ballpoint pens, necklaces, hairpins, etc.
Expected battery life under continuous use: Carbon: 3 hours, Alkaline: 9 hours
These gures will vary depending on the actual conditions of use.
When operating on battery power only, the unit's indicator will become dim when battery power gets too low.
Replace the battery as soon as possible.
We recommend that you keep batteries installed in the unit even when you're powering it with the AC adaptor.
That way, you’ll be able to continue a performance even if the cord of the AC adaptor gets accidently disconnected from the unit.
When connecting, turn
down the volume all the
way on all equipment!
Connect the equipment
to the OUTPUT jack.
Insert the plug into the INPUT
jack to power up the ME-25.
Switch on the amp’s power last!
If used improperly, batteries may explode or leak and cause damage or injury. In the interest of safety,
please read and observe the following precautions.
The INPUT jack doubles as the power
switch. Power to the unit is turned on when
you plug into the INPUT jack; the power is
turned o when the cable is unplugged.
Insert the included batteries, taking care to orient them correctly.
Once the connections have been completed, turn on power to your various devices in
the order specied. By turning on devices in the wrong order, you risk causing
malfunction and/or damage to speakers and other devices.
To prevent malfunction and/or damage to speakers or other devices, always turn down
the volume, and turn o the power on all devices before making any connections.
Raise the amp volume only after turning on the power to all connected devices.
This unit is equipped with a protection circuit. A brief interval (a few seconds) after
power up is required before the unit will operate normally.
When connection cables with resistors are used, the volume level of equipment
connected to INPUT and AUX IN may be low. If this happens, use connection cables
that do not contain resistors.
The ME-25 has no built-in amp or speakers. To hear sounds, you’ll need to provide a guitar
amplier, stereo headphones, or other such equipment.
For mono output, connect a cable to the L/MONO jack only.
If you want to send the output from the PHONES jack to a recorder or other device, use a
connection cable such as the PCS-31L (available separately). The PCS-31L has a stereo phone
plug on one end, and two phone plugs on the other end. If, instead, you were to use an ordinary
guitar cable, only the sound of the L channel would be available in the output.
On the ME-25, the level of the signal input via AUX cannot be adjusted. You’ll need to perform
that adjustment on the equipment you’ve connected. When needing to monitor the sound
being input, rst turn down the volume all the way on the device you’ve connected. Then,
gradually raise the level until you’ve reached the appropriate volume.
Making the Connections and
Turning the Power On
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Let’s Play!
Should you encounter unexpected results, such as no sound being produced, check the following.
Are connections to other devices correctly made?
Check the connections once more.
Is the volume turned down?
Check the volume levels on any connected amp or mixer.
Has the level been lowered with the expression pedal?
When the expression pedal is set to control volume, sounds are not output when the toe of the pedal is in the raised position.
Once you’ve finished making the connections, try playing sounds as you operate the ME-25.
Choosing a Sound (Memory)
Switches to the previous memory.
Switches to the next memory.
Depressing and holding the pedal lets you switch memories
successively.
Depressing the two pedals at the same time activates the
tuner function.
What is a Memory?
A group of eect settings is called a “memory.”
The ME-25 has 60 memories.
Display
The currently
selected sound
(memory) and
other information
appears here.
Using Pedal Eects
You can use pedal eects to apply wah or a variety of other
pedal eects.
To assign the pedal’s function, rmly press the toe of the pedal
to toggle the PEDAL FX indicator’s status.
PEDAL FX Indicator
The pedal controls the volume.
Unlit:
The pedal controls the pedal eects.
Lit:
For detailed information about pedal eects, read “PEDAL FX (Pedal
Eects)” (p. 8).
Using Super Stack
This lets you get the powerful
sound of a large, stack-type
tube amp even when you're
playing with a small-size amp.
Pressing this button switches
on Super Stack and makes the
SUPER STACK indicator light up.
Switching to Solo Sounds
This switches to sounds suited to solo performance.
Pressing this pedal switches SOLO on and makes
the pedal’s indicator light up.
Turn the VOLUME knob while SOLO is on to set the desired solo
volume.
* Cannot be adjusted while in Edit mode (p. 5).
Phrase Loop Play
Adjusting the Volume and Tone Quality
DRIVE Knob
This adjusts the amount of distortion of preamp distortion.
TONE Knob
This adjusts the tone quality of the preamp.
VOLUME Knob
This adjusts the volume level of the preamp.
The knobs will be disabled when the preamp is o. To check the on/o
status of the preamp, go to the Edit mode (p. 5).
Pressing this pedal for two seconds or longer enables
the Phrase Loop feature.
“Phrase Loop Play” (p. 10)
You can save the settings you've adjusted.
“Saving Sounds (Memory Write)” (p. 4)
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Using the Sound Library
What’s the Sound Library?
The Sound Library contains sounds in a variety of styles.
You can obtain ideal sounds with ease, simply by selecting a sound provided in the Sound Library.
Six categories are available (CLEAN, CRUNCH, DRIVE, HEAVY, LEAD, and EXTREME), with ten different variations provided for each.
For information on Sound Library sounds, read the separate “Sound Library List.”
You can download a variety of the Sound Library sounds from the BOSS website (http://www.bosscorp.co.jp/sound/ME-25/).
You can import downloaded sound libraries into the ME-25 using Librarian (p. 11).
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1. Choose the category you want.
“SL” will appear in the display.
2. Choose the variation you want.
3. Press [EXIT].
This completes the procedure for selecting sounds from the
Sound Library.
Sounds cannot be added and saved in the Sound Library using the
ME-25 itself. Sounds that you like and want to reuse should be saved
in memory (Memory Write).
When saving the sounds in memory, placing them in the order that
you intend to use during the performance will be helpful.
Saving Sounds (Memory Write)
This saves the current effect, noise suppressor, and control settings
in a memory.
Until you perform a Memory Write operation, switching off the power
or changing memories will cause any tones you’ve created to be lost.
Carrying out a Memory Write operation causes the sound already
saved at the destination memory to be lost.
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1. Press [WRITE].
The memory number shown in the display will start blinking.
2.
Use the MEMORY pedals to choose the memory
number where you’d like to save the memory.
Pressing and holding a pedal lets you switch memories successively.
To cancel the Memory Write procedure, press [EXIT].
3. Press [WRITE] again.
The memory number will blink more rapidly, indicating that
the sound has been saved.
To copy a memory, call up the memory you want to copy, then
simply carry out a Memory Write operation. You can copy the
memory by choosing a different memory number and saving it there.
Making Detailed Settings for Effects
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Eect o Eect on
The indicators show the states described below.
Each button press switches the state.
Example: COMP/FX
Eect adjustment
LitO Flash
In the Edit mode, the function shown in italics is enabled.
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(Edit Mode)
In Edit mode, you can make detailed settings for all the effects.
Example: the CLEAN button
1. Hold down [EXIT] and press [WRITE].
“Ed” appears in the display and operation switches to Edit
mode.
2. Choose the effect whose settings you want to
make.
The indicator for the selected effect flashes.
To select PEDAL FX, firmly press down on the toe of the expression
pedal until the PEDAL FX indicator is lit.
For more information about each effect, read “Effect Guide” (p. 6).
3. Choose the type of effect.
The number of types varies depending on the effect. For instance,
setting the COMP/FX type to 4 selects 3 (AC SIM) as the type.
4. Adjust the effect as desired.
5. Press [EXIT].
This ends Edit mode.
6. If you want to save the settings you’ve just
made, carry out the Memory Write procedure
(p. 4).
This functions as a COMP/FX button.
Adjusting the Noise Suppressor
This suppresses the noise and hum picked up by the guitar’s
pickups.
1. Hold down [EXIT] and press [WRITE].
“Ed” appears in the display and operation switches to Edit
mode.
Turning off the power or switching memories before you carry out a
Memory Write operation causes the sound you've created to be lost.
2.
Holding down [EXIT] and use the MEMORY
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or pedals to adjust the the noise suppressor.
The current noise suppressor setting (t0–t9) appears in the
display.
A setting of t0 (zero) turns off the noise suppressor.
Adjusting the noise suppressor setting higher than necessary may
result in no sound when the guitar is played at low volume.
3. Press [EXIT (EDIT)].
This ends Edit mode.
4. If you want to save the setting, carry out a
Memory Write operation (p. 4).
Turning off the power or switching memories before you carry out a
Memory Write operation causes the sound you’ve created to be lost.
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