Ditto X4 Looper

2 Ditto X4 Looper User Manual

Table of Contents
Important Safety Instructions ...................................... 3
7. Onboard FX............................................................... 11
Legal Disclaimer ............................................................. 3
Reverse ......................................................................................... 11
Limited warranty ............................................................ 3
Half ................................................................................................. 11
1. Introduction ............................................................... 4
Once .............................................................................................. 11
2. Setup........................................................................... 4
Tape Stop ..................................................................................... 11
3. Hookup ....................................................................... 5
Fade ............................................................................................... 11
4. Controls ...................................................................... 7
Double .......................................................................................... 11
5. Creating Loops ........................................................... 8
Hold ............................................................................................... 11
Recording a single loop............................................................ 8
Multiple FX .................................................................................. 12
Overdubbing ................................................................................ 8
8. Mode Switches ......................................................... 12
Undo................................................................................................ 8
Switch 1 ........................................................................................ 12
Redo ................................................................................................ 8
Switch 2 ........................................................................................ 12
Using undo/redo creatively .................................................... 8
Switch 3 ........................................................................................ 12
Stopping loop playback/recording...................................... 8
Switch 4 ........................................................................................ 12
Stopping loop playback/recording and
9. Firmware Updates ................................................... 12
deleting the loop ........................................................................ 8
Preparing the firmware update ........................................... 12
Deleting the loop when you are not recording
or playing back ............................................................................ 9 Applying the firmware update ............................................ 12
Using two loops in Serial mode ............................................ 9 10. Specifications ......................................................... 13
Using two loops in Sync mode .............................................. 9
6. Store, Import, Export ................................................ 9
Current (in-memory) loop vs. stored loop (backing track)
9
Current loop stays in memory ............................................... 9
USB operation vs. looping ....................................................... 9
Exporting Ditto X4 Looper loops to a computer ......... 10
About audio formats .............................................................. 10
Importing loops into Ditto X4 Looper from a computer10
Importing MP3 files to Ditto X4 Looper ........................... 11
Balancing backing track and current loop levels .......... 11
3 Ditto X4 Looper User Manual

Important Safety 9. Do not defeat the safety purpose of the polarized 20. Please keep the environmental aspects of battery
Instructions or grounding-type plug. A polarized plug has two blades disposal in mind. Batteries must be disposed-of at a
with one wider than the other. A grounding-type plug battery collection point.
has two blades and a third grounding prong. The wide 21. Use this apparatus in tropical and/or
blade or the third prong are provided for your safety. If the moderate climates.
provided plug does not fit into your outlet, consult an
electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or LEGAL DISCLAIMER
pinched particularly at plugs, convenience receptacles, MUSIC Group accepts no liability for any loss which
Terminals marked with this symbol carry
and the point where they exit from the apparatus. may be suffered by any person who relies either
electrical current of sufficient magnitude
to constitute risk of electric shock. 11. Use only attachments/accessories specified by wholly or in part upon any description, photograph,
Use only high-quality professional speaker cables with the manufacturer. or statement contained herein. Technical specifications,
¼" TS or twist-locking plugs pre-installed. All other appearances and other information are subject to
12. Use only with the
installation or modification should be performed only change without notice. All trademarks are the property
cart, stand, tripod, bracket,
by qualified personnel. of their respective owners. MIDAS, KLARK TEKNIK,
or table specified by the
LAB GRUPPEN, LAKE, TANNOY, TURBOSOUND,
This symbol, wherever it appears, manufacturer, or sold with
TC ELECTRONIC, TC HELICON, BEHRINGER, BUGERA
alerts you to the presence of uninsulated the apparatus. When a cart
and DDA are trademarks or registered trademarks
dangerous voltage inside the is used, use caution when
of MUSIC Group IP Ltd. © MUSIC Group IP Ltd.
enclosure - voltage that may be sufficient to constitute a moving the cart/apparatus
2016 All rights reserved.
risk of shock. combination to avoid
injury from tip-over.
This symbol, wherever it appears,
alerts you to important operating and
13. Unplug this apparatus during lightning storms or LIMITED WARRANTY
when unused for long periods of time.
maintenance instructions in the For the applicable warranty terms and conditions
accompanying literature. Please read the manual. 14. Refer all servicing to qualified service personnel. and additional information regarding MUSIC Group’s
Servicing is required when the apparatus has been Limited Warranty, please see complete details online at
Caution damaged in any way, such as power supply cord or plug music-group.com/warranty.
To reduce the risk of electric shock, do not is damaged, liquid has been spilled or objects have fallen
remove the top cover (or the rear section). into the apparatus, the apparatus has been exposed
No user serviceable parts inside. Refer servicing to to rain or moisture, does not operate normally, or has
qualified personnel. been dropped.
Caution 15. The apparatus shall be connected to a MAINS socket
To reduce the risk of fire or electric shock, outlet with a protective earthing connection.
do not expose this appliance to rain and 16. Where the MAINS plug or an appliance coupler is
moisture. The apparatus shall not be exposed to dripping used as the disconnect device, the disconnect device shall
or splashing liquids and no objects filled with liquids, remain readily operable.
such as vases, shall be placed on the apparatus.
17. Correct disposal of this
Caution product: This symbol indicates that
These service instructions are for use this product must not be disposed
by qualified service personnel only. of with household waste,
To reduce the risk of electric shock do not perform any according to the WEEE Directive
servicing other than that contained in the operation (2012/19/EU) and your national
instructions. Repairs have to be performed by qualified law. This product should be taken
service personnel. to a collection center licensed for the recycling of waste
electrical and electronic equipment (EEE). The
1. Read these instructions.
mishandling of this type of waste could have a possible
2. Keep these instructions. negative impact on the environment and human health
3. Heed all warnings. due to potentially hazardous substances that are generally
4. Follow all instructions. associated with EEE. At the same time, your cooperation
in the correct disposal of this product will contribute to
5. Do not use this apparatus near water.
the efficient use of natural resources. For more
6. Clean only with dry cloth. information about where you can take your waste
7. Do not block any ventilation openings. Install in equipment for recycling, please contact your local city
accordance with the manufacturer’s instructions. office, or your household waste collection service.
8. Do not install near any heat sources such as 18. Do not install in a confined space, such as a book
radiators, heat registers, stoves, or other apparatus case or similar unit.
(including amplifiers) that produce heat. 19. Do not place naked flame sources, such as lighted
candles, on the apparatus.
4 Ditto X4 Looper User Manual

1. Introduction
Ditto X4 Looper is the pedal that'll let you turn a single moment in time into
something truly spectacular. By perfectly merging ease of use with stellar
creative features like dual loop tracks, 7 loop FX, loop decay and MIDI sync,
Ditto X4 Looper will instantly become the canvas on which you paint your
multi-layered sonic masterpieces. If you can dream it, you can loop it!
The guitar player’s looper - made for guitarists by guitarists
Dual loop tracks - create evolving multi-track compositions or
fully fledged songs
7 loop FX - endless creative potential
Even though Ditto X4 Looper basically offers endless creative possibilities, it still
honors the core principle of our famed Ditto Looper. Simplicity! No drum-
machines, no deep-editing menus or other time consuming tech-nonsense,
only immediate unfiltered fun. So all you have to think about is - What will you
create today? LOOP 1 LOOP 2

2. Setup
The Ditto X4 should contain the following items in the box:
1 Ditto X4 looper pedal
1 9V power supply
DECAY SELECT FX
2 rubber feet for “non-velcro” pedalboard mounting
1 USB cable
1 “Quick Start Guide” sheet
1 TC Electronic sticker
LAYER FADING NO LAYER FADING
TAPE STOP
1 leaflet about TC’s guitar FX product range FADE
DOUBLE
HOLD

Inspect all items for signs of transit damage. In the unlikely event of transit STOP
REVERSE
HALF

damage, inform the carrier and supplier. If damage has occurred, keep all
ONCE

packaging as it can be used as evidence of excessive handling force.

ENGAGE/DISENGAGE FX
Connect the 9V power supply to the X4’s DC input socket, and plug the power STOP
ALL
CLEAR
ALL
supply into a power outlet.
ENGAGE DISENGAGE
FX FX
Connect your guitar and other pedals to the Ditto X4 as described in the
Hookup chapter.
The Quick Start Guide graphic will give you a basic understanding of the STOP
hardware functions. Proceed through this manual for an in-depth explanation of
all the features.

NOTE: When the loop is cleared,

DITTO X4 returns to true bypass
5 Ditto X4 Looper User Manual

3. Hookup

Basic Looping - No Effects

Input

Combo

Ditto X4 looper with effects (mono or stereo)

Modulation Drive
Pedals Pedals

Optional second amp

Input

Combo
6 Ditto X4 Looper User Manual

Ditto X4 looper in an FX loop

Drive Pedal(s)

FX Loop Send
Input

FX Loop Return

Reverb, delay and

modulation pedals

Combo

Dual mono with two instruments

Combo
7 Ditto X4 Looper User Manual

4. Controls

(2) (3) (4) (5)

(1)

(6) (7) (8)

(9) (10) (11) (12) (13) (14)

(1) STORE/LEVEL switches – these perform the following functions for their (4) DECAY knob – this controls the amount of volume reduction that occurs
associated loop: each time an overdub repeats. When set fully clockwise, the loop will not
decay at all. This is useful for creating stacks of overdubs that gradually
Briefly flip the switch up to store the current loop as a backing track.
disappear from the main loop.
Hold the switch in the up position for three seconds to delete the stored
(5) FX knob – select one of the 7 FX with this knob. See the “Onboard FX”
backing track.
chapter for details.
Hold the switch in the down position while turning the associated
(6) LOOP 1 and 2 footswitches – use these to control several loop-related
LOOP knob to set the level of the backing track. See the “Store,
functions. See the “Creating Loops” chapter for details.
Import, Export ” chapter for details.
(7) STOP footswitch – press this to stop both loops immediately. Press and hold
(2) LOOP knobs – adjust the level of loop 1 and 2 with these knobs. When
the switch to erase the loops.
holding the adjacent STORE/LEVEL switch in the down position, the knobs
adjust the volume of their respective stored backing track. (8) FX footswitch – press this to engage the selected loop FX. See the
“Onboard FX” chapter for details.
(3) SERIAL/SYNC switch – when set to Serial, either loop 1 or loop 2 can be
played at a time, allowing distinct parts to be switched back and forth. (9) INPUT jacks – Connect one ¼" TS cable for mono operation, or 2 cables
In Sync mode, both loops can be played simultaneously. for stereo.
8 Ditto X4 Looper User Manual

(10) OUTPUT jacks – Send audio via one or two ¼" TS cables. Undo
(11) Power input – connect the 9V power supply. Note that this pedal cannot It’s very possible that at some point during your looping experimentation,
operate on batteries. you will not be satisfied with a loop layer you have just created. To clear the last
layer that you recorded, press and hold the loop footswitch for the loop you want
(12) MODE switches – these allow fine details of the pedal’s operation
to delete for 1.5 seconds or longer during playback. The LED will blink twice in
to be adjusted. See “Mode Switches” chapter for details.
rapid succession and the last take will be removed. Any previously-recorded takes
Switch Down Up will remain.
1 REC PLAY OVERDUB REC OVERDUB PLAY

2
Overdub starts immediately
Overdub starts at the end of loop
Redo
(Sync mode only)
If you delete the most recent loop layer by mistake, or simply change your mind,
Serial mode - begin recording
Serial mode - record 2nd loop at end 2nd loop immediately it can easily be restored. Press and hold the loop footswitch for 1.5 seconds again
3 of 1st loop’s cycle Sync mode - loops are un-synced, during playback. The LED will blink twice in rapid succession and the previously-
Sync mode - loops are synced allowing simultaneous playback of deleted layer will be restored.
loops with different lengths
4 True Bypass Buffered Bypass
Using undo/redo creatively
(13) USB input – connect the Ditto X4 to a computer to transfer files back and Undoing and redoing overdubs can be used for more than just correcting
forth. This connection is also used for firmware updates. mistakes. You can make your performance more interesting by removing and
bringing back sections. Here is a simple example:
(14) MIDI IN and THRU jacks – connect an external MIDI clock to keep your
loops perfectly in sync. Record a bass line (loop cycle 1).
Record a chord progression (loop cycle 2).
5. Creating Loops Record a melody (loop cycle 3).
Depending on the setting of the Serial/Sync switch, the Ditto X4 can function a Press and hold the loop footswitch to clear the melody, allowing you to play
bit differently. We’ll discuss how each loop operates by itself, then dive into the different lines over the loop.
possibilities with 2 loops. These instructions also assume that the pedal’s MODE
Press and hold the loop footswitch to bring back melody from loop cycle 3.
switches are set to their default “down” position (see callout #12).
Note – undoing or redoing by using the footswitch is only possible during
playback. If you hold down the footswitch after you have stopped loop playback
Recording a single loop or recording, you will delete the full loop, including all overdubs!
To start recording, press one of the LOOP footswitches. The LED will light up red
to indicate that the loop is in record mode. At the end of your loop, press the
same footswitch again.
Stopping loop playback/recording
To stop loop playback, press the relevant LOOP footswitch twice in short
The LED will turn green and the loop will repeat continuously. The LED will
succession. This is particularly useful when using both loops in Sync mode, since it
blink every time the loop starts over again. Each loop allows up to 5 minutes of
will allow you to stop one loop while the other continues.
record time.
Alternatively, you can press the dedicated STOP footswitch to stop one or
Adjust the corresponding LOOP 1 or LOOP 2 knob to set the playback volume for
both loops.
the loop you have recorded. These knobs have no affect on the direct sound of
your guitar. To stop recording, press the LOOP footswitch for the loop you are recording to.
Playback will begin immediately.
Overdubbing Various onboard FX, such as TAPE STOP and FADE, will also stop the loop in an
interesting and less immediate way.
To record another layer (overdub) on top of the first loop, press the same LOOP
button (1 or 2) that you initially used. The footswitch LED will turn red to indicate The associated LOOP LED will start flashing green to indicate that your loop is still
that you are recording. in memory and ready for playback.
When you’ve completed the second layer, press the footswitch again to quit
record mode. The Ditto X4 will begin looping both layers. Stopping loop playback/recording and
Note that the length of the loop will not increase when overdubbing. If you deleting the loop
continue playing while in record mode after the first layer repeats, you will create
To stop loop playback/recording and delete everything you have recorded, press
a 3rd layer of overdubbed audio. There is no limit to overdub layers.
the LOOP footswitch twice in short succession and hold the switch down on the
Tip: Use the Decay knob to cause overdubs to gradually fade with each loop cycle. second tap. After 1.5 seconds, the in-memory loop will be deleted.
Pressing and holding the STOP footswitch will delete BOTH loops, so only use this
method if you don't want to keep one of the loops intact.
The LED will turn off to indicate that the loop has been deleted. At this point, you
can start recording loops from scratch again.
9 Ditto X4 Looper User Manual

Deleting the loop when you are not recording After material is recorded for both loops, you can stop and start either loop
at will. If only loop 1 is playing, loop 2’s LED will flash green. Press the LOOP 2
or playing back footswitch once to begin the second loop at any point during playback, not just at
To delete everything you have recorded for one of the loops while you are not the beginning of a cycle. Press a loop footswitch twice is short succession to stop
recording or playing back audio, press and hold the LOOP footswitch. Doing this that loop.
will cause a brief moment of playback to occur before the pedal “realizes” that
Note that both loops can still contain multiple layers, so many creative options
you intend to delete the loop.
exist for creating a stack of loops in loop 1, then creating another stack of layers
Holding the STOP footswitch for 1.5 seconds will delete both loops without any in loop 2 that can be started and stopped at will.
audio being heard. If you do not intend to keep one of the recorded loops intact,
Keep in mind that a loop must be currently playing to record an additional
this is better method.
layer on top of it. If a loop is currently paused, you will need to press the loop
The LED will flicker red and then turn off to indicate the loop is clear. Note that footswitch once to play the loop, then again to start recording.
while using the “undo” function that clears an overdub, deleting a whole loop
has no “redo” feature. Deleting loops as described in this section permanently
removes the loop. 6. Store, Import, Export
A safe way to save a loop that you want to keep is to store the loop as a backing
track as described in chapter 6. Current (in-memory) loop vs. stored loop
(backing track)
Using two loops in Serial mode Ditto X4 Looper is very flexible when it comes to recording, importing and
Set the SERIAL/SYNC switch up to the Serial position. In this mode, the 2 loops exporting audio loops. When you are recording something, this is the “current
are kept separate from one another, enabling different loop lengths and creative loop”. It will be available even after powering down Ditto X4 Looper.
switching back and forth.
In addition to the memory that holds the current loops, there is an onboard
You can start with either loop, but for this example, create a loop in loop 1. While storage module (similar to a hard disk or a USB flash drive) for each of the 2 loops.
the loop is playing back, press the LOOP 2 footswitch. This will arm loop 2 and This storage module is used to transfer loops (or even complete backing tracks)
the LED will rapidly flash red. Loop 1 will stop playback at the end of its cycle and from and to your computer/DAW.
recording will automatically begin for loop 2.
You can set playback volume for the in-memory loops and the stored loops
After loop 2 has been created, it will continue to cycle automatically. You can (backing tracks) independently. See “Balancing backing track and current loop
press the LOOP 2 footswitch again to record additional layers as described earlier levels” at the end of this chapter.
in this chapter. Pressing the LOOP 1 footswitch while loop 2 is playing will cause
both LEDs to rapidly flash green to indicate that the playback will switch.
Loop 2 will stop its playback after the cycle completes and loop 1 will
Current loop stays in memory
start automatically. When you power down Ditto X4 Looper and there are still loops in memory, the
loops will be available even after you power down the device.
When 2 loops exist in Serial mode, the LED for the loop that is currently playing
will be solid green, and the paused loop will be flashing green. When you power up Ditto X4 Looper again, the LOOP footswitch LED will flash
green, indicating your previously-recorded loop is available. Just hit the LOOP
To stop a loop’s playback, either press the current loop's footswitch twice in short
footswitch and playback will start. If you want to start from scratch instead,
succession, or press the STOP footswitch. The LED will rapidly flash green and the
delete the loop (see “Stopping loop playback / recording and deleting the loop/
loop will stop at the end of its cycle.
backing track” in chapter 5.

Using two loops in Sync mode USB operation vs. looping

Set the SERIAL/SYNC switch down to the Sync position. This mode allows loop 1
The following sections (“Exporting Ditto X4 Looper loops to a computer” and
and 2 to be played independently or simultaneously. The first recorded loop sets
“Importing loops into Ditto X4 Looper from a computer”) describe how you can
the overall phrase length and the second loop can be multiples of that length.
connect Ditto X4 Looper to a computer using the supplied USB cable to import or
For example, if the first loop represents 4 measures of music, the second loop
export loops and backing tracks.
could be 4 measures, 8 measures, 12, etc.
Please note that once you have attached it to a computer, your Ditto X4 Looper
You can start with either loop, but for this example, create a loop in loop 1. Just
effectively becomes a USB storage device, and audio is disabled. This means that
as loop 1 is completing its cycle and starting over, press the LOOP 2 footswitch.
you can transfer audio files to and from Ditto X4 Looper – but you cannot play
The LED will turn red and recording will begin. Loop 1 will continue to play as you
back (or record) audio at the same time. Ditto X4 Looper does not act as a USB
record onto loop 2.
audio interface. This means that to get back to looping, you will have to unplug/
*note that flipping Mode switch 2 to the “up” position will allow the second loop to be armed during loop 1 eject Ditto X4 Looper.
playback, and recording will automatically begin at the start of the next cycle.
On computers running Microsoft Windows or Apple OS X operating systems, no
To stop loop 2 recording, either press the LOOP 2 footswitch at the end of software is required for accessing Ditto X4 Looper as described in this section –
1 phrase to keep the 2 loops the same length, or simply let the recording it’s all plug & play.
continue. The second loop’s length will always end in multiples of the first loop,
so even if you stop the loop 2 recording a bit too early, the loops will still be in
sync when dual playback begins.
10 Ditto X4 Looper User Manual

Exporting Ditto X4 Looper loops to a computer About audio formats

If you have created a really great loop (e.g. a song idea or a beautiful riff), you Ditto X4 Looper saves audio files in 32 bit floating point format. If your DAW
may want to reuse it. Now you could simply record the signal coming from Ditto does not support this AIFF/WAV “flavor” – or if it doesn’t support AIFF or WAV
X4 Looper’s audio outputs to your DAW – but this could lead to signal quality at all – you will have to convert the files coming from Ditto X4 Looper to a
degradation and requires post-editing (trimming) the recording. This is why Ditto supported format.
X4 Looper allows you to export your loops in pristine quality.
Please consult your DAW’s manual or support pages to find out which audio
1. When you are happy with your loops, nudge the STORE/LEVEL switch(es) formats it supports. You should then be able to find a free audio format
up briefly. This will store each loop within the device in a format (actually, converter – either as an application for your operating system or as an
two formats) that can easily be transferred to a computer. After storing online service.
the current loops, please wait a few seconds before connecting the pedal
If nothing else works, you can simply record the signal from Ditto X4 Looper’s
to your computer.
audio outs into your DAW.
2. After power has been connected to the looper and it has run its startup
sequence, connect a USB port on your computer to the USB port of Ditto X4
Looper using the supplied USB cable. The LOOP footswitch LEDs will start
Importing loops into Ditto X4 Looper
blinking orange, indicating that Ditto X4 Looper now is in USB transfer mode, from a computer
and audio will be disabled.
Did you find (or create) an insanely great song that you would like to use on
3. Your computer will recognize Ditto X4 Looper as an external USB storage stage as a backing track? Well, with Ditto X4 Looper, you can – without having to
device. It will be shown in the Finder (OS X) or Windows Explorer as a drive schlep your notebook on stage. All you have to do is transfer your backing track or
called “DITTO” containing folders called “TRACK1” and “TRACK2”. base loop from your computer to Ditto X4 Looper using a USB connection.
1. Create a loop in your DAW and export it as an audio file in either AIFF or
WAV format.
2. Connect a USB port on your computer to the USB port of Ditto X4 Looper
using the supplied
USB cable. The LOOP footswitch LEDs will start blinking orange, indicating
that Ditto X4 Looper is now in USB transfer mode, and audio will be disabled.
3. Your computer will recognize Ditto X4 Looper as an external USB storage
device. It will be shown in the Finder (OS X) or Windows Explorer as a drive
called “DITTO” containing a folder called “TRACK”.
4. Copy your audio file (in AIFF or WAV format) from your computer to Ditto X4
Looper by dragging it to the “TRACK1” folder of the “DITTO” drive for the
track to be played from LOOP 1 controls and "TRACK2" folder for the track to
be played from the LOOP 2 controls. Wait for the file transfer to finish.
Each “TRACK” folder should hold two files: “TRACK.AIF” and “TRACK.WAV”.
These files contain the loops that you have previously stored (see step 1) in
both AIFF and WAV formats. AIFF is commonly used in OS X, while WAV is the
commonly used format for Microsoft Windows.
Please refer to the instruction manual of your DAW to learn which format you
should use.
4. Copy the respective file (“TRACK.AIF” or “TRACK.WAV”) to your computer,
e.g. by dragging it from the “TRACK” folders to the desktop. Wait for the file
transfer to finish. Note that you may need to rename one or both tracks if
they are carried to the same folder on your computer.
5. On a Windows PC, eject the “DITTO” drive by clicking it with the right mouse
5. Eject/unmount Ditto X4 Looper as described in “Exporting Ditto X4 Looper
button in Windows Explorer and selecting “Eject” from the context menu.
loops to a computer”. The LOOP footswitch LEDs will flicker as the loop
On a Mac, eject/unmount the “DITTO” drive by selecting it and pressing is read.
[Cmd] and [E] simultaneously.
6. Disconnect Ditto X4 Looper from your computer. The LOOP footswitch
6. Disconnect Ditto X4 Looper from your computer. The LOOP footswitch LEDs will stop blinking orange and return to green, and audio will
LEDs will stop blinking orange and return to green, and audio will be be enabled again.
enabled again.
11 Ditto X4 Looper User Manual

Importing MP3 files to Ditto X4 Looper Half

Usually, you will want to import AIFF or WAV files into Ditto X4 Looper: This will Engaging this effect causes the loop to play back at half speed and also detunes
give you the highest possible audio quality, and no conversion is required. the pitch by one octave.. This can be used to create bass lines by playing the riff
However, you can also import MP3 files with a 44.1 kHz sampling rate. Ditto X4 in double time, then engaging the Half effect. Press the FX footswitch again to
Looper will convert an imported MP3 file to AIFF and WAV format. return to normal playback speed and pitch. Additional loops can be created while
this effect is engaged, and all loops will play back at half speed.
The procedure is the same, with the following exceptions:
– Converting an MP3 file takes some time. During conversion, the LOOP
footswitch LED will flicker red. Converting a long (6 minute) MP3 file
Once
will take about 90 seconds. This effect is useful if you know you want the loop to stop at the end of its phrase.
Rather than trying to manually stop the loop right before it cycles around, you
– Importing tight/short MP3 loops with MP3 metadata will add a few
can press the FX footswitch mid-way through playback. The LED will rapidly flash
milliseconds of silence to the end of the loop. If you want to ensure
green and the loop will stop at the end of the current cycle.
seamless, sample-accurate playback, please use files in AIFF or
WAV format.
Notes about working with imported backing tracks:
Tape Stop
This effect offers a fancier way of stopping a loop than the dedicated STOP
– Levels of imported backing tracks are reduced so you can jam to these
footswitch. Pressing the FX footswitch causes the loop to fade out and detune
tracks and hear yourself.
over the course of a couple seconds, similar to an analog tape machine being
– Track/file names of imported loops/backing tracks are irrelevant, as powered down during playback. The LED will flash red even after playback has
long as the suffix (“.WAV” or “.AIF”) is correct. stopped, and the loop can be re-engaged by pressing the FX footswitch again.
– You only have to delete existing backing tracks if you need to make
room for new tracks. If there are several tracks in the TRACK folder, Fade
the last imported track will be used.
Rather than an abrupt end to the loop when using the STOP footswitch, this
effect causes the loop to gradually fade out over the course of ~5 seconds, which
Balancing backing track and current loop levels is perfect for the end of a performance. The LED will flash orange as the audio is
fading and continue flashing even after playback has stopped. Pressing the FX
What you are recording with Ditto X4 Looper is called “the current loop”. If you
footswitch again will start the loop again.
store this current loop (by using the STORE/LEVEL switch), or if you import a
previously-recorded track from a computer as described in the previous section, Note – after audio has fully faded, you can press the STOP footswitch, then press
this is a “backing track”. the FX footswitch without the loop resuming.
You can set the volume for the current loop and the backing track independently.
– To set the level of the current loop, turn the LOOP LEVEL knob.
Double
This is the opposite of the 'Half' effect. Engaging the effect will cause the
– To set the level of the stored backing track, turn the LOOP LEVEL knob
loop to play back the loop at double the recorded speed, and also shift the
while pulling the associated STORE/LEVEL switch towards you.
pitch by one octave.
The ability to control the volume of the current loop and the backing track
independently allows you to control the mix very effectively.
Hold
Note that the LOOP knob still controls the overall level of the backing track and
This option is a momentary stutter effect, meaning the effect is only engaged
current loop. Adjusting the backing track level effectively balances its volume
while you press the FX footswitch. A short sample of the loop is taken right
against the level of the current loop.
as the footswitch is depressed, allowing a specific note or chord to repeat on
a “mini-loop” until the switch is released. When you release the footswitch,
7. Onboard FX playback will resume from the point that the loop would have been had you
never engaged the effect at all.
On top of all the useful looping, layering and storing features on the Ditto X4,
The effect also supports tap tempo, allowing you to determine exactly how
there are also 7 loop effects that can be used to enhance your experience.
long the "mini loop" will be. Simply tap the FX footswitch in rhythm, and the
effect will use that tempo to loop one "beat" as soon has you hold down the
Reverse FX footswitch.
This effect plays the recorded loop backwards. This can be done on a single loop As an example, let's say you recorded a progression of G, D, Em, C, with each
or with both loops playing back in Sync mode. When you engage the effect, the chord lasting 1 measure. If you pressed the FX footswitch just as the D chord
FX LED will flash red, and you can return to normal 'forward' playback by pressing started and held it for 2 measures, a loop of just the D chord would ring
the FX footswitch again. Note that you can record a second loop while the first during that time, and when you released the footswitch the C chord would
loop is playing in reverse, but it is very difficult to do this in a way that causes the just be starting. In other words, your hold time paved over the measure of
loops to match when you disengage the reverse effect. D and measure of C. This allows you to keep the phrasing on track during
a performance.
12 Ditto X4 Looper User Manual

Multiple FX Switch 4
It is possible to run more than one effect at the same time. For example, start True Bypass mode is a hard-wire bypass that gives absolutely no coloration of
playback from a loop, then engage the Reverse effect. The LED will flash red. tone when the pedal is bypassed. This is the default mode for your effect pedal.
Then turn the FX knob to the Half setting and press the FX footswitch again.
Using True Bypass on all pedals is a perfect choice in setups with a few pedals and
The loop will play back in reverse and at half speed, and the LED will flash orange.
relatively short cables before and after the pedals.
To undo either effect, make sure the FX knob is set to the desired effect and press
the FX footswitch. Only the other effect will be heard on the loop. If…
Note that it is possible to remove all active effects at once, which is handy – you use a long cable between your guitar and the first pedal or
when you have added several effects to multiple layers or loops. With playback
– if you use many pedals on your board or
stopped, hold the FX footswitch for 2 seconds and all effects will be removed
from the loops. – if you use a long cable from your board to the amp,
…then the best solution will most likely be to set the first and the last pedal in
8. Mode Switches the signal chain to Buffered Bypass mode. Can you hear the difference between
a pedal in True Bypass or Buffered Bypass mode? Maybe, maybe not – many
Since loopers are all about creativity and experimentation, the Ditto X4 was factors apply: active/ passive pick-ups, single coil/humbucker, cable quality, amp
designed with some customization options. The tiny MODE switches on the impedance and more. We cannot give a single ultimate answer, so experiment
back are set to the “down” position by default, but can be flipped with a pen, with switch 4 in the “up” position to hear what sounds best to you.
toothpick, paper clip, etc. to suit your needs.

Switch 1 9. Firmware Updates

TC may provide updates for the built-in software of your pedal, the firmware.
The standard workflow for most loopers is such that pressing a footswitch starts
Updating your TC pedal’s firmware requires…
the recording, pressing again stops the recording and automatically loops the
audio, and a 3rd press starts an overdub recording. However, this can be switched – a computer running Microsoft Windows or OS X with a standard
so that the first press begins the initial loop recording, then the second press USB interface
immediately starts the first loop and begins recording the overdub. The 3rd press
– the specified DC power supply for your pedal.
stops the overdub and loops both layers. This modified workflow allows you to
build stacked loops more quickly.
Preparing the firmware update
Switch 2 1. Download the newest firmware from the “Support” page for your TC pedal.
There are updaters
By default, recording an additional layer over a loop, or recording a second loop in
Sync mode, will start immediately upon pressing one of the LOOP footswitches. – for Microsoft Windows (these are ZIP archives containing the
However, flipping switch 2 to the “up” position will cause the associated LED to firmware installer) and
rapidly flash red to indicate that the loop is armed for recording. When the cycle
– for OS X (these are disk image files containing the firmware installer).
repeats, the LED will light solid red and recording will begin.
2. Unplug all cables (including the power supply) from your TC pedal.
This setting also causes “stop” commands (either by double tapping a LOOP
footswitch or press the STOP footswitch) to end the loop at the completion of 3. Connect the pedal to your computer using a USB cable.
its cycle.
4. Press and hold the leftmost footswitch on your TC pedal.
*note – in Serial mode, pressing the LOOP 2 footswitch while loop 1 is playing will still arm loop 2 for recording
5. Insert the DC power supply plug. The leftmost LED on your pedal should
upon completion of loop 1's cycle.
turn green.
Switch 3 6. Release the footswitch.
Serial mode Your TC pedal will now be recognized as an updatable device.
Serial mode is geared toward having 2 distinct parts to a song that are not
meant to be played simultaneously. Therefore, pressing a LOOP footswitch Applying the firmware update
during another loop's playback arms the loop for recording. After the first loop
7. Quit all MIDI-related applications (e.g. your DAW) on your computer and
finishes its cycle, the first loop stops and the second loop begins recording. This is
launch the firmware updater you have downloaded in step 1.
convenient for a verse/chorus arrangement, but there may be times when you
don’t want to wait for the first loop to end before recording. Flip switch 3 to the 8. In the firmware updater app, select your TC pedal from the drop-down list
“up” position to allow the second loop to begin recording immediately upon under the “STEP 1” heading.
pressing its footswitch.
If you are using Windows XP, select “USB Audio Device” from the list.
Sync mode
9. When the “Update” button under the “STEP 2” heading turns green, click it.
This mode was primarily designed to allow 2 independent loops to be played
The updated firmware will now be transferred to your TC pedal. Wait for the
on top of one another in perfect synchronization. However, some players like to
progress bar to reach 100%. When the update procedure is complete, the pedal
approach looping in a more ambient and experimental way, which is why Sync
will automatically restart.
mode can be un-synced! Setting switch 3 to the "up" position allows loops 1 and
2 to have different lengths, enabling creative "whalesong" layers of audio that
loop at different intervals.
13 Ditto X4 Looper User Manual

10. Specifications
Bypass mode True Bypass (Buffered Bypass optional)
Signal circuitry Analog dry-through
Dimensions (W x D x H) 235 x 145 x 57 mm (9.3 x 5.7 x 2.2")
Input connector 2 Standard ¼” jacks – mono/TS with
automatic mono/stereo sensing
Input impedance 1 MΩ
Output connector 2 Standard ¼” jacks – mono/TS with
automatic mono/stereo sensing
Output impedance 100 Ω
Power input Standard 9 V DC, centre negative
>300 mA (power supply included)
MIDI IN + MIDI THRU Standard 5 Pin DIN connectors
USB port Mini USB connector for file transfers
and for software updates