JamMan Express XT
S t e r e o L o o p e r w/J a m S y n c
Owner’s Manual
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Table of Contents
Overview ���������������������������������������������������������������������� 1
Introduction��������������������������������������������������������������������������������1
Features����������������������������������������������������������������������������������������1
9V Battery Installation ����������������������������������������������� 1
The User Interface & Connectors ����������������������������� 2
The User Interface ��������������������������������������������������������������������2
Connectors���������������������������������������������������������������������������������3
Connection Diagrams ������������������������������������������������� 4
Standard Looping�����������������������������������������������������������������������4
Multi-Track Looping Using JamSync���������������������������������������4
Multi-Player/Multi-Track Looping Using JamSync����������������5
Operation ��������������������������������������������������������������������� 6
Recording a Phrase��������������������������������������������������������������������6
Clearing a Phrase�����������������������������������������������������������������������6
Recording Overdubs�����������������������������������������������������������������7
Undoing/Redoing Overdubs����������������������������������������������������7
Using JamSync�����������������������������������������������������������������������������8
Specifications ������������������������������������������������������������� 11
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Overview
Introduction
The JamMan Express XT is a versatile, yet simple to operate stereo looper�With stereo
inputs/outputs, three LEDs to indicate looping status, and true bypass operation, the
JamMan Express XT allows you to record mono or stereo loops with ease and without
compromising your tone when bypassed�
Using the built-in JamSync feature, multiple JamMan Express XT devices can be
synchronized to provide multi-track looping capabilities! Cascade two or more JamMan
Express XTs for multi-track looping in your own rig or sync with your bandmates’ JamSync
compatible JamMan devices for multi-track looping with other members in the band!
With a small footprint, simplicity of operation, great sound quality, 10 minutes of stereo
loop recording time, and JamSync, the JamMan Express XT is sure to be the perfect looper
to compliment your rig�Thanks for choosing DigiTech®�
Features
• Stereo 1/4” Inputs & Outputs
• 10 Minutes of Loop RecordingTime
• True Bypass Operation
• JamSync for Multi-Track Looping
™
• Silent Clear Prevents PlaybackWhen Clearing Loops
• Intuitive User Interface
• Compatible w/ 9V Battery or PS0913DC Power Supply (Each Sold Separately)
9V Battery Installation
To install a 9V battery:
1� Remove the two screws in the bottom of the chassis using a Phillips screwdriver�
2� Locate the battery connection leads, connect the battery, then place the battery in the
battery compartment�
3� Place the bottom plate back on the chassis and replace the two screws� Make sure the
battery connection wires are clear of the chassis and screw mounting holes to avoid
pinching the wires and causing damage�
1
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The User Interface & Connectors
The User Interface
1� LOOP LEVEL Knob
This knob controls the output level of the
loop�
1
2� Status LEDs
These LEDs indicate the status of the
pedal as shown in the below table�
2
LED
Status
REC
Loop is being recorded.
PLAY
DUB
Loop is playing.
Overdub is being recorded.
3
DUB
Overdub is being undone/redone.
REC
Pedal is in standby
(recording/playback stopped).
DUB
PLAY
Loop is being cleared
(footswitch held).
REC
Slave armed for record
(connected as slave via JamSync).
REC
Slave synchronization established via
JamSync.
DUB
PLAY
REC
DUB
PLAY
Low battery.
3� Footswitch
The Footswitch is used to perform functions in the JamMan Express X � It is used to
control all looping functions (record, play, overdub, undo/redo, stop, and loop clear)�
2
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Connectors
4� Power Jack
Connect an optional PS0913DC power
supply to this jack�
5� JAMSYNC OUT
Connect this jack to the JAMSYNC IN
jack on another JAMSYNC compatible
device for master control over loop
playback and stop functions�
4 5
6
6� JAMSYNC IN
Connect this jack to the JAMSYNC
OUT jack on another JAMSYNC
compatible device to slave loop
playback and stop functions to a master
device�
7
8
7� LEFT IN (Mono)
Connect your instrument or additional
pedal to this jack�The signal is fed to
both outputs when only the LEFT IN
(Mono) jack is used�
8� RIGHT IN
Connect a second input to this jack
for stereo operation� LEFT and RIGHT
inputs are processed separately through
the looper engine and then fed to the
LEFT and RIGHT outputs to maintain
true stereo separation between
channels�
9� LEFT OUT (Mono)
Connect this output to the input of a
single guitar amplifier or another pedal
input�
9
10� RIGHT OUT
Connect this output to the input of a
second guitar amplifier when a second
amp is being used�
10
3
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Connection Diagrams
Standard Looping
HARMAN PS0913DC
POWER SUPPLY
AMP 1
GUITAR
IN
IN
OUT
OUT
IN
IN
OUT
Out
Out
1
2
(Mono)
In
1
(Mono)
In
2
OUT
IN
AMP 2
Optional
Multi-Track Looping Using JamSync
AMP 1
JAMSYNC
OUT
IN
HARMAN PS0913DC
POWER SUPPLIES
GUITAR
IN
IN
OUT
OUT
IN OUT
IN OUT
IN
IN
OUT
Out
Out
1
2
(Mono)
In
1
(Mono)
In
2
OUT
IN
MASTER
SLAVE
AMP 2
JamSync
Optional
4
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Multi-Player/Multi-Track Looping Using JamSync
HARMAN PS0913DC
POWER SUPPLY
AMP 1
OUT
GUITAR
IN
IN
OUT
OUT
IN
IN
OUT
Out
Out
1
2
(Mono)
In
1
(Mono)
In
2
OUT
IN
MASTER
AMP 2
AMP 1
HARMAN PS0913DC
POWER SUPPLY
IN
OUT
IN
BASS
OUT
IN
OUT
Out
1
(Mono)
In
1
(Mono)
OUT
IN
SLAVE 1
DI 1
HARMAN PS0913DC
POWER SUPPLY
IN
OUTPUT
INPUT
OUT
IN
KEYBOARD
OUT
OUT
IN
IN
OUT
OUT
DI 2
OUTPUT
INPUT
OUT
IN
JamSync
Optional
SLAVE 2
5
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Operation
The JamMan Express XT was designed to be very simple to use right out of the box�This
section of the manual describes how to perform the basic looping functions�
Recording a Phrase
The JamMan Express XT records a single phrase and then plays it back as a continuous loop�
To record a phrase:
1� Press the FOOTSWITCH and begin playing to start recording�The REC LED will light
solid red and recording will begin�
2� When finished recording, press the FOOTSWITCH once to set the loop end point�The
phrase will automatically begin playing back in a repeating loop and the PLAY LED will
light solid green�
3� Press the FOOTSWITCH 2 times quickly to stop loop playback�
NOTE:The maximum phrase recording length is 10 minutes�
Clearing a Phrase
Clear a phrase to re-record it or record a new phrase�The JamMan Express XT has a
™
unique feature, referred to as "Silent Clear ", which clears a phrase without requiring you to
play it first. Note that you cannot undo the process of clearing a phrase, so make sure you
want to proceed before performing this function�
To clear a recorded phrase:
1� Stop loop playback if it is not already (all LEDs should be off)� If loop playback is active
(the PLAY LED is on), press the FOOTSWITCH 2 times to stop loop playback�
2� Press and hold the FOOTSWITCH for ~2 seconds�The REC LED will quickly flash red,
indicating the phrase has been cleared�
NOTE:When using a slave/master looper setup, if the master loop is ~3 seconds or less
and if pressing and holding the FOOTSWITCH from a stopped state does not initiate
clear on the slave device, you may need to initiate play then stop (3 FOOTSWITCH
presses) and hold the footswitch on the 3rd press to clear its loop�
6
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Recording Overdubs
Once a phrase has been recorded, overdubs can be added on top of the phrase�
To record overdubs:
1� Press the FOOTSWITCH to start loop playback�The PLAY LED will light solid green and
the phrase will begin playing�
2� Press the FOOTSWITCH again to begin overdub recording�The DUB LED will light solid
yellow and audio will be recorded on top of the phrase�
3� When done overdub recording, press the FOOTSWITCH to end the overdub recording
session�The loop will continue playing along with the newly recorded overdub�
4� You can now decide whether you would like to undo the last overdub and re-record
it (see "Undoing/Redoing Overdubs" in the following section) or proceed and record
additional overdubs by repeating steps 2-3�
5� Press the FOOTSWITCH 2 times quickly to stop loop playback�
Undoing/Redoing Overdubs
When recording overdubs, you can choose to undo the last overdub recorded if you wish
to re-record it� If you change your mind or accidentally undo an overdub, you can then redo
the overdub to retrieve it�
To undo/redo an overdub:
1� Record an overdub as described in the previous section, "Recording Overdubs"�
2� Ensure the loop is playing (the PLAY LED should be on)� If the loop is not playing, press
the FOOTSWITCH 1 time to initiate loop playback� Once the loop is playing, press
and hold the FOOTSWITCH for ~2 seconds�The DUB LED will quickly flash yellow,
indicating the overdub has been undone�
3� If you wish to restore the overdub, press and hold the FOOTSWITCH again for ~2
seconds to redo the overdub�The DUB LED will quickly flash yellow, indicating the
overdub has been redone�
NOTE: Each time an overdub is added, the last overdub is merged with the original loop
and can no longer be undone using the Undo feature� If the combined loop and overdub
length exceed 10 minutes (e�g�, a 6 minute loop and 6 minute overdub, etc�), the two
will automatically be merged and the overdub cannot be undone� Overdubs added to a
recorded loop of 5 minutes or less will not be automatically merged�
7
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Using JamSync
Connection & Record Sequence
JamSync allows you to synchronize multiple JamSync compatible devices using optional 1/8”
mini stereo (TRS) cables (see below cable diagram)�This allows a JamSync master to control
the loop playback and stop functions for all connected JamSync slaves, providing multi-track
looping capabilities�You can cascade multiple JamMan Express XTs for single-player/multi-
track looping or collaborate with other musicians, each recording and cueing their own
loops for expressive multi-player/multi-track looping�
1/8” Mini Stereo (TRS) Cable Diagram
Tip
Tip
Sleeve
Sleeve
(Ground)
(Ground)
Tip
Sleeve (Ground)
Ring
Ring
Ring
JamSync
OUT
IN OUT To Next JamSync Slave
.
To use JamSync, connect the master device’s
JAMSYNC OUT jack to the JAMSYNC IN jack
of the first slave device.The REC and PLAY
LEDs on the slaved device will briefly flash,
indicating the unit is in slave mode� Daisy chain
any remaining slaves in the same manner�
When cascading multiple JamMan Express XTs
in series and using JamSync, the last JamMan
Express XT device in the chain should be the
master�You will then want to record to the
last JamMan Expess XT device in the signal
chain (the master) first, then the second to
last device, etc�, working your way backwards
through the signal chain� Performing these
actions will ensure you record only what you
intend to during each pass�
MASTER
SLAVE
Record First
Record Second
JamSync
Optional
There are two methods for recording loops to a JamSync slaved JamMan device:
• Manual Slave Recording Method
Using this method, you can record to the master then wait until you’re ready to
record to the slave�This method works well if you do not wish to immediately
8
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record to the slave and instead wish to record to the slave at a later time in the song�
When using this method, you must arm the slave to record before the master device
reaches its loop start point� It’s at this loop start point that the master will send the
record command to the slave device(s), so the slave device must be armed in advance
to receive the record command�
• Sequential Slave Recording Method
Using this method, you can record to a JamSync slave immediately upon setting the
loop end point of the master� Use this method when you want to immediately begin
recording to the slave device after recording to the master device�
To record using the Manual Slave Recording Method:
1� Press the FOOTSWITCH on the master device and begin playing�The REC LED will light
solid red and recording will begin�
2� When finished recording to the master, press the FOOTSWITCH once to set the loop
end point�The phrase will automatically begin playing back in a repeating loop and the
PLAY LED will light solid green�
3� Press the FOOTSWITCH on the slave device to arm the slave for recording� Recording
will begin once the master makes another pass of its loop start point (the REC LED will
light solid red on the slave device when recording begins )� Once recording has begun,
play your part�
4� When finished recording to the slave, press the slave’s FOOTSWITCH once to set the
loop end point�The phrase will automatically begin playing back along with the master
loop and the PLAY LED will light solid green�
5� Press the FOOTSWITCH on the master device 2 times quickly to stop loop playback on
both devices�
To record using the Sequential Slave Recording Method:
1� Press the FOOTSWITCH on the slave device�The REC LED will flash red, indicating the
slave is armed for recording�
2� Press the FOOTSWITCH on the master device and begin playing�The REC LED will light
solid red and recording on the master will begin�
3� When finished recording to the master, press the master FOOTSWITCH once to set
the loop end point�The master device’s recorded phrase will begin playing back and the
armed slave device will immediately begin recording, indicated by the slave’s REC LED
lighting solid red�
9
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4� Play your part�
5� When finished recording to the slave, press the slave’s FOOTSWITCH once to set the
loop end point�The phrase will automatically begin playing back along with the master
loop and the PLAY LED will light solid green�
6� Press the FOOTSWITCH on the master device 2 times quickly to stop loop playback on
both devices�
10
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Specifications
DIGITAL
A/D/A Conversion:
Max� Individual LoopTime:
24-bit
10 minutes (stereo)
LEFT(MONO)/RIGHT INPUTS
ConnectorType:
Input Impedance:
¼” Unbalanced (Tip-Sleeve)
550 kΩ Mono/1.1 MΩ Stereo
Unity Gain Input to Output: Loop Level knob set to 12 o’clock position
Max Input Level at Unity:
Left and Right Audio Paths:
+4 dBu DFS
Each channel maintains analog dry path
LEFT(MONO)/RIGHT OUTPUTS
ConnectorType:
¼” Unbalanced (Tip-Sleeve)/Balanced (Tip-Ring-Sleeve)
Output Impedance:
Playback Unity Gain:
Maximum Output Level:
100 Ω Unbalanced / 200 Ω Balanced
Loop Level knob set to 12 o’clock position
+4 dBu DFS
PERFORMANCE
Frequency Response:
Signal to Noise Ratio:
+0/-3 dB 20-20 kHz
> -100 dB
POWER REQUIREMENTS
Consumption:
Current Draw:
< 2Watts
< 150 mA
Battery Life:
Approximately 2 hours of operation using 9V battery
POWER ADAPTER
Model:
Input:
PS0913DC-01
100VAC-240VAC, 50/60 Hz
9VDC 1�3 A
Output:
Polarity:
DIMENSIONS/WEIGHT
Dimensions:
4�5” (L) x 2�75” (W) x 2” (H)
112 mm (L) x 65 mm (W) x 33 mm (H)
0�6 lb / 0�27 kg
ProductWeight:
ShippingWeight:
0�75 lb / 0�32 kg
Product specifications are subject to change without notice.
DigiTech, Silent Clear, and JamSync are trademarks of Harman�
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PHONE: (801) 566-8800
WEB: digitech�com
SUPPORT: digitech�com/en-US/support
JamMan Express XT Owner's Manual
5038282-B
© 2015 Harman�All rights reserved�
DigiTech is a registered trademark of Harman�
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