Tascam Network Card US 122L User Manual

D00927620A  
»
US-122L  
USB Audio/MIDI Interface  
OWNER'S MANUAL  
 
IMPORTANT SAFETY INSTRUCTIONS  
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Read these instructions.  
* Microsoft, Windows, and Windows XP  
are registered trademarks in the United  
States and other countries of Microsoft  
Corporation, USA.  
Keep these instructions.  
Heed all warnings.  
Follow all instructions.  
* Pentium is a registered trademark of  
Intel Corporation, USA.  
Do not use this apparatus near water.  
Clean only with dry cloth.  
* MIDI is a registered trademark of the  
Association of Musical Electronics  
Industries.  
Do not block any ventilation openings.  
Install in accordance with the manufactur-  
er's instructions.  
* Other company names and product  
names in this document are the trade-  
marks or registered trademarks of their  
respective owners.  
8
Do not install near any heat sources such  
as radiators, heat registers, stoves, or other  
apparatus (including amplifiers) that pro-  
duce heat.  
9
Only use attachments/accessories speci-  
fied by the manufacturer.  
10 Use only with the cart, stand, tripod, brack-  
et, or table specified by the manufacturer,  
or sold with the apparatus. When a cart is  
used, use caution when moving the cart/  
apparatus combination to avoid injury from  
tip-over.  
Do not expose this apparatus to drips or  
splashes.  
Do not place any objects filled with liquids,  
such as vases, on the apparatus.  
Do not install this apparatus in a confined  
space such as a book case or similar unit.  
TASCAM US-122L ꢁ  
 
Contents  
7 Troubleshooting............. 20  
Chart .................................. 22  
TASCAM US-122L  
 
1 – Introduction  
Please read this owner’s manual carefully  
before you begin using the US-122L, and  
use the product correctly as directed in  
order to ensure long and trouble-free  
enjoyment of all its functionality.  
nearby for reference when required.  
We can accept no responsibility for any  
loss of the data you record using this prod-  
uct onto other MIDI equipment in your  
system or onto storage devices such as  
hard disk.  
After you have read this manual, keep it  
Overview  
The US-122L is a USB-based audio inter-  
face designed for use with Digital Audio  
Workstation (DAW) software. It provides a  
two-input, two-output 24-bit 96 kHz audio  
interface and a 16-channel MIDI interface.  
since the US-122L operates using only  
USB power, you can use it with a laptop  
computer to create a very compact and  
portable digital audio workstation system.  
The US-122L is also an ideal way to cap-  
ture analog sources such as records or cas-  
sette tapes into your computer and pre-  
serve them as audio CDs.  
Because the US-122L is USB-based, it is  
the ideal companion to any desktop- or  
laptop-based digital recording setup. And  
Features  
• 24-bit / 96 kHz audio interface.  
connector) and headphone output.  
• MIDI IN/OUT.  
• Analog input signals (L, R) can be input  
at the same time and recorded simultane-  
ously into your computer via USB.  
• Direct Monitor function allows zero-  
latency monitoring of the input.  
• Two XLR mic/line inputs (balanced) and  
two 1/4” phone mic/line inputs (bal-  
anced/unbalanced) are provided. One of  
the 1/4” phone inputs can be switched to  
allow direct input of an electric guitar or  
electric bass (R channel only).  
• Power is supplied by the USB connector.  
A note about computer operation  
If you are unsure about how to perform  
basic computer operations appearing in  
this manual, please refer to the owner’s  
manual that came with your computer.  
• Unbalanced stereo line output (RCA  
What is in the package  
The US-122L package contains the follow-  
ing items.  
• CD-ROM (containing drivers and manuals)  
• CD-ROM (Gigastudio 3 LE) [Windows  
only]  
• US-122L main unit  
• USB cable  
• CD-ROM (Cubase LE)  
• Owner’s manual (this document)  
TASCAM US-122L ꢃ  
 
 
1 – Introduction  
Conventions used in this manual  
The following conventions are used in this  
manual:  
This typeface is used to designate messag-  
es displayed by the software.  
Example: Control Surface Protocol  
Front panel keys, knobs, and indicators,  
and rear panel connectors are designated in  
all-capital letters.  
This typeface is used to designate software  
menu functions and on-screen controllers.  
Example: LINE IN jacks  
Example: ASIO Device  
TASCAM US-122L  
 
 
2 – Parts of the US-122L  
Top panel  
1 PHONES/LINE OUT level knob  
Controls the output level of the LINE OUT  
jacks and the PHONES jack.  
4 MON MIX balance knob Controls  
the balance of the signal sources being out-  
put from the LINE OUT jacks and the  
PHONES jack. When this knob is turned to  
the far left, the signal being input to the  
US-122L (from the XLR jacks, or 1/4"  
phone jacks) will be output. When this  
knob is turned to the far right, the output  
signal received from the computer via USB  
will be output.  
2 MIDI IN indicator Lights when MIDI  
data is being received at the MIDI IN con-  
nector.  
MIDI OUT indicator Lights when MIDI  
data is being transmitted from the MIDI  
OUT connector.  
3 USB indicator Lights to indicate a  
valid USB connection to the host comput-  
er.  
5 MONO switch Turn this switch ON if  
you want to monitor in monaural. This  
switch affects only the analog input signal.  
6 INPUT knobs (L, R) Adjust the level  
of the audio signal being input to the MIC  
IN jacks and LINE IN jacks.  
TASCAM US-122L ꢅ  
 
 
2 – Parts of the US-122L  
ic musical instrument, audio device, or mic.  
7 SIG/OL indicators Light when signals  
are being input to the input channels (L,  
R). They will light green to indicate a sig-  
nal is present, and will light red immedi-  
ately before distortion occurs. These indi-  
cators apply only to the analog inputs.  
NOTE  
9 PHANTOM switch Turns on the +48V  
phantom power supplied to the MIC IN  
jacks.  
WARNING  
Microphones should not be connected  
to or disconnected from the US-122L  
with phantom power switched on.  
Unbalanced dynamic microphones  
should never be connected to phantom-  
powered connectors.  
These indicators will light green when  
the input signal level is in the range of -  
30 dBFS to -2 dBFS. The indicators will  
light red when the input signal level  
exceeds -2 dBFS.  
NOTE  
Turn this switch on only if you are using  
condenser microphones that require  
phantom power.  
Please note that if you are operating  
the unit with a battery-powered laptop  
computer, the battery life of the com-  
puter will be reduced if the PHANTOM  
switch is on.  
8 MIC/LINE-GUITAR select switch Set  
this switch as appropriate for the input  
source you have connected to the LINE IN  
jack R channel. Use the GUITAR position if  
you have directly connected an electric  
guitar or electric bass. Use the MIC/LINE  
position if you have connected an electron-  
Rear panel  
0 USB connector Use a USB cable to  
connect this to the host computer’s USB  
2.0 port.  
C LINE OUT L/R jacks (RCA connector,  
unbalanced) These are analog stereo output  
jacks.  
NOTE  
A MIDI OUT connector Transmits  
If you connect headphones to the  
PHONES jack, no signal will be output  
from the LINE OUT jacks.  
MIDI messages.  
B MIDI IN connector Receives MIDI  
messages.  
TASCAM US-122L  
 
 
2 – Parts of the US-122L  
Front panel  
If the MIC/LINE-GUITAR select switch is in  
the MIC/LINE position, the R jack operates  
as a balanced input jack. (Sleeve = ground,  
tip = hot, ring = cold)  
D MIC IN (L, R) jacks (XLR balanced)  
These are analog mic input jacks. The wir-  
ing is as follows: pin 1 = ground, pin 2 =  
hot, pin 3 = cold.  
F PHONES jack (stereo 1/4" phone) This  
is a headphone output jack.  
NOTE  
E LINE IN (L, R) jacks (TRS 1/4" phone  
jacks) These are balanced line input jacks.  
The R channel also accommodates guitar  
input. If the top panel MIC/LINE-GUITAR  
select switch is in the GUITAR position, the  
R jack operates as an unbalanced input  
jack for guitar.  
If you connect headphones to this jack,  
no signal will be output from the LINE  
OUT jacks.  
TASCAM US-122L ꢇ  
 
 
3 – Installation  
System requirements  
Windows XP  
The faster your hard disk, the better  
your results will be.  
Supported operating system: Windows  
XP SP2  
We recommend that you have at least  
256 MB of memory, but when using dig-  
ital audio application software, the  
more memory you have the happier you  
will be.  
Recommended system: Pentium or  
Athlon 1 GHz or faster (or equivalent pro-  
cessor), 512 MB or more memory, USB 2.0  
port  
Although this product has been checked  
for use with typical computers that  
meet the above operating require-  
ments, we cannot guarantee that it will  
operate with all computers that meet  
these requirements. Please be aware  
that even under the same conditions,  
processing capability may vary depend-  
ing on differences of the design and  
system.  
These requirements are for when using  
Cubase LE. If you are using other applica-  
tion software, you will need to consult the  
operating requirements for the software  
you are using.  
NOTE  
The number of usable audio tracks will  
depend on the speed of your hard disk.  
Mac OS X  
• Macintosh computer with a USB 2.0  
connector  
For Macintosh as well, the more memory  
you have and the faster your hard disk, the  
happier you will be when using digital  
audio application software  
• Mac OS X 10.3.9 & higher on PowerPC  
Mac systems  
10 TASCAM US-122L  
 
 
3 – Installation  
Installing the drivers  
In order to use the US-122L, you must  
install the appropriate drivers into your  
computer. As described below, this is an  
easy process using the CD-ROM included  
with the US-122L.  
CAUTION  
Handle the enclosed CD-ROM with care.  
If the disc becomes scratched or dirty,  
your computer may be unable to read it  
and the software cannot be installed. If  
the disc becomes unreadable, a fee will  
be charged for its replacement.  
Drivers are updated from time to time. You  
can download the most recent version of  
the drivers from the TASCAM website  
<http://www.tascam.com/>.  
WARNING  
Never attempt to play the enclosed CD-  
ROM in a conventional audio CD player,  
as the resulting noise may damage your  
speakers or your hearing.  
Do not connect the US-122L to your com-  
puter before you have installed the drivers.  
Installing the drivers for Windows XP  
The US-122L’s drivers are provided on the  
CD-ROM as an executable installer enti-  
tled US-122L & US-144 driver x_yy.exe.  
(x_yy is the version number.)  
NOTE  
During driver installation, a warning  
that this software ... has not passed  
Windows Logo testing will appear. This  
warning appears when you attempt to  
install a driver that has not passed  
Windows Logo testing; however, please  
be assured that TASCAM has verified  
that this driver for Windows XP does  
work correctly.  
Installation procedure  
1 Make sure that the US-122L is not  
connected to your computer.  
2 Double-click the executable installa-  
tion file US-122L & US-144 driver x_  
yy.exe. The installer will start up.  
If this message appears, click Continue to  
proceed with the installation.  
If a message asks you to restart your com-  
puter, restart your computer.  
3 Select the desired language from the  
menu and click the OK button. A dia-  
log box will appear.  
After restarting, connect the US-122L to  
your computer. The Windows Plug and  
Play system will detect the new USB hard-  
ware, and the Add New Hardware wizard  
will start up. The wizard will automatically  
find the necessary files. (This will take  
about 30 to 60 seconds.)  
4 Click the Install the Driver button.  
The drivers will be installed.  
The drivers are now installed, and the  
US-122L is ready to operate.  
TASCAM US-122L 11  
 
 
3 – Installation  
Installing the drivers for Mac OS X  
The US-122L’s drivers are provided on the  
CD-ROM as a package file entitled US-  
122L & US-144 driver x_yy.mpkg. (x_yy is  
the version number.) Simply double-click  
on this package file’s icon to launch it and  
follow the directions that appear on your  
screen.  
Installing Cubase LE  
1 Insert the Cubase LE CD-ROM into  
your computer.  
3
Enter the serial number of Cubase LE  
The Cubase LE serial number is  
affixed to the soft case of the Cubase  
LE disc.  
.
The opening screen will appear.  
4 When you have finished entering the  
information, click the OK button.  
5 Follow the instructions shown on the  
screen with the installation.  
When the installation is completed, a  
dialog box indicating that installa-  
tion was successful will appear, and  
then you will return to the opening  
screen.  
2 Click the Install Cubase LE button.  
6 Close the opening screen.  
Settings on your computer  
Here are a few basic points to help you set  
up your computer for best performance  
with audio applications.  
Internet tools) at the same time as your  
audio application, the processing may  
not happen fast enough.  
• Do not run other applications. You will  
probably use your computer for applica-  
tions other than audio, but we recom-  
mend that you avoid running other appli-  
cations at the same time you are running  
audio programs. Processing digital audio  
places a considerable load on your com-  
puter.  
• Certain devices such as network cards or  
WinModems can cause conflicts with  
USB processing. If you experience such  
a conflict, you can use the Device  
Manager to temporarily disable the  
offending device.  
• If your computer has an IDE hard disk,  
enabling Direct Memory Addressing  
(DMA) will improve performance. In  
Windows XP, this is enabled by default.  
This means that if you are running other  
applications (especially graphics or  
1ꢀ TASCAM US-122L  
 
 
4 – Control panel settings  
Overview  
The Control Panel lets you make various  
settings for the US-122L’s functionality.  
Setting section  
Here you can edit the various settings of  
The Control Panel is divided into the fol-  
lowing two sections.  
the driver.  
Status section  
This shows the current status of the driver  
and the connected hardware.  
You cannot edit the settings from this sec-  
tion.  
Driver settings  
Audio Performance  
The US-122L driver temporarily stores  
input and output audio samples in buffers.  
cessing faster. If the processing does not  
occur in time (e.g., if other system opera-  
tions are occurring), you may hear clicks,  
pops, or dropouts in the audio signal.  
The Audio Performance setting lets you  
adjust the buffer size. The Lowest Latency  
setting is the minimum buffer size, and the  
Highest Latency setting is the maximum  
buffer size.  
A larger buffer size provides more safety  
against such problems caused by other sys-  
tem activities, but will produce greater  
delay when monitoring the audio signal.  
The US-122L lets you select the buffer size  
that works best for your system.  
A smaller buffer size will reduce the delay  
when monitoring the input signal, but will  
require your computer to perform the pro-  
TASCAM US-122L 1ꢁ  
 
 
5 – Connections  
USB connections  
Using the included cable, connect the  
US-122L to your computer as shown in the  
illustration.  
NOTE  
Some USB devices access the USB bus  
frequently. To avoid dropouts and clicks  
in the audio signal, we strongly recom-  
mend that you do not connect other  
USB devices to the USB bus used by the  
US-122L.  
USB keyboards and mice are exceptions  
to this, and will probably not cause  
problems.  
Computer  
USB  
Audio connections  
Connect the output signal of your mic, gui-  
tar, keyboard, or other audio device to the  
US-122L, where it will be converted into  
digital audio and sent via USB to your  
computer. Connect the output of the  
US-122L to your speakers (via an amp) or  
headphones, so you will be able to monitor  
the audio signals coming into the US-122L  
or being produced by your computer.  
Mic  
Connect your mics to the MIC IN (L, R)  
jacks (XLR). If you are using a condenser  
mic that requires phantom power, turn on  
the phantom power.  
NOTE  
If you're using a  
condenser mic  
The US-122L has two input channels (L,  
R), with a MIC IN jack (XLR) and LINE IN  
jack (1/4” phone jack) provided for each  
channel. Do not connect signals to both  
of these analog input jacks at the same  
time. If both are connected, the signal  
will not be correctly input to the  
US-122L.  
1ꢂ TASCAM US-122L  
 
 
5 – Connections  
Guitar  
Analog record player  
Connect your guitar to the R-channel LINE  
IN jack (1/4” phone jack) and set the MIC/  
LINE-GUITAR switch to GUITAR.  
The output of an analog record player can-  
not be connected directly to the US-122L.  
You must connect a phono amp between  
your analog record player and the  
US-122L. (Alternatively, you can connect  
it via an audio amp that has PHONO  
inputs.)  
Guitar  
Phono amp or  
amp with PHONO input  
OUT  
Keyboard / drum machine /  
sound module / cassette deck /  
MD / CD etc. (analog connec-  
tion)  
Connect the analog audio output of these  
devices to the LINE IN (L, R) jacks (1/4”  
phone jack). If you use the R-channel, set  
the MIC/LINE-GUITAR switch to LINE.  
Analog record  
player  
Speakers/headphones  
Powered speakers,  
or amp and speakers  
Headphones  
Keyboard /  
drum machine /  
sound module /  
cassette deck /  
MD / CD or similar device  
OUT  
TASCAM US-122L 1ꢃ  
 
5 – Connections  
MIDI connections  
Connect your sound module, keyboard/  
synthesizer, drum machine, or other MIDI  
device to the US-122L as shown below.  
You can use the MIDI IN/MIDI OUT con-  
nectors to transmit and receive MTC  
(MIDI Time Code). This allows the MTC-  
compatible DAW (Digital Audio  
Workstation) computer application to syn-  
chronize with your MIDI equipment.  
USB  
Computer  
MIDI OUT  
MIDI IN  
Keyboard /  
synthesizer etc.  
USB  
Sound module etc.  
Computer  
MIDI IN  
MIDI OUT  
Sequencer /  
drum machine etc.  
1ꢄ TASCAM US-122L  
 
 
6 – Recording with Cubase LE  
This chapter explains the basics you will  
the user manual of your software.  
need to understand when using the  
US-122L with Cubase LE.  
If you have questions specific to Cubase  
LE, please refer to the Cubase LE user  
manual.  
This discussion is not intended to replace  
Input setting  
1 Start up Cubase LE. From the  
Devices menu, choose Device Setup.  
The Device Setup window will  
appear.  
4 From the Devices menu, choose VST  
Inputs to access the VST Inputs win-  
dow. Verify that the Port field shows  
the input name of the audio interface  
you are using, and that the Active  
indicator is lit.  
2 From the device list in the left side of  
the Device Setup window, choose VST  
Multitrac.  
3 In the right side of the window, click  
the Setup tab, specify the ASIO Driver  
for the interface that uses an ASIO  
driver, and click the Apply button.  
If you have connected the digital  
input, set the Clock Source to exter-  
nal.  
TASCAM US-122L 1ꢅ  
 
 
6 – Recording with Cubase LE  
5 From the File menu, choose New  
Project. A window will appear, allow-  
ing you to choose a template for your  
new project. Choose the desired tem-  
plate and press the OK button.  
Specify the location in which to save  
your project, and the new project  
will be created.  
Now you are ready to begin recording.  
Recording  
1 As the input for the track you want  
to record, choose an input channel of  
the audio interface you are using.  
Then press the REC FUNCTION but-  
ton to enable recording for that  
track.  
2 In the transport, press the REC but-  
ton to begin recording.  
STOP REC  
3 When you are finished recording,  
press the STOP button, and then  
press the REC button to disable  
recording. Rewind if necessary.  
REC FUNCTION  
4 Repeat steps 1, 2, and 3 to overdub  
additional tracks.  
1ꢆ TASCAM US-122L  
 
 
6 – Recording with Cubase LE  
Mixdown  
1 Move the left and right locators to  
specify the region that you want to  
mix down.  
3 In the Export Audio Mixdown dialog  
box, make the desired settings and  
then press the Save button.  
Specify the region  
2 From the File menu, choose Export ->  
Audio Mixdown.  
TASCAM US-122L 1ꢇ  
 
 
7 – Troubleshooting  
This chapter lists frequently asked ques-  
tions related to recording with Cubase LE,  
with answers to these questions.  
EQ bypass  
Q. I have finished making input  
settings, but the meter of the  
audio track is not moving.  
A. Make sure that the monitor button of  
the track is enabled.  
Q. I mixed-down a song that  
was three minutes long, but  
the result was only ten seconds  
long.  
A. Make sure that the left and right locator  
region is set to the entire range that you  
want to mix down.  
Monitor  
Q. I cannot set the locator  
region to more than ten min-  
utes.  
A. The default setting is ten minutes.  
From the Project menu, choose Project  
Setup and adjust the length of the project.  
Q. I would like to record two  
channels simultaneously for a  
stereo recording.  
A. Before you record, press the stereo/  
mono select button of the track so that the  
yellow indicator is lit. In this case, the  
track input is shown as In 1 + In 2 or a  
similar indication.  
Stereo/mono select  
Q. I am trying to use the EQ,  
but it does not seem to do any-  
thing.  
A. Check the VST channel settings etc. to  
make sure that EQ bypass is not enabled.  
ꢀ0 TASCAM US-122L  
 
 
7 – Troubleshooting  
Q. I performed a mixdown, but  
the automation and effects  
were not reflected in the mixdown.  
A. In the Export Audio Mixdown dialog  
box, make sure that automation and effects  
are enabled.  
Q. Using the ReWire protocol,  
can I record the incoming audio  
on a track?  
A. In Cubase LE, ReWire tracks do not  
Q. I made a CD using the WAV  
file I mixed-down, but the  
speed is obviously different.  
have recording capability.  
You will have to export the audio data, and  
then import it into an audio track.  
A. Could your project be set to 48 kHz?  
Q. I have connected an audio  
source to the US-122L, but can-  
not hear anything.  
If your ultimate objective is to create a CD,  
we recommend that you work in 44.1 kHz  
from the beginning.  
To specify the sample rate, pull down the  
Project menu, choose Project Settings, and  
set the sample rate to 44,100 Hz.  
A. Make sure that the input level is raised  
appropriately. If the input is analog, the  
green indicator will light when a signal is  
being input.  
Make sure that the monitor (or headphone)  
level is raised, and that the connections are  
correct.  
Q. The sound is distorted.  
A. Make sure that the signal is not over-  
loading. The ideal level is when the red  
indicator lights occasionally.  
TASCAM US-122L ꢀ1  
 
8 – MIDI Implementation Chart  
Function  
Transmitted  
Received  
Remarks  
Basic Channel  
At power ON  
Changed  
X
X
X
X
Through  
Mode  
At power ON  
Messages  
Altered  
X
X
X
X
Through  
*************  
X
Note  
Number  
X
Through  
Through  
Through  
Range  
Note ON  
Note OFF  
Polyphonic  
Channel  
*************  
Velocity  
X
X
X
X
X
X
X
X
After Touch  
Pitch Bender  
Control Change  
Program Change  
X
X
X
X
X
X
Through  
Through  
Through  
Range #  
*************  
X
System Exclusive  
System Common  
X
Through  
Through  
:Song Pos  
:Song Sel  
:Tune  
X
X
X
X
X
X
System  
:Clock  
:Commands  
:Local on/off  
:All note off  
:Active sensing  
:Reset  
X
X
X
X
X
X
X
X
X
X
X
X
Through  
Through  
Real Time  
Other  
Notes  
Mode 1: Omni on, Poly  
Mode 3: Omni off, Poly  
Mode 2: Omni on, Mono  
Mode 4: Omni off, Mono  
O:Yes  
X:No  
ꢀꢀ TASCAM US-122L  
 
 
9 – Specifications and performance  
Audio specifications  
Nominal input levels  
MIC IN L and  
R
(XLR balanced)  
–58 dBu (TRIM=max) to –14 dBu  
TRIM=min)  
(
MIC/LINE-GUITAR L and  
MIC/LINE position (1/4” jack, unbalanced)  
R
in  
–40 dBu (TRIM=max) to +4 dBu  
(TRIM=min)  
MIC/LINE-GUITAR R in GUITAR  
position (1/4” jack, unbalanced)  
51 dBu (TRIM=max) to –7 dBu  
(TRIM=min)  
Maximum input levels  
MIC L and  
R
(XLR balanced)  
+2 dBu (TRIM=min)  
+20 dBu (TRIM=min)  
+9 dBu (TRIM=min)  
MIC/LINE-GUITAR L and  
MIC/LINE position (1/4” jack, unbalanced)  
R
in  
MIC/LINE-GUITAR R in GUITAR  
position (1/4” jack, unbalanced)  
Input impedance  
MIC IN L and  
R
(XLR balanced)  
2.4 kΩ  
10 kΩ  
1 MΩ  
MIC/LINE-GUITAR L and  
MIC/LINE position (1/4” jack, unbalanced)  
R
in  
MIC/LINE-GUITAR R in GUITAR  
position (1/4” jack, unbalanced)  
Nominal output level  
LINE OUT (RCA unbalanced)  
Maximum output level  
LINE OUT (RCA unbalanced)  
Output impedance  
LINE OUT (RCA unbalanced)  
Maximum output power  
PHONES (1/4” stereo jack)  
–10 dBV  
+6 dBV  
100 Ω  
14 mW + 14 mW (32 Ω)  
TASCAM US-122L ꢀꢁ  
 
 
9 – Specifications and performance  
Audio performance  
Signal-to-noise ratio  
LINE IN (through ADC and DAC) to LINE > 96 dB (A-weighted, TRIM=min., input  
OUT  
impedance at 40 Ω)  
LINE IN (through direct monitor) to LINE > 100 dB (A-weighted, TRIM=min.,  
input impedance 40 Ω)  
OUT  
Total harmonic distortion (THD+N, 22 Hz to 22 kHz)  
LINE IN (through ADC and DAC) to LINE < 0.006% (1 kHz sine +20 dBu input,  
OUT  
TRIM=min.)  
LINE IN (through direct monitor) to LINE < 0.0.04% (1 kHz sine +20 dBu input,  
OUT  
TRIM=min.)  
Other characteristics  
Digital audio  
A/D Conversion (AK5381)  
D/A Conversion (AK4384)  
24-bit/96 kHz, 27.6 samples delay  
24-bit/96 kHz, 19.3 samples delay  
MIDI  
MIDI IN and MIDI OUT ports (DIN 5-pin)  
USB  
Conform to MIDI standards  
USB 2.0 Format  
USB port (down stream connector)  
Host computer compatibility  
Windows  
Windows XP  
Operating system  
Macintosh  
Mac OS 10.3.9 or later  
USB 2.0  
Communication  
Windows  
ASIO, ASIO2, GSIF2, WDM  
CoreAudio, CoreMIDI (OS X)  
Audio/MIDI interface  
protocols  
Macintosh  
Bundled software  
Cubase LE (for Windows or Macintosh),  
Gigastudio 3 LE (Windows only)  
ꢀꢂ TASCAM US-122L  
 
 
9 – Specifications and performance  
Physical characteristics  
Dimensions  
External dimensions (w x h x d)  
147 x 192 x 48 mm  
1 Kg  
Weight  
Power  
Supplied via USB  
5V, maximum current 500 mA  
Dimensions  
147 mm  
5.79 inch  
48 mm  
1.89 inch  
TASCAM US-122L ꢀꢃ  
 
 
Notes
ꢀꢄ TASCAM US-122L  
 
Notes  
TASCAM US-122L ꢀꢅ  
 
»
US-122L  
TEAC CORPORATION  
Phone: +81-422-52-5082  
3-7-3, Nakacho, Musashino-shi, Tokyo 180-8550, Japan  
TEAC AMERICA, INC.  
Phone: +1-323-726-0303  
7733 Telegraph Road, Montebello, California 90640  
TEAC CANADA LTD.  
Phone: +1905-890-8008 Facsimile: +1905-890-9888  
5939 Wallace Street, Mississauga, Ontario L4Z 1Z8, Canada  
TEAC MEXICO, S.A. De C.V  
Phone: +52-555-581-5500  
Campesinos No. 184, Colonia Granjes Esmeralda, Delegaacion Iztapalapa CP 09810, Mexico DF  
TEAC UK LIMITED  
Phone: +44-8451-302511  
Unit 19 & 20, The Courtyards Hatters Lane, Watford, Hertfordshire. WD18 8TE, U.K.  
TEAC EUROPE GmbH  
Phone: +49-611-71580  
Printed in China  
Bahnstrasse 12, 65205 Wiesbaden-Erbenheim, Germany  
 

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