US-144 Owner's Manual - 3.33 MB - Tascam

US-144 Owner's Manual - 3.33 MB - Tascam

Contents1 IntroductionOverview...................................... 5Features........................................ 5What is in the package................... 5Conventions used in this manual..... 62 Parts of the US-144Top panel..................................... 7Rear panel.................................... 8Front panel................................... 93 InstallationSystem requirements................ 10Windows XP.................................. 10Mac OS X....................................... 10Installing the drivers................. 11Installing the driversfor Windows XP........................11Installing the driversfor Mac OS X............................. 12Installing Cubase LE.................. 12Settings on your computer....... 125 ConnectionsUSB connections........................ 15Audio connections.................... 15MIDI connections...................... 176 Recording with Cubase LEInput setting.............................. 18Recording................................... 19Mixdown.................................... 207 Troubleshooting.............. 218 MIDI ImplementationChart................................... 239 Specifications andperformanceAudio specifications.................. 24Audio performance................... 25Other characteristics................. 25Physical characteristics.............. 26Dimensions................................ 264 Control panel settingsOverview.................................... 13Driver settings........................... 13Audio Performance....................... 13Sample Clock Source.................... 13Digital Output Format.................. 14 TASCAM US-144

1 – IntroductionPlease read this owner’s manual carefullybefore you begin using the US-144, and usethe product correctly as directed in order toensure long and trouble-free enjoyment ofall its functionality.After you have read this manual, keep itnearby for reference when required.We can accept no responsibility for anyloss of the data you record using this productonto other MIDI equipment in yoursystem or onto storage devices such ashard disk.OverviewThe US-144 is a USB-based audio interfacedesigned for use with Digital AudioWorkstation (DAW) software. It provides afour-input, four-output 24-bit 96 kHz audiointerface and a 16-channel MIDI interface.Because the US-144 is USB-based, it is theideal companion to any desktop- or laptopbaseddigital recording setup. And sincethe US-144 operates using only USBpower, you can use it with a laptop computerto create a very compact and portabledigital audio workstation system.The US-144 is also an ideal way to captureanalog sources such as records or cassettetapes into your computer and preservethem as audio CDs.Features••••24-bit / 96 kHz audio interface.Analog input signals (L, R) and digitalinput signals (L, R) can be input at thesame time and recorded simultaneouslyinto your computer via USB.Two XLR mic/line inputs (balanced) andtwo 1/4” phone mic/line inputs (balanced/unbalanced)are provided. One ofthe 1/4” phone inputs can be switched toallow direct input of an electric guitar orelectric bass (R channel only).Stereo digital input jack and stereo digitaloutput jack.What is in the packageThe US-144 package contains the followingitems.• US-144 main unit• USB cable• Owner’s manual (this document)••••Unbalanced stereo line output (RCAconnector) and headphone output.MIDI IN/OUT.Direct Monitor function allows zerolatencymonitoring of the input.Power is supplied by the USB connector.A note about computer operationIf you are unsure about how to performbasic computer operations appearing inthis manual, please refer to the owner’smanual that came with your computer.••CD-ROM (containing drivers and manuals)CD-ROM (Gigastudio 3 LE) [Windowsonly]CD-ROM (Cubase LE)•TASCAM US-144

1 – IntroductionConventions used in this manualThe following conventions are used in thismanual:Front panel keys, knobs, and indicators,and rear panel connectors are designatedin all-capital letters.Example: LINE IN jacksThis typeface is used to designate messagesdisplayed by the software.Example: Control Surface ProtocolThis typeface is used to designate softwaremenu functions and on-screen controllers.Example: ASIO Device TASCAM US-144

2 – Parts of the US-144Top panel1 LINE OUT level knob Controls theoutput level of the LINE OUT jacks.2 PHONES LEVEL knob Controls theoutput level of the PHONES jack.3 MIDI IN indicator Lights when MIDIdata is being received at the MIDI IN connector.MIDI OUT indicator Lights when MIDIdata is being transmitted from the MIDIOUT connector.4 USB indicator Lights to indicate avalid USB connection to the host computer.5 MON MIX balance knob Controlsthe balance of the signal sources being outputfrom the LINE OUT jacks and thePHONES jack. When this knob is turned tothe far left, the signal being input to theUS-144 (from the XLR jacks, or 1/4" phonejacks) will be output. When this knob isturned to the far right, the output signalreceived from the computer via USB willbe output.6 MONO switch Turn this switch ON ifyou want to monitor in monaural. Thisswitch affects only the analog input signal.7 INPUT knobs (L, R) Adjust the levelof the audio signal being input to the MICIN jacks and LINE IN jacks.TASCAM US-144

2 – Parts of the US-1448 SIG/OL indicators Light when signalsare being input to the input channels (L,R). They will light green to indicate a signalis present, and will light red immediatelybefore distortion occurs. These indicatorsapply only to the analog inputs.NOTEThese indicators will light green whenthe input signal level is in the range of -30 dBFS to -2 dBFS. The indicators willlight red when the input signal levelexceeds -2 dBFS.9 MIC/LINE-GUITAR select switch Setthis switch as appropriate for the inputsource you have connected to the LINE INjack R channel. Use the GUITAR position ifyou have directly connected an electricguitar or electric bass. Use the MIC/LINEposition if you have connected an electronicmusical instrument, audio device, or mic.0 PHANTOM switch Turns on the +48Vphantom power supplied to the MIC INjacks.WARNINGMicrophones should not be connectedto or disconnected from the US-144with phantom power switched on.Unbalanced dynamic microphonesshould never be connected to phantompoweredconnectors.NOTETurn this switch on only if you are usingcondenser microphones that requirephantom power.Please note that if you are operatingthe unit with a battery-powered laptopcomputer, the battery life of the computerwill be reduced if the PHANTOMswitch is on.Rear panelq USB connector Use a USB cable toconnect this to the host computer’s USB2.0 port.NOTEIf the US-144 is operating with a USB 1.1(Full Speed) connection, only two channelsof recording/playback will be available.w MIDI OUT connector TransmitsMIDI messages.e MIDI IN connector Receives MIDImessages. TASCAM US-144

2 – Parts of the US-144r LINE OUT L/R jacks (RCA connector,unbalanced) These are analog stereo outputjacks.t DIGITAL IN jack This is an RCA connectorthat inputs a stereo S/PDIF digitalsignal.y DIGITAL OUT jack This is an RCAconnector that outputs a stereo S/PDIF digitalsignal.NOTEThe US-144's DIGITAL IN/OUT jacksallow simultaneous input and output at24-bit/96 kHz.Front panelu MIC IN (L, R) jacks (XLR balanced)These are analog mic input jacks. The wiringis as follows: pin 1 = ground, pin 2 =hot, pin 3 = cold.i LINE IN (L, R) jacks (TRS 1/4" phonejacks) These are balanced line input jacks.The R channel also accommodates guitarinput. If the top panel MIC/LINE-GUITARselect switch is in the GUITAR position, theR jack operates as an unbalanced inputjack for guitar.If the MIC/LINE-GUITAR select switch is inthe MIC/LINE position, the R jack operatesas a balanced input jack. (Sleeve = ground,tip = hot, ring = cold)o PHONES jack (stereo 1/4" phone) Thisis a headphone output jack.TASCAM US-144

3 – InstallationSystem requirementsWindows XPSupported operating system: WindowsXP SP2Recommended system: Pentium orAthlon 1 GHz or faster (or equivalent processor),512 MB or more memory, USB 2.0portThese requirements are for when usingCubase LE. If you are using other applicationsoftware, you will need to consult theoperating requirements for the softwareyou are using.NOTEThe number of usable audio tracks willdepend on the speed of your hard disk.The faster your hard disk, the betteryour results will be.If the US-144 is operating with a USB 1.1(Full Speed) connection, only two channelsof recording/playback will be available.We recommend that you have at least256 MB of memory, but when using digitalaudio application software, themore memory you have the happier youwill be.Although this product has been checkedfor use with typical computers thatmeet the above operating requirements,we cannot guarantee that it willoperate with all computers that meetthese requirements. Please be awarethat even under the same conditions,processing capability may vary dependingon differences of the design andsystem.Mac OS X• Macintosh computer with a USB 2.0connector• Mac OS X 10.3.9 & higher on PowerPCMac systemsFor Macintosh as well, the more memoryyou have and the faster your hard disk, thehappier you will be when using digitalaudio application software10 TASCAM US-144

3 – InstallationInstalling the driversIn order to use the US-144, you must installthe appropriate drivers into your computer.As described below, this is an easy processusing the CD-ROM included with theUS-144.Drivers are updated from time to time. Youcan download the most recent version ofthe drivers from the TASCAM website.Do not connect the US-144 to your computerbefore you have installed the drivers.CAUTIONHandle the enclosed CD-ROM with care.If the disc becomes scratched or dirty,your computer may be unable to read itand the software cannot be installed. Ifthe disc becomes unreadable, a fee willbe charged for its replacement.WARNINGNever attempt to play the enclosed CD-ROM in a conventional audio CD player,as the resulting noise may damage yourspeakers or your hearing.Installing the drivers for Windows XPThe US-144’s drivers are provided on theCD-ROM as an executable installer entitledUS-122L & US-144 driver x_yy.exe.(x_yy is the version number.)Installation procedure1234Make sure that the US-144 is not connectedto your computer.Double-click the executable installationfile US-122L & US-144 driver x_yy.exe. The installer will start up.Select the desired language from themenu and click the OK button. A dialogbox will appear.Click the Install the Driver button.The drivers will be installed.NOTEDuring driver installation, a warningthat this software ... has not passedWindows Logo testing will appear. Thiswarning appears when you attempt toinstall a driver that has not passedWindows Logo testing; however, pleasebe assured that TASCAM has verifiedthat this driver for Windows XP doeswork correctly.If this message appears, click Continue toproceed with the installation.If a message asks you to restart your computer,restart your computer.After restarting, connect the US-144 toyour computer. The Windows Plug andPlay system will detect the new USB hardware,and the Add New Hardware wizardwill start up. The wizard will automaticallyfind the necessary files. (This will takeabout 30 to 60 seconds.)The drivers are now installed, and theUS-144 is ready to operate.TASCAM US-144 11

4 – Control panel settingsOverviewThe Control Panel lets you make varioussettings for the US-144’s functionality.The Control Panel is divided into the followingtwo sections.Setting sectionHere you can edit the various settings ofthe driver.Status sectionThis shows the current status of the driverand the connected hardware.You cannot edit the settings from this section.Driver settingsAudio PerformanceSample Clock SourceYou can set the clock source to Automaticor Internal.Automatic (default): If a signal is beinginput to the DIGITAL IN jack, its clock willbe used. If no signal is being input to theThe US-144 driver temporarily stores inputand output audio samples in buffers.The Audio Performance setting lets youadjust the buffer size. The Lowest Latencysetting is the minimum buffer size, and theHighest Latency setting is the maximumbuffer size.A smaller buffer size will reduce the delaywhen monitoring the input signal, but willrequire your computer to perform the processingfaster. If the processing does notoccur in time (e.g., if other system operationsare occurring), you may hear clicks,pops, or dropouts in the audio signal.A larger buffer size provides more safetyagainst such problems caused by other systemactivities, but will produce greaterdelay when monitoring the audio signal.The US-144 lets you select the buffer sizethat works best for your system.DIGITAL IN jack, the US-144’s internalclock will be used.Internal: The US-144’s internal clock willalways be used.TASCAM US-144 13

4 – Control panel settingsDigital Output FormatThis lets you choose either AES/EBU orS/PDIF as the digital output format.Many professional devices use an XLRconnector for AES/EBU. Special adaptersmay be purchased to convert between adigital audio RCA connector and digitalaudio XLR connector.USB 1.1 Mode Input SelectionThis item is shown only if the US-144 isconnected to a USB 1.1 port on the hostcomputer or to a USB 1.1 hub. In this case,the US-144 functions as a 2-in / 2-outaudio device, rather than the usual 4-in / 4-out. You can choose either Analog orDigital as the input source.14 TASCAM US-144

5 – ConnectionsUSB connectionsUsing the included cable, connect theUS-144 to your computer as shown in theillustration.ComputerNOTESome USB devices access the USB busfrequently. To avoid dropouts and clicksin the audio signal, we strongly recommendthat you do not connect otherUSB devices to the USB bus used by theUS-144.USB keyboards and mice are exceptionsto this, and will probably not causeproblems.USBAudio connectionsConnect the output signal of your mic, guitar,keyboard, or other audio device to theUS-144, where it will be converted intodigital audio and sent via USB to yourcomputer. Connect the output of theUS-144 to your speakers (via an amp) orheadphones, so you will be able to monitorthe audio signals coming into the US-144or being produced by your computer.NOTEThe US-144 has two input channels (L,R), with a MIC IN jack (XLR) and LINE INjack (1/4” phone jack) provided for eachchannel. Do not connect signals to bothof these analog input jacks at the sametime. If both are connected, the signalwill not be correctly input to theUS-144.MicConnect your mics to the MIC IN (L, R)jacks (XLR). If you are using a condensermic that requires phantom power, turn onthe phantom power.If you're using acondenser micTASCAM US-144 15

5 – ConnectionsGuitarConnect your guitar to the R-channel LINEIN jack (1/4” phone jack) and set the MIC/LINE-GUITAR switch to GUITAR.Sound module / MD / CD etc.(digital connection)Connect the digital audio output of thesedevices to the DIGITAL IN jack.DIGITAL OUTSound module /MD / CD or similar deviceDIGITAL INGuitarKeyboard / drum machine /sound module / cassette deck /MD / CD etc. (analog connection)Connect the analog audio output of thesedevices to the LINE IN (L, R) jacks (1/4”phone jack). If you use the R-channel, setthe MIC/LINE-GUITAR switch to LINE.NOTEThe US-144’s digital input jack is an RCAconnector.Analog record playerThe output of an analog record player cannotbe connected directly to the US-144.You must connect a phono amp betweenyour analog record player and the US-144.(Alternatively, you can connect it via anaudio amp that has PHONO inputs.)OUTKeyboard /drum machine /sound module /cassette deck /MD / CD or similar deviceOUTAnalog recordplayerPhono amp oramp with PHONO input16 TASCAM US-144

5 – ConnectionsSpeakers/headphonesHeadphonesPowered speakers,or amp and speakersMIDI connectionsConnect your sound module, keyboard/synthesizer, drum machine, or other MIDIdevice to the US-144 as shown below.You can use the MIDI IN/MIDI OUT connectorsto transmit and receive MTC(MIDI Time Code). This allows the MTCcompatibleDAW (Digital AudioWorkstation) computer application to synchronizewith your MIDI equipment.USBComputerMIDI INSound module etc.MIDI OUTKeyboard /synthesizer etc.USBComputerMIDI INMIDI OUTSequencer /drum machine etc.TASCAM US-144 17

6 – Recording with Cubase LEThis chapter explains the basics you willneed to understand when using the US-144with Cubase LE.This discussion is not intended to replacethe user manual of your software.If you have questions specific to CubaseLE, please refer to the Cubase LE usermanual.Input setting1Start up Cubase LE. From theDevices menu, choose Device Setup.The Device Setup window willappear.23From the device list in the left side ofthe Device Setup window, choose VSTMultitrac.In the right side of the window, clickthe Setup tab, specify the ASIO Driverfor the interface that uses an ASIOdriver, and click the Apply button.If you have connected the digitalinput, set the Clock Source to external.4From the Devices menu, choose VSTInputs to access the VST Inputs window.Verify that the Port field showsthe input name of the audio interfaceyou are using, and that the Activeindicator is lit.18 TASCAM US-144

5From the File menu, choose NewProject. A window will appear, allowingyou to choose a template for yournew project. Choose the desired templateand press the OK button.Specify the location in which to saveyour project, and the new projectwill be created.6 – Recording with Cubase LENow you are ready to begin recording.Recording1As the input for the track you wantto record, choose an input channel ofthe audio interface you are using.Then press the REC FUNCTION buttonto enable recording for thattrack.REC FUNCTION234In the transport, press the REC buttonto begin recording.STOPRECWhen you are finished recording,press the STOP button, and thenpress the REC button to disablerecording. Rewind if necessary.Repeat steps 1, 2, and 3 to overdubadditional tracks.TASCAM US-144 19

6 – Recording with Cubase LEMixdown1Move the left and right locators tospecify the region that you want tomix down.3In the Export Audio Mixdown dialogbox, make the desired settings andthen press the Save button.Specify the region2From the File menu, choose Export ->Audio Mixdown.20 TASCAM US-144

7 – TroubleshootingThis chapter lists frequently asked questionsrelated to recording with Cubase LE,with answers to these questions.Q. I have finished making inputsettings, but the meter of theaudio track is not moving.A. Make sure that the monitor button ofthe track is enabled.MonitorQ. I would like to record twochannels simultaneously for astereo recording.A. Before you record, press the stereo/mono select button of the track so that theyellow indicator is lit. In this case, thetrack input is shown as In 1 + In 2 or asimilar indication.EQ bypassQ. I mixed-down a song thatwas three minutes long, butthe result was only ten secondslong.A. Make sure that the left and right locatorregion is set to the entire range that youwant to mix down.Q. I cannot set the locatorregion to more than ten minutes.A. The default setting is ten minutes.From the Project menu, choose ProjectSetup and adjust the length of the project.Stereo/mono selectQ. I am trying to use the EQ,but it does not seem to do anything.A. Check the VST channel settings etc. tomake sure that EQ bypass is not enabled.TASCAM US-144 21

7 – TroubleshootingQ. I performed a mixdown, butthe automation and effectswere not reflected in the mixdown.A. In the Export Audio Mixdown dialogbox, make sure that automation and effectsare enabled.Q. I made a CD using the WAVfile I mixed-down, but thespeed is obviously different.A. Could your project be set to 48 kHz?If your ultimate objective is to create a CD,we recommend that you work in 44.1 kHzfrom the beginning.To specify the sample rate, pull down theProject menu, choose Project Settings, andset the sample rate to 44,100 Hz.Q. Using the ReWire protocol,can I record the incoming audioon a track?A. In Cubase LE, ReWire tracks do nothave recording capability.You will have to export the audio data, andthen import it into an audio track.Q. I have connected an audiosource to the US-144, but cannothear anything.A. Make sure that the input level is raisedappropriately. If the input is analog, thegreen indicator will light when a signal isbeing input.Make sure that the monitor (or headphone)level is raised, and that the connections arecorrect.Q. The sound is distorted.A. Make sure that the signal is not overloading.The ideal level is when the redindicator lights occasionally.22 TASCAM US-144

8 – MIDI Implementation ChartFunction Transmitted Received RemarksBasic Channel At power ONXX ThroughChangedXXModeAt power ONXX ThroughMessagesAlteredX*************XNoteXX ThroughNumberRange*************VelocityNote ONXX ThroughNote OFFXXAfter Touch PolyphonicXX ThroughChannelXXPitch Bender X X ThroughControl Change X X ThroughProgram ChangeXX ThroughRange #*************System Exclusive X X ThroughSystem CommonSystemReal TimeOtherNotes:Song Pos:Song Sel:Tune:Clock:Commands:Local on/off:All note off:Active sensing:ResetXXXXXXXXXXXXXXXXXXThroughThroughThroughMode 1: Omni on, Poly Mode 2: Omni on, Mono O:YesMode 3: Omni off, Poly Mode 4: Omni off, Mono X:NoTASCAM US-144 23

9 – Specifications and performanceAudio specificationsNominal input levelsMIC IN L and R (XLR balanced)MIC/LINE-GUITAR L and R inMIC/LINE position (1/4” jack, unbalanced)MIC/LINE-GUITAR R in GUITARposition (1/4” jack, unbalanced)–58 dBu (TRIM=max) to –14 dBu(TRIM=min)–40 dBu (TRIM=max) to +4 dBu(TRIM=min)–51 dBu (TRIM=max) to –7 dBu(TRIM=min)Maximum input levelsMIC L and R (XLR balanced)+2 dBu (TRIM=min)MIC/LINE-GUITAR L and R inMIC/LINE position (1/4” jack, unbalanced)MIC/LINE-GUITAR R in GUITARposition (1/4” jack, unbalanced)+20 dBu (TRIM=min)+9 dBu (TRIM=min)Input impedanceMIC IN L and R (XLR balanced)2.4 kΩMIC/LINE-GUITAR L and R inMIC/LINE position (1/4” jack, unbalanced)MIC/LINE-GUITAR R in GUITARposition (1/4” jack, unbalanced)10 kΩ1 MΩNominal output levelLINE OUT (RCA unbalanced)Maximum output levelLINE OUT (RCA unbalanced)Output impedanceLINE OUT (RCA unbalanced)–10 dBV+6 dBV100 ΩMaximum output powerPHONES (1/4” stereo jack) 14 mW + 14 mW (32 Ω)24 TASCAM US-144

9 – Specifications and performanceAudio performanceSignal-to-noise ratioLINE IN (through ADC and DAC) to LINEOUTLINE IN (through direct monitor) to LINEOUT> 96 dB (A-weighted, TRIM=min., inputimpedance at 40 Ω)> 100 dB (A-weighted, TRIM=min., inputimpedance 40 Ω)Total harmonic distortion (THD+N, 22 Hz to 22 kHz)LINE IN (through ADC and DAC) to LINEOUTLINE IN (through direct monitor) to LINEOUT< 0.006% (1 kHz sine +20 dBu input,TRIM=min.)< 0.0.04% (1 kHz sine +20 dBu input,TRIM=min.)Other characteristicsDigital audioA/D Conversion (AK5381)D/A Conversion (AK4384)24-bit/96 kHz, 27.6 samples delay24-bit/96 kHz, 19.3 samples delayMIDIMIDI IN and MIDI OUT ports (DIN 5-pin)Conform to MIDI standardsUSBUSB port (down stream connector)USB 2.0 FormatHost computer compatibilityOperating systemWindowsMacintoshWindows XPCommunication USB 2.0Audio/MIDI interfaceprotocolsBundled softwareWindowsMac OS 10.3.9 or laterASIO, ASIO2, GSIF2, WDMMacintosh CoreAudio, CoreMIDI (OS X)Cubase LE (for Windows or Macintosh),Gigastudio 3 LE (Windows only)TASCAM US-144 25

9 – Specifications and performancePhysical characteristicsDimensionsExternal dimensions (w x h x d)WeightPowerSupplied via USB147 x 192 x 48 mm1 Kg5V, maximum current 500 mADimensions192 mm7.56 inch147 mm5.79 inch48 mm1.89 inch26 TASCAM US-144

9 – Specifications and performance NotesTASCAM US-144 27

»US-144TEAC CORPORATIONPhone: +81-422-52-50823-7-3, Nakacho, Musashino-shi, Tokyo 180-8550, JapanTEAC AMERICA, INC.Phone: +1-323-726-03037733 Telegraph Road, Montebello, California 90640TEAC CANADA LTD.Phone: +1905-890-8008 Facsimile: +1905-890-98885939 Wallace Street, Mississauga, Ontario L4Z 1Z8, Canadawww.tascam.comwww.tascam.comwww.tascam.comTEAC MEXICO, S.A. De C.VPhone: +52-555-581-5500www.tascam.comCampesinos No. 184, Colonia Granjes Esmeralda, Delegaacion Iztapalapa CP 09810, Mexico DFTEAC UK LIMITEDPhone: +44-8451-302511Unit 19 & 20, The Courtyards Hatters Lane, Watford, Hertfordshire. WD18 8TE, U.K.TEAC EUROPE GmbHPhone: +49-611-71580Bahnstrasse 12, 65205 Wiesbaden-Erbenheim, in China

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