Tascam US-2x2 Reference Manual

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Tascam US-2x2 Reference Manual Manual pdf 11 page image

TASCAM US-2x2/US-4x4 115 – ConnectionsConnecting other equipmentThis is an example of US-4x4 connections.8 Precautions before making connections• Carefully read the operation manuals of the devices to beconnected and then connect them correctly.• Before making connections, turn this unit and allequipment to be connected off (standby).• If possible, install all connected devices so that they arepowered from the same AC power supply line. When usinga power strip or similar device, be sure to use one thathas high current capacity in order to minimize voltagefluctuations in the AC power supply.Vocal mic Vocal micHeadphonesGuitarBass GuitarExamples of connections to a US-4x4 (front)Powered monitor speakerswith balanced connectionsPowered monitor speakersDrum machine ComputerUSB-B plugExamples of connections to a US-4x4 (back)Computer connectionsUse the included USB cable to connect the unit to a computerUSB 3.0/2.0 port. When the USB connection is working, the USBindicator on the front of the unit lights.CAUTIONIf you connect this unit to a computer via a USB hub, forexample, audio signal dropouts, clicking noises and otherinterference could occur due to the influence of other USBdevices connected to that hub. For this reason, we stronglyrecommend connecting this unit to a separate USB port.Connecting USB keyboards and mice, however, to the samebus should not be a problem.Audio connectionsAnalog audio signals input into this device from mics, guitars,keyboards and other audio equipment can be converted intodigital signals and transmitted to the computer via USB. Inaddition, by connecting speakers (through an amplifier if notpowered) or headphones to this unit, you can monitor audiosignals that are input to this unit and output from the computer.CAUTIONBefore connecting audio equipment, set the GAIN, LINEOUT and PHONES knobs to their lowest values. Failureto do so could cause sudden loud noises from monitoringequipment, and this could damage the equipment or harmhearing.Microphones• Dynamic micsConnect these to the IN1/IN2 jacks (and US-4x4 IN3/IN4jacks) on the front of the unit• Condenser micsWhen using condenser mics that require phantom power,connect them to the IN1/IN2 jacks (and US-4x4 IN3/IN4jacks) on the front of the unit, and set the phantom powerswitch to +48V.When the phantom power switch is set to +48V, the phantompower indicator on the front of the unit lights.CAUTION• Before making connections, turn this unit and all equipmentto be connected off (standby).• The phantom power switch changes the setting for bothUS-2x2 input channels (all four US-4x4 input channels)simultaneously. Do not turn phantom power +48V whenconnecting a mic that does not require phantom power.• Do not connect or disconnect mics while phantom power is+48V. Doing so could cause a loud noise and might damagethis unit and connected equipment.• Set the LINE OUT and PHONES knobs to their minimumvalues before turning phantom power +48V/OFF.Depending on the connected mics, sudden loud noises frommonitoring equipment could occur, and this could damagethe equipment or harm hearing.• Set the phantom power switch to +48V only when using acondenser microphone that requires phantom power.Turning phantom power +48V when a dynamic mic or othermic that does not require it is connected could damage thisunit and connected equipment.• When using condenser mics that require phantom powerand dynamic mics together, be sure to use balanceddynamic mics. Unbalanced dynamic mics cannot be usedwhen phantom power is enabled.• Supplying phantom power to some ribbon mics will breakthem. If you are unsure, do not supply phantom power to aribbon mic.GuitarWhen connecting a guitar or bass guitar directly to this unit, usethe IN1 or IN2 jack on the front of the unit and set the MIC/LINEINST switch for that jack to INST.Electronic instruments and other audioequipmentWhen connecting an electronic instrument or other audioequipment directly to this unit, use the IN1 and IN2 jacks on the