Tascam US-125M Owner'S Manual Download Page 5

TASCAM US-125M  

5

Thank you very much for purchasing a TASCAM US-125M Mixing Audio Interface. 
Please read this manual thoroughly before using the unit so that you understand 

correct operating procedures and can use its functions fully. We hope that you enjoy 

using this unit for many years.
Please keep this manual so that you can read it at any time. A digital copy of this manual 

can also be downloaded from our website (http://tascam.com/)

About the product

This compact USB audio interface is ideal for easily mixing sounds from a variety of 

sources such as a computer, a music player, a guitar, synthesizer or other instrument as 

well as a microphone, which could be used for narration. This mix can then be used for 

live broadcasting over the Internet or in a computer-based digital recording system. 

Moreover, when not using this mixer as a USB audio interface, you can use it as a stand-

alone analog mixer by powering it with an adaptor. (The TASCAM PS-P515U AC adaptor, 

which is sold separately, meets the specifications of this unit.) Ordinarily, this unit can be 

operated using only USB power, so you can use it together with a notebook computer 

to make an extremely compact audio mixing and recording system.

Features

USB audio interface with 2 channels of audio input and output 

• 

Supports 32/44.1/48 kHz, 16-bit formats

• 

Direct monitoring allows latency-free input monitoring 

• 

Two balanced MIC inputs (XLR and standard TRS) and a mini-jack MIC input (only one 

• 

can be used for input at a time) 
Stereo line input jacks (RCA pin) 

• 

Phone jack supports high impedance input for connecting guitars and other 

• 

instruments
Indicators for checking audio signal input and signal overloads

• 

Analog limiter can prevent distortion even with loud mic input signals 

• 

Loop mix function allows the output signal from the computer to be mixed with 

• 

other input signals and sent back to the computer
Stereo line output jacks (RCA pin)

• 

Headphones output jack (3.5mm stereo mini-jack) 

• 

Power supplied through the USB port 

• 

Output level adjustment knob controls output volume 

• 

Operates with the standard Windows XP/Vista/7 (WDM) and Mac OS X (Core Audio) 

• 

audio drivers
Supports Windows XP/Vista/7 (32/64-bit editions) and Mac OS 10.3.9 or later

• 

Can be operated as a standalone mixer using a TASCAM PS-P515U AC adaptor (sold 

• 

separately) 

About use with a computer 
If you have any questions about the basic operation of your computer when it is 

mentioned in this manual, please see its manual.

Included items

This product includes the following items.
Take care when opening the package not to damage the items. Keep the package 

materials for transportation in the future.
Please contact the retailer where you purchased this unit if any of these items are 

missing or have been damaged during transportation.

Main unit

• 

 ................................................................................................................................................... 1

USB cable (1.5 m)

• 

 ................................................................................................................................... 1

A warranty card

• 

 ...................................................................................................................................... 1

Quick Start Guide

• 

 ................................................................................................................................... 1

Conventions used in this manual

In this manual, we use the following conventions:

Buttons, jacks and other parts on the main unit and external devices are indicated 

• 

like this: MIC

When we show messages, for example, that appear on the screen, we show them like 

• 

this: 

OK

.

1 − Introduction

Summary of Contents for US-125M

Page 1: ...US 125M USB Mixing Audio Interface D01160020A OWNER S MANUAL...

Page 2: ...7733 Telegraph Road Montebello California U S A Telephone number 1 323 726 0303 This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device ma...

Page 3: ...incorrect type of battery Replace only with the same or equivalent type Caution should be taken when using earphones or headphones with the product because excessive sound pressure volume from earphon...

Page 4: ...onnecting with a computer 8 Using a power adaptor 8 Connecting microphones 9 Connecting instruments and mono sound sources 9 Connecting line input devices 9 Connecting monitor speakers 10 Connecting h...

Page 5: ...can be used for input at a time Stereo line input jacks RCA pin Phone jack supports high impedance input for connecting guitars and other instruments Indicators for checking audio signal input and sig...

Page 6: ...following types of places Doing so could degrade the sound quality and or cause malfunctions Places with significant vibrations or that are otherwise unstable Near windows or other places exposed to...

Page 7: ...uts LINE OUT jacks Turn right to increase the output volume 0 MIC IN jack 3 5mm mini jack Connect a mic that can use plug in power here q PHONES jack 3 5mm stereo mini jack Connect headphones here Whe...

Page 8: ...ght stay lit even after the connected computer is shut down This shows that the shutdown computer is still supplying power through the USB cable Using a power adaptor By using a TASCAM PS P515U AC ada...

Page 9: ...es not provide phantom power If you want to use a condenser microphone that requires it you will need to prepare an external phantom power supply The MIC output sound is centered in the stereo field C...

Page 10: ...necting headphones Connect headphones to the PHONES jack 3 5mm stereo mini jack on the front of the interface When using a headset connect the microphone output to the MIC IN jack 3 5mm mini jack on t...

Page 11: ...edures below restart the computer After making these settings sound will be output from this interface but sound will not be output from the computer speakers or headphones connected to the computer W...

Page 12: ...tton is ON it can prevent distortion from sudden loud mic input signals Overload indicator 6 Set whether or not the signal output from the computer is returned to the computer after being mixed with o...

Page 13: ...the windows to close them Windows XP 1 Quit all applications and open the Control Panel from the start menu 2 Open the Sounds and Audio Devices panel NOTE If you do not see the above panel click Sound...

Page 14: ...l This adjusts the output levels of both the LINE OUT and PHONES jacks Set the level of the Device volume to High maximum Do not check Mute Then click OK at the bottom of the window to close it Mac OS...

Page 15: ...s Set the LOOP MIX switch according to how you are using the mixer ON Use for live Internet broadcasts for example OFF Use with an audio application for example Loop mix switch NOTE When streaming aud...

Page 16: ...15U AC adaptor sold separately instead of a computer to the interface by USB you can use it as a stand alone mixer During stand alone operation since the unit is not connected to a computer there is n...

Page 17: ...t both the power cord and USB cable are connected completely The interface is not recognized by the computer If some problem occurs and the unit is not recognized by the computer check the following 1...

Page 18: ...Windows XP 1 Right click My Computer or open the System Control Panel and select Properties 2 Click the Advanced tab 3 Click Settings in the Performance section 4 On the Performance Option screen sel...

Page 19: ...jack Tip HOT Sleeve GND Input impedance 1 M Maximum input level 6 dBV LINE IN unbalanced jacks Connectors RCA pin jacks Nominal input level 15 dBV Maximum input level 21 dBV LINE OUT unbalanced jacks...

Page 20: ...X Core Audio Macintosh standard driver General Power By USB from a computer Using a TASCAM PS P515U AC adaptor sold separately Power consumption 1 W Dimensions W x H x D 150 x 42 x 122 mm 5 906 x 1 65...

Page 21: ...TASCAM US 125M 21 Notes...

Page 22: ...22 TASCAM US 125M Notes...

Page 23: ...TASCAM US 125M 23 Notes...

Page 24: ...5939 Wallace Street Mississauga Ontario L4Z 1Z8 Canada TEAC MEXICO S A de C V http www teacmexico net Phone 52 55 5010 6000 R o Churubusco 364 Colonia Del Carmen Delegaci n Coyoac n CP 04100 M xico D...

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