ESI U46DJ User Manual
U46DJ ESI
INDEX
1. Introduction..................................................................................................................................2
1.1. What’s in the box .................................................................................................................. 2
1.2. Key Features.......................................................................................................................... 3
2. Description of U46DJ................................................................................................................... 4
2.1. Front Panel ............................................................................................................................ 4
2.2. Rear Panel..............................................................................................................................5
2.3. Connection with external devices..........................................................................................6
3. Hardware Installation .................................................................................................................7
3.1. Minimum system requirements.............................................................................................7
3.2. Installation............................................................................................................................. 7
4. Driver Installation........................................................................................................................ 8
5. U46DJ Control Panel................................................................................................................. 12
5.1. Pull Down Menu ................................................................................................................. 12
5.2. Input Section........................................................................................................................14
5.3. Output Section.....................................................................................................................15
6. Applications Setup.....................................................................................................................16
6.1. Windows Multimedia setup.................................................................................................16
6.2. Latency setting on ASIO applications.................................................................................17
6.3. Tracktion .............................................................................................................................18
6.4. Cubase and Nuendo............................................................................................................ 19
6.5. Wavelab............................................................................................................................... 20
6.6. BPM Studio.........................................................................................................................21
7. Technical Specifications ............................................................................................................ 22
END USER WARRANTY ............................................................................................................24
V.1 July 2005
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U46DJ ESI
1. Introduction
Thank you for choosing the ESI U46DJ.
U46DJ is an ideal mobile recording interface for both laptops and desktop computers. It offers a 4-
in 6-out multi-channel audio interface with a separate Mix output. 2 Phono inputs make the unit a
perfect portable solution for digital DJs, compatible with all current major DJ software applications.
U46DJ’s flexible 4 inputs provide you to record from a variety of sources. There are 2 Phono inputs,
2 stereo Line inputs, and a MIC input with +48V phantom power and Hi-Z (E.Guitar) input.
6 line level analog outputs allow you to connect various external devices or to a 5.1 DVD surround
connection. A separate Mix output and headphone output allows you to monitor your inputs and
outputs directly. U46DJ offers all these features in a rugged, compact package that can travel with
you anywhere.
Even if you are an experienced professional, please take some time to read through this user manual
and familiarize yourself with the U46DJ’s features and operation. You may also want to refer to
your audio software’s documentation to better understand how the U46DJ’s features are integrated
with your program. Your experience and enjoyment of your U46DJ will be greatly enhanced by a
good working knowledge of your audio software.
1.1. What’s in the box
U46DJ USB audio interface
Driver CD with UAT bundle software
Tracktion Software CD
User manual
USB cable
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U46DJ ESI
1.2. Key Features
- 4-in 6-out multi purpose USB audio interface
- 2 Phono inputs and 4 Line inputs
- MIC inputs with gain control
- +48V phantom power for condenser Microphone
- Direct instrument input for E.guitars (Hi-Z) with gain control
- 6 line level analog outputs with separate Mix outputs
- Headphone out with level control
- 4 channel recording and 6 channel playback at the same time – Full Duplex
- 4-in 6-out at 44.1 kHz, 4-in 4-out at 48 kHz.
- WDM, MME, ASIO, and DirectSound support
- Ultimate Audio tools software package with the full version of Tracktion
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U46DJ ESI
2. Description of U46DJ
2.1. Front Panel
(1) Channel 1/2 input connector
- Input source (MIC/LINE/PHONO) selector: This is where you select input sources of channel
1/2.
- MIC input connector: Connect your Microphone to this Balanced 1/4” connector.
- +48V Phantom power switch: Supply +48V DC phantom power to input channels 1/2
simultaneously by pressing the button
- Gain control for MIC input: Control input level of microphone
(2) Channel 3/4 input connector
- Input source (Hi-Z/LINE/PHONO) selector: This is where you select input sources of channel
3/4.
- Hi-Z input connector: Connect an electric guitar or bass guitar to this unbalanced 1/4”
connector. Only unbalanced 1/4” phone jack connection is available for this setting.
- Gain control for Hi-Z input: Control input level of E.guitar
(3) Headphone output with Headphone volume control: Monitor all input sources and output
sources through the headphone output. Output level can be adjusted with the control knob.
(4) Power Switch
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U46DJ ESI
2.2. Rear Panel
(1) External Power supply connector:
If you use a microphone that requires phantom power, especially with a laptop computer,
it’s strongly recommended to use a DC +9V/500mA adapter (not included). When you turn
on U46DJ or when you turn on/off phantom power, the current peak level might go over
500mA.
(2) USB connector: Connects the USB cable to the computer.
(3) Input 1~4: The turntable inputs and line level inputs share same connectors. The RCA turntable
inputs feed an RIAA equalized preamp designed to accept moving magnet type phono cartridges.
(4) Output 1~6: You can use these outputs to connect to various external devices or to a 5.1 DVD
surround connection.
(5) Mix output: You can monitor all input sources and output sources through the Mix output.
Usually, you can use Mix out to connect to powered monitor speakers.
(6) Ground lug: When you use a turn-table, Connect the ground lead from your turntable to the
ground lug to help prevent hum.
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U46DJ ESI
2.3. Connection with external devices
U46DJ is a piece of multimedia digital audio equipment that allows various uses. This means there
are many different ways to connect other devices to the U46DJ. The below figure describes which
devices can be connected with U46DJ.
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U46DJ ESI
3. Hardware Installation
3.1. Minimum system requirements
Intel Pentium III 600MHz CPU or equivalent AMD CPU
256MB of RAM
Direct X 8.1 or higher
Microsoft Windows®XP
One available USB port
3.2. Installation
Before driver installation, please locate your original Windows CD, as you may need it during
installation. If you have a motherboard with a new chipset, please install the recent patches
provided by your motherboard or chipset manufacturers.
Find the USB port on your computer. A sample USB port is pictured below. It is typically located
next to the PS/2 or serial ports on the back of your computer.
Plug the U46DJ’s USB cable (Series A plug type) into the USB port of your computer.
Turn on the U46DJ’s power button. After that, you will see on power light on the U46DJ’s front
panel. The U46DJ gets the power from the computer via USB cable. You can also use an external
Power supply if you have one.
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U46DJ ESI
4. Driver Installation
After connecting and turning on the U46DJ, your computer will automatically detect the U46DJ as
a USB Composite Device and will proceed with the installation.
1. To confirm the installation of the U46DJ, go to ‘Start-> Settings-> Control Panel -> System ->
Device Manager’. Confirm that two (2) instances of “USB Audio Device” are listed under ‘Sound,
video and game controllers’ and that one (1) “USB Composite Device” is listed under ‘Universal
Serial Bus controllers’.
2. Check your system.
Go to: Control Panel > Sounds and Audio Devices > Audio
Please check your audio devices are installed properly.
Important note
Due to the limitations of the USB 1.1 driver, audio output at 48 kHz sample rate is limited to 4
channels. If you need better audio quality and don’t need all 6 outputs, you can choose the 48
kHz driver. If you need all 6 outputs for your work, you must choose the 44.1 kHz driver.
- the WDM device ‘U46DJ’ is a 44.1 kHz fixed driver. There is another WDM driver
‘U46DJ(2)’ that is fixed at 48 kHz
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