Professional 24-bit USB Audio Interface User’s Guide
ESI - Copyright © 2018 Revision 1, May 2018 www.esi-audio.
ESI U108 PRE INDEX 1. Introduction .................................................................................................................................. 4 1.1 Features ................................................................................................................................................................ 4 2. Installation .................................................................................................................................... 6 2.
ESI U108 PRE 1. Introduction U108 PRE is a special USB 2.0 Hi-Speed audio recording interface providing a solution for a very basic requirement: connecting a lot of professional microphones for simultaneous multichannel recording at one time. U108 PRE provides a total of 10 high quality professional microphone preamps. Two XLR connectors are on the front panel, the others on the rear panel of the device.
ESI U108 PRE 4. switch for +48V phantom power for channels 7 to 10, use this switch to enable phantom power if required for a condenser microphone for inputs 7 to 10. 5. gain knobs for microphone inputs 3 to 10, allows you to control the input level which is indicated with the LEDs above it. 6. MONO switch, allows you to create a mix down for the input channels to a dual stereo signal (i.e. input channel 1 goes to channel 2 and input channel 2 goes to channel 1 for instance), for the monitor mix. 7.
ESI U108 PRE 2. Installation 2.1 System Recommendation U108 PRE is not simply a standard digital audio interface, but a high-resolution device capable of advanced processing of audio content. Even though U108 PRE is built to have low-CPU resource dependability, system specifications play a key part in the U108 PREs performance. Systems with more advanced components are generally recommended. Minimum System Requirements PC - Windows Windows 7 / 8 / 8.
ESI U108 PRE included Installation DVD, by double clicking on it. When launching the installer, Windows might display a security message. Make sure to allow the installation. After that, the following dialog on the left will appear. Click Next and then the dialog on the right will appear: Now click Install. Files are now being copied. After some time an additional dialog will appear: Confirm this by clicking Next.
ESI U108 PRE Once you see the window on the left, click Finish. In many cases, the window on the right appears then. We strongly suggest to select Yes, restart the computer now and then click Finish. You can connect U108 PRE to your computer anytime if not done yet and switch it on. Windows will automatically setup the system so you can use the device.
ESI U108 PRE 3. Control Panel This chapter describes the U108 PRE Control Panel and it's functions. Under Windows, to open the control panel double click on the ESI icon in the task notification area. Under macOS, there is an icon in the Applications folder. The following Control Panel dialog will appear: The panel has the following functions and sections: INPUTS The main part of the INPUTS section contains signal level meters for each and every physical input channel.
ESI U108 PRE 3.1 Latency settings Under Windows via Config > Latency in the Control Panel it is possible to change the latency setting (also called “buffer size”) for the driver of U108 PRE. A smaller latency is the result of a smaller buffer size and value. Depending on the typical application (e.g. for playback of software synthesizers) a smaller latency is an advantage. At the same time, the best latency setting indirectly depends on the performance of your system.
ESI U108 PRE 4. Specifications Key Features - 10 input / 8 output 24-bit / 96kHz USB 2.
ESI U108 PRE 5. General Information Trademarks ESI, U108 and U108 PRE are trademarks of ESI Audiotechnik GmbH. Windows is a trademark of Microsoft Corporation. Other product and brand names are trademarks or registered trademarks of their respective companies. The FCC and CE Regulation Warning This device complies with Part 15 of the FCC Rules.
