D i g i g r a m UAX220 Professional USB Audio Interface User’s manual
D i g i g r a m For technical support, please contact your supplier www.digigram.com Digigram S.A. Parc de Pré Milliet, 38330 Montbonnot - FRANCE Tel: +33 (0)4 76 52 55 01• Fax: +33 (0) 4 76 52 53 07• E-mail: info@digigram.com Digigram Inc. 2101 Wilson Boulevard, Suite 1004, Arlington, VA 22201-USA Tel: +1 703 875 9100 • Fax: +1 703 875 9161 • E-mail: input@digigram.com Digigram Asia Pte Ltd.
UAX220 User’s manual Table of Contents INFORMATION FOR THE USER ...................................................................4 IMPORTANT NOTICE ..............................................................................................5 CONTENTS OF THIS PACKAGE ....................................................................5 FEATURES ............................................................................................................................5 Main hardware features ............
D i g i g r a m INFORMATION FOR THE USER This device complies with part 15 of FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a CLASS B digital device, pursuant to Part 15 of the FCC Rules.
UAX220 User’s manual IMPORTANT NOTICE This device has been tested and found to comply with the following standards: • • • International: CISPR22 Class B Europe : EMC 89/336/CEE (1992) specifications. United States: FCC Rules-Part 15-Class B (digital device). CONTENTS OF THIS PACKAGE Thank you for purchasing a Digigram UAX220 USB audio device. The UAX220 package consists of the following components: * the UAX220 audio device * the user’s manual at hand * a carrying case Feel free to visit our web site www.
D i g i g r a m Main software features UAX220 complies with the USB Audio specification. Therefore, and depending on the operating system used, it is compatible with WDM DirectSound, ALSA, and CoreAudio. Furthermore, it is possible to use a third-party ASIO driver. HARDWARE REQUIREMENTS • • • A USB port (standard 1.
UAX220 User’s manual HOW TO CHECK THE INSTALLATION Once the UAX220 is connected to the USB port of your computer, you can check the accessibility of its inputs/outputs as described hereafter. Under Windows Go to .
D i g i g r a m Under Mac OS X Go to the . The UAX will be displayed as follows. Under Linux The UAX220 parameters are accessible from the sound editing application of your choice.
UAX220 User’s manual LEVEL CONTROLS The UAX220 provides level adjustment and mute controls on the outputs of the D/A converters. These controls are applied to both line and headphone outputs. By default, the output level of the D/A converter is set to maximum: a full scale digital signal of 0 dBfs is thus restored at +10 dBu. This operating mode is recommended to obtain finest audio quality.On the inputs, there are no controls available.
D i g i g r a m Control Panel under Windows To control the output levels of your UAX220, use the Volume Control application. To open this application, double-click onto the speaker icon in the Windows task bar. In case this icon is not displayed in the task bar, go to , , , . On the ‘Volume’ tab, check the box “Show volume icon in the task bar”. The UAX2200 offers Volume and Mute controls for the outputs.
UAX220 User’s manual ‘Speaker’ volume control The fader ‘Speaker’ modifies the output level of the D/A converter of UAX220. This control applies to both line output and headphones. The check box ‘Mute all’ in the speaker section allows muting/unmuting the outputs of your UAX220. ‘Wave’ volume control The volume and mute controls are applied to the audio stream read by the application.
D i g i g r a m Sound panel under Mac OS X The fader ‘Output volume’ modifies the output level of the D/A converter of UAX220. This control applies to both line output and headphones. The check box ‘Mute’ allows muting/unmuting the outputs of your UAX220.
UAX220 User’s manual CONFIGURATION UAX220 operates by default at an internal sample rate of 48 kHz. In case the files played back have a different sampling rate, the operating system performs a real-time frequency conversion. Under Windows XP (≥SP2) only, it is possible to modify the embedded firmware version of the UAX220 so that it accepts other internal sample rates: 8 kHz, 11.025 kHz, 16 kHz, 22.05 kHz, 24 kHz, 32 kHz, 44.1 kHz, 48 kHz. That makes it possible to work with files at e.g. 44.
D i g i g r a m SPECIFICATIONS Configuration Bus/Format Size Power consumption Operating: temperature/humidity (non-condensing) Storage: temp / humidity (non-condensing) USB1.1 (compatible USB 2.0) Box: 90 x 81 x 22 mm (3,55 x 3,19 x 0,87'') USB cable: 2 m (~6.6 ft) Audio cables: 0.5 m (~1.
UAX220 User’s manual Audio specifications Sampling frequencies available A/D and D/A converter resolution Frequency response Channel phase difference 20 Hz/20 kHz Dynamic range Distortion + noise at 1 kHz (record + play) Analog channel cross talk at 1 kHz Note: ∗ 48 ∗ kHz 24 bits / 96 kHz 20 Hz -20 kHz: ±0.2 dB <0.2°/2° Input: >104 dBA Output: >103 dBA Input: <-98 dB Output: <–97 dB Loop: <-93 dB 1 kHz at 10 dBu: <-110 dB 15 kHz at 10 dBu: <-95 dB All measurements are done at Fs=48 kHz.
D i g i g r a m APPENDICES Schematic diagram Monitoring CLOCK GENERATION LINE IN 1-2 ADC USB STREAMING CONTROLLER LINE OUT 1–2 DAC Level adjustement by software Headphones OUT Level adjustement by potentiometer USB Connector allocation XLR-3P Female 1 XLR-3 Pin # 1 2 3 Signal Ground Positive signal (‘hot pin’) Negative signal (‘cold pin’) 3 2 XLR-3P Male 2 Headphone connector: Contact Sleeve Tip Ring 16 Signal Ground Left channel Right channel 3 1
