Asus Xonar Essence STU Operation & User’s Manual

Text of Asus Xonar Essence STU User Guide:

• Asus Xonar Essence STU, E8252 First Edition March 2013 Copyright © 2013 ASUSTeK Computer Inc. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”). Product warranty or service will not be extended if: (1) the product is repaired, modied or altered, unless such repair, modication of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or m

• Asus Xonar Essence STU, Contents Introduction ............................................................................................ 4 Package contents .................................................................................. 4 Safety Information ................................................................................. 5 Wet Location ..................................................................................................6 Outdoor Use ...................................................................................................6 Disconnect Device - The Main Plug or an Appliance Coupler ........................6 Driver installation ......................................

• Asus Xonar Essence STU, 4 ASUS Xonar Essence STU Introduction Xonar Essence STU USB DAC is ASUS Xonar’s innovative response to the world-wide trend of PC Hi-Fi. With PC audiophile’s number growing fast according to the convenience and high resolution of digitalized audio contents, Xonar Essence product line is committed to provide solution for their needs to enjoy extreme high-delity music with any PC. Xonar Essence STU grants any PC audiophiles or PC audiophiles-to-be the best solution to enjoy their music with extreme clearness, details, and hassle-free controls t

• Asus Xonar Essence STU, 5 ASUS Xonar Essence STU Safety Information For your own safety please read the following important safety instructions carefully before attempting to connect this unit to the mains power supply. They will also enable you to get the best performance from and prolong the life of the unit. 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean machine surface with a cloth (no any detergent applied). 7. Do

• Asus Xonar Essence STU, 6 ASUS Xonar Essence STU Wet Location Apparatus shall not be exposed to dripping or splashing and that no objects lled with liquids, such as vases, shall be placed on the apparatus. Outdoor Use Warning! To reduce the risk of re or electric shock, do not expose this apparatus to rain or moisture. Disconnect Device - The Main Plug or an Appliance Coupler The mains plug or an appliance coupler is used as the disconnect device for disconnection from the mains, the disconnect device shall remain readily operable.

• Asus Xonar Essence STU, 7 ASUS Xonar Essence STU Driver installation After connecting ASUS Xonar Essence STU with your computer by the bundled USB cable, you need to install the device driver that enables the Xonar Essence STU to work with Windows operating system. NOTES: • The driver is only needed when you connect ASUS Xonar Essence STU with PC/NB. • The version and content of the support CD are subject to change without notice. To install the device driver: 1. Insert the ASUS Xonar Essence STU support CD into your optical drive. If Autorun is enabled, the ASUS Xonar Essence STU driver screen a

• Asus Xonar Essence STU, 8 ASUS Xonar Essence STU Functionality 1. USB DAC ( Digital-to-Analog Convertor) Clear, detailed, life-like sound for your digital music collection in PC/NB, with all the connection(XLR, RCA) you need for end devices. Steps: • Connect PC/NB with an USB cable • Need to install driver in your PC/NB to work • Select “USB” in front panel as the input source HP GAIN R L AUX IN TOSLINK COAXIAL DIGITAL INFUT USB DC IN USB Mini-USB B-A type connector Desktop PC Notebook PC

• Asus Xonar Essence STU, 9 ASUS Xonar Essence STU 2. Stand alone DAC With S/PDIF in and input select, it also serves as an independent DAC which connects with digital inputs such as CD audio source and then plays to the end devices. Steps: • Connect with other audio resource with S/PDIF input (by Coaxial/Optical cable) • Select COA (coaxial input) or TOS (optical input) in the front panel as the input source 3. Headphoneamplier Grants 100% performance of ALL hi-end headphones, even with impedance up to 600ohms, providing extra dynamics and sound details. Steps: • Connect with high-quality headphones/headsets HP GAIN R

• 10 ASUS Xonar Essence STU Front Panel 1. Power On/Off Press to turn on and again to turn off. 2. Input selection Press to select audio input source: USB, Toslink, Coaxial, or AUX audio input. 3. Input selection/Bit perfect indicator The corresponding LED will light up to show which audio source has been selected. 4. Speaker volume control The volume control adjusts the ou

• 11 ASUS Xonar Essence STU Rear Panel 1. Headphone Gain Selection Toggle the switch to change between low or high headphone gain settings. NOTE: If you have a low impedance headset/headphone, please do not switch to high gain setting. When switching between high and low gain settings, please remove the connected headphones/headset before proceeding. 2. Unbalanc

• Asus Xonar Essence STU, 12 ASUS Xonar Essence STU 6. USB port Connect a PC via a Type B to Type A USB lead. NOTE: You need to install the device driver that enables the Xonar Essence STU to work with Windows operating system. 7. Power port (AC in) Plug the supplied power adapter into the Xonar Essence STU once you have completed all connections.

• Asus Xonar Essence STU, 13 ASUS Xonar Essence STU Hardware Introduction 1. USB Audio processor: C-Media CMI6631A (for USB input) 2. S/PDIF receiver: TI PCM9211 (for digital input) 3. DAC: TI PCM1792A 4. Swappable Op-amps: LME49720 x2 5. Swappable Op-amps: LM4562 x1 6. Swappable Op-amps: OPA2132 x1 7. Film Cap (red ones): WIMA FKP2 8. Op-amps: LM4562 (for Speaker out) 9. Headphone Amplier: TPA6120A2 (for Headphone out)

• 14 ASUS Xonar Essence STU Connections Input 1. NB/PC-USB connections NOTE: Do not turn on the machine until all connections have been made. (1) Connect a USB ‘B–A’ type lead (as illustrated at left) from the Xonar Essence STU’s USB input to one of the USB ports on the PC/NB. (2) Turn on the Xonar Essence STU using the front panel On/Off switch and make sure that

• Asus Xonar Essence STU, 15 ASUS Xonar Essence STU NOTES: • The PC’s previous audio output device should now be temporarily disabled and the Xonar Essence STU becomes the default audio playback device for the PC/NB. This can be conrmed in the Control Panel’s Sounds, Speech and Audio Devices properties window under the Volume tab. • If you wish to disconnect your Xonar Essence STU and return to using your previous soundcard, etc., simply disconnect it or switch off the power on the front panel. If the PC fails to disable the Xonar Essence STU and automatically re-enable your default soundcard, you can manually disable the Xonar Essenc

• Asus Xonar Essence STU, 16 ASUS Xonar Essence STU (1) Connect your digital source (ex. CD/DVD players or some PC/NB with SPDIF output) to Digital Input. Either S/P DIF Coaxial or Toslink optical types can be used, each being of equal quality. NOTE: Both Coaxial and Toslink Inputs can be used to connect and run equipment at the same time. Output 1. WithAmplierandPassiveSpeakerSystem (1) Connect the unbalanced input of an amplier to the unbalanced (RCA/Phono) output of the Xonar Essence STU. (2) Connect

• 17 ASUS Xonar Essence STU 2. With Active Speaker directly (1) Connect Xonar Essence STU with a set of active speakers directly. 3. With Headphone/Headset (1) Connect Xonar Essence STU with high-quality headphones/headsets directly. HP GAIN R L AUX IN TOSLINK COAXIAL DIGITAL INFUT USB DC IN Active Speaker System POWER INPUT USB COA TOS AUX BIT PERFECT Headphone Galn Headpho

• Asus Xonar Essence STU, 18 ASUS Xonar Essence STU Specications Items Description Audio Performance Output Signal-to-Noise Ratio (A-Weighted): Line Out: 120dB Headphone: 117dB Output Total Harmonic Distortion + Noise at 1kHz@-3dB (A-Weighted): Line Out: -108dB Headphone: -101dB Output Full-Scale Voltage Line Out: 2Vrms Headphone: 7Vrms Frequency Response (-3dB, 24-bit/192kHz output): <10Hz to 48kHz Bus Compatibility USB USB 2.0 High speed S/PDIF IEC 61937 Main Chipset Audio Processor C-Media CM6631A S/PDFI Receiver PCM9211 D-A Converter for Analog Inpu

• Asus Xonar Essence STU, 19 ASUS Xonar Essence STU Sample Rate and Resolution Analog Playback Sample Rate and Resolution 44.1K/48K/88.2K/96K/176.4K/192KHz @ 16/24bit Power consumption (Max) 12W I/O Ports Output Jack: Line Out (Dual RCA) 6.3mm Jack headphone output Metal with plated gold, black housing Input Jack: USB jack Coaxial / Toslink jack AUX in phone jack Metal with plated gold, black housing Power Input Jack: DC in 12V Volume controller Balanced Output: Taper A Potentiometer Headphone Output: Taper A Potentiometer Power input range AC 90~264V LED Indicator One color LED �

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