Manual de instrucciones de Asus Xonar Essence One MUSES Xonar Essence One

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E7801
Xonar Essence One
Hi-Fi USB DAC (Digital-to-Analog Converter)

Opamp Swap Guide
Third Edition
Oct. 2012
Copyright © 2012 ASUSTeK Computer Inc.
All Rights Reserved

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English 1. Disassembly 1. Loosen the four screws in the front panel and the two screws in the rear panel with a screwdriver. Front Panel BIT PERFECT Xonar Essence One 192 176.4 COA 96 TOS 88.2 USB 48 POWER UPSAMPLING INPUT MUTE _ _ + + 44.1 HEADPHONE VOLUME VOLUME Rear Panel COAXIAL L 230 R R L TOSLINK USB UNBALANCED OUTPUT BALANCED OUTPUT DIGITAL INPUT VOLTAGE SELECTOR AC IN 2. Push the power connector on the rear panel to remove the machine bed (including the PCB board and power module) from

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1 2 3A 4 1 4 3B 1 4 2 1 3B 1. Serves as I/V (current to voltage convertor) that turns current from DAC into voltage for output purpose. Changing this will affect all outputs (including Headphone output, RCA output and XLR output). 2. Serves as Low Pass Filter that filters background noises. Changing th is will affect all outputs (including Headphone output, RCA output and XLR output). 3A. Serves as buf fer that enhances the output signal for the speaker . Changing this will affect the RCA

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English Recommended OPamp List Brand Model name NS LME49860 NS LME49720NA NS LM4562NA TI OPA2111 TI OPA212  TI OPA2107 ADI OP275 ADI AD82 NJRC MUSE01 NJRC MUSE02 Sound Impression The following table lists the sound impression brought by different combinations of op-amp pairing. DAC I/V Slot 1 DAC buffer Slot 2 Sound Impression TI – OPA2107 TI – OPA212  Brighter vocal, slightly less bottom sound TI – OPA2107 NS – LME49860 Even brighter than the above combination, and more detailed with less

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Australia statement notice From 1 January 2012 updated warranties apply to all ASUS products, consistent with the Australian Consumer Law. For the latest product warranty details please visit http://support.asus.com. Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or re