Contents Connections Playback Settings Tips Appendix DA-300USB D/A CONVERTER Owner’s Manual You can print more than one page of a PDF onto a single sheet of paper.
Contents Connections Playback Settings Tips Appendix Contents Settings Accessories························································································· 3 Features······························································································· 4 Setting the Auto Standby mode················································ 23 High quality sound············································································· 4 High performance····························
Contents Connections Playback Settings Tips Appendix Thank you for purchasing this Denon product. To ensure proper operation, please read this owner’s manual carefully before using the product. After reading them, be sure to keep them for future reference. Accessories Check that the following parts are supplied with the product.
Contents Connections Playback Settings Tips Appendix Features High quality sound High performance • Advanced AL32 Processing and High-precision 32 bit D/A Converter Equipped with Advanced AL32 Processing, Denon’s own analog waveform reproduction technology. The reproducibility of weak signals is enhanced by expanding 16 bit digital data to 32 bit.
Contents Connections Playback Settings Tips Appendix Part names and functions Front panel q w e r q Power operation button/indicator (X) r Headphone volume control knob This turns the power on/standby (vpage 15). This is lit as follows according to the power status: • Power on : Lit • Standby : Off Adjusts the headphone volume (vpage 15). • Even when the headphones are connected or the volume is adjusted, the volume from the analog audio output connector does not change.
Contents Connections Playback Settings Tips Appendix Display q DSD 5.6448MHz VOL.---dB w e r q Input source indicator e Sampling frequency indicator The following is displayed according to the selected input source. USB-DAC COAXIAL OPTICAL-1 The input audio signal sampling frequency is displayed. r Headphone volume indicator OPTICAL-2 The headphone volume level is displayed. • By default, the volume level is displayed as “– – –dB” (muted).
Contents Connections Playback Settings Tips Rear panel q w e e AC adapter inlet (DC IN) q AUDIO OUT connectors Used to connect the AC adapter (vpage 12). Used to connect a amplifier (vpage 11). w DIGITAL IN connectors Used to connect a PC or devices equipped with digital audio output connectors (vpage 11).
Contents Connections Playback Settings Tips Appendix Connections 22Cables used for connections Placing this unit (vpage 9) Provide necessary cables according to the devices you want to connect. Connecting devices (vpage 11) Audio cable (Supplied) Connecting the AC adapter (vpage 12) Optical cable (Sold separately) NOTE Coaxial digital cable (Sold separately) • Do not plug in the power cord until all connections have been completed. • Do not bundle power cords together with connection cables.
Contents Connections Playback Settings Tips Appendix Placing this unit Place this unit horizontally or vertically according to the location and your preferences. 22How to attach the feet for horizontal placement Horizontal placement Attach the feet for horizontal placement to this unit as shown in the diagram below. When placing this unit horizontally, attach the provided feet for horizontal placement to the bottom.
Contents Connections Playback Settings Tips Appendix 22How to attach the stand for vertical placement Vertical placement q Align the rear edge of this unit to the guide position. w Press down this unit onto the stand until it clicks. e Slide this unit in the arrow direction to align the edge of this unit When placing this unit vertically, attach the stand for vertical placement to this unit with the power button in the upper position as shown in the diagram. with that of the stand.
Contents Connections Playback Settings Tips Appendix Connecting devices • For USB-DAC playback, install the dedicated driver software and player software on your computer before connecting (“Installing the dedicated driver (Windows OS only)” (vpage 16)). • Download the driver software from the DA-300USB page of the Denon website.
Contents Connections Playback Settings Tips Appendix Connecting the AC adapter After completing all the connections, insert the AC adapter into the power outlet. To household power outlet (AC 100 – 240 V, 50/60 Hz) AC adapter (supplied) NOTE • Do not use an AC adapter other than the provided one.
Contents Connections Playback Settings How to remove the AC adapter plug unit Tips Appendix How to attach the AC adapter plug unit (for UK) While pressing and holding the q button, slide it in the arrow direction to pull it up. Align the q guide with the w guide and press it down in the arrow direction until it clicks.
Contents Connections Playback Settings Tips Appendix Playback Connecting and playing back from a computer (USB-DAC) (vpage 16) Turning the power on (vpage 15) Selecting the input source (vpage 15) Connect and playback from a digital device (COAXIAL/ OPTICAL-1/OPTICAL-2) (vpage 22) Adjusting the headphone volume (vpage 15) Front panel Display Rear panel 14 Index
Contents Connections Playback Settings Tips Appendix Basic operation Selecting the input source 1 Touch to switch the input source for playback. USB-DAC : Plays music files on your computer. COAXIAL : Plays devices connected to the COAXIAL connector. OPTICAL-1 : Plays devices connected to the OPTICAL-1 connector. OPTICAL-2 : Plays devices connected to the OPTICAL-2 connector.
Contents Connections Playback Settings nn Installing the driver software Enjoy music playback with high audio quality by inputting music files with DSD or PCM signals stored on your computer to this unit through a USB connection. • Before connecting this unit to your computer, install the driver software in your computer. • Drivers do not need to be installed for Mac OS.
Contents 5 Connections Playback Settings Install the driver. Appendix Tips r Read the Software Licensing Agreement, and click “I accept the terms in the license agreement”. t Click “Next”. q Select the language to use for the installation. w Click “OK”. q SOFTWARE LICENSING AGREEMENT w e The wizard menu is displayed. Click “Next”.
Contents Connections Playback Settings y Click “Install” on the installation start dialog. • The installation starts. Do not perform any operation on the PC until the installation is completed. Appendix Tips o When the installation is completed, click “Finish”. o y 6 u In the Windows security dialog, select “Always trust software from DandM Holdings Inc.”. i Click “Install”. u Front panel • For the connection procedure, refer to the “Connecting devices” (vpage 11) section.
Contents 9 Connections Playback Settings 10 Checking the installed driver. q Click the “Start” button and click “Control Panel” on the PC. • The control panel setting list is displayed. w Click the “Sound” icon. • The sound menu window is displayed. e Check that there is a checkmark next to “Default Device” under in “Digital Audio Interface” of the “Playback” tab. • When there is a checkmark for a different device, click “Denon USB Audio” and “Set Default”. Appendix Tips Checking audio output.
Contents Connections Playback Settings • The dedicated driver must be installed in the PC before this unit is connected to a PC. Operation will not occur correctly if connected to the PC before the dedicated driver has been installed. Moreover, if the PC is running Windows XP as its OS, the PC’s speed will decrease significantly, and a PC restart may be required. • Operation may fail in some PC hardware and software configurations.
Contents Connections Playback Settings 22Playback Touch • Perform operations such as playback and pause on the computer. • You can also control the volume and equalizer on the computer. Enjoy playing music at the desired volume. • No audio is output from the speakers of your computer while this unit is in operation. • If the computer is disconnected from this unit while the computer music playback software is running, the playback software may freeze.
Contents Connections Playback Settings See “Input signals available for COAXIAL/OPTICAL-1/OPTICAL-2 playback” (vpage 29). Connect digital device to this unit (vpage 11). NOTE • Do not input non-PCM signals, such as Dolby Digital, and DTS. This causes noise and could damage the speakers. • If the sampling frequency switches, muting may operate for 1 – 2 seconds, cutting the sound. Touch to select the input source to “COAXIAL”, “OPTICAL-1” or “OPTICAL-2” (vpage 15).
Contents Connections Playback Settings Tips Appendix Settings Setting the Auto Standby mode You can set the unit to automatically switch to standby mode if the unit is not operated for 30 minutes when there is no audio input. Auto Standby mode is set to on by default. Turning Auto Standby mode off 1 Press and hold X for more than 5 seconds. The display shows “Auto Standby Off”. Turning Auto Standby mode on 1 Front panel Display Rear panel 23 Press and hold X for more than 5 seconds.
Contents Connections Playback Settings Tips Appendix Tips Contents 22Tips.....................................................................(25) 22Troubleshooting...............................................(26) I want to play audio from the TV with the amplifier connected to this unit........................................................................(25) Power does not turn on / Power is turned off...................................
Contents Connections Playback Settings Tips Appendix Tips I want to play audio from the TV with the amplifier connected to this unit • Connect the digital audio output connector on the TV to the digital audio input connector on this unit (COAXIAL, OPTICAL-1, or OPTICAL-2), and then switch the input source on this unit to the connector being used (COAXIAL, OPTICAL-1, or OPTICAL-2) (vpage 15). • 2-channel linear PCM digital audio signals can be played back on this unit.
Contents Connections Playback Settings Tips Appendix Troubleshooting If a problem should arise, first check the following: 1. Are the connections correct? 2. Is the set being operated as described in the owner’s manual? 3. Are the other devices operating properly? If this unit does not operate properly, check the items listed in the table below. Should the problem persist, there may be a malfunction. In this case, disconnect the power immediately and contact your store of purchase.
Contents Connections Playback Settings Tips Appendix 22No sound comes out Symptom Cause / Solution No sound is produced or sound is distorted. • Check the connections for all devices. • Insert connection cables all the way in. • Check cables for damage. • Check the amplifier input source and switch to the connector that is connected to this unit. • Check if the appropriate input source is selected. • The headphone volume is set to the minimum level. Adjust the volume level properly.
Contents Connections Playback Settings Tips Appendix 22Files on my computer cannot be played Cause / Solution Page This unit is not recognized by my computer. Symptom • Check the OS of your computer. • When your computer is running on Windows, a dedicated driver software should be installed. 16 16 “Unlock” is displayed. • When digital audio signals cannot be detected properly, “Unlock” is displayed. “Unsupported” is displayed.
Contents Connections Playback Settings Tips Appendix Appendix Types of digital audio input signals available for playback Input signals available for USB-DAC playback Types of input signals available for playback Types of input signals available for playback Input signal specifications DSD (2-channel) • Sampling frequency : 2.8224/5.6448 MHz • Bit length : 1 bit • Transmission system : Native/DoP Linear PCM (2-channel) • Sampling frequency : 32/44.1/48/88.2/96/176.
Contents Connections Playback Settings Explanation of terms S Sampling frequency Sampling involves taking a reading of a sound wave (analog signal) at regular intervals and expressing the height of the wave at each reading in digitized format (producing a digital signal). The number of readings taken in one second is called the “sampling frequency”. The larger the value, the closer the reproduced sound is to the original.
Contents Connections Playback Settings Trademark information Adobe, the Adobe logo and Reader are either registered trademarks or trademarks of Adobe Systems Incorporated in the United States and/or other countries.
Contents Connections Playback Settings Tips Appendix Specifications 22Audio performance [DSD signal] [PCM signal] • Analog output Channels: Playable frequency range: Playable frequency response: S/N: Dynamic range: Harmonic distortion: Output level: Sampling frequency: 2 channels 2 Hz – 100 kHz 2 Hz – 50 kHz (–3 dB) 112 dB (Audible range) 105 dB (Audible range) 0.0018 % (1 kHz, Audible range) 2.0 V (10 kΩ/kohms) 2.8224/5.6448 MHz 2 channels 2 Hz – 96 kHz 2 Hz – 20 kHz (±0.5 dB) 112 dB 105 dB 0.
Contents Connections Index Settings vv H Headphone······························································ 15 vv A Accessories······························································· 3 Adjusting the volume·············································· 15 Advanced AL32 Processing···································· 30 Auto Standby mode················································ 23 vv I Installing the driver software·································· 16 vv L Linear PCM················
Contents Connections Playback Settings Appendix Tips 22Dimensions Unit : mm 175 182 170 55 12 114 55 57 170 22Weight : 1.
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