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Summary of Contents for Ayre QB-9DSD
- Page 1 Ayre QB-9 Owner’s Manual USB Digital-to-Analog Converter...
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Page 3: Table Of Contents
Table of Contents Ayre ..... . . 2 Welcome to Introduction ....3 Overview and Installation . -
Page 4: Welcome To
This degree of performance has been implemented using the highest levels of workmanship and materials. You can be assured that the Ayre QB-9 will provide you a lifetime of musical enjoyment. To our North American customers, please be... -
Page 5: Overview And
The integration of the personal computer (PC) into the home stereo system has provided a revolutionary way to purchase, organize, and play your digital music collection. The Ayre QB-9 digital-to-audio (D/A) converter provides an equally revolutionary way to play back your music files with unprecedented fidelity and realism. -
Page 6: Connections And
Connections and Installation The Ayre QB-9 is easy to connect and use. The following guidelines will ensure that the installation goes smoothly. Analog Outputs The Ayre QB-9 offers both balanced and single-ended outputs. Balanced connections are made via XLR connectors, while single-ended connections are made via RCA connectors. - Page 7 AyreLink Ports The AyreLink communication system provides a convenient way to control your audio system. There are two AyreLink ports on the rear panel of the QB-9 D/A converter. Each port contains both an input and an output. Both ports function identically and may be used interchangeably.
- Page 8 Although proprietary RFI (radio-frequency interference) filtering is built into the USB D/A converter, in some situations an AC power-line filter (such as those offered by Ayre) may provide additional sonic benefits. As virtually all computers use switch-mode power...
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Page 9: Configuring The Computer
Configuring the Computer No matter what operating system (OS) your computer uses — Apple, Windows, or Linux — you’ll need to set up your computer to perform several different tasks: • Transferring music to your computer’s hard drive, either by converting the files from your CD collection, commonly called “ripping”, or by purchasing files that are downloaded via the internet. - Page 10 An introductory guide to setting up your computer is available at the Ayre website at: www.ayre.com/usb.htm DSD over PCM (DoP) In addition to the standard method of encoding audio signals as digital information (PCM, or Pulse Code Modulation), another system also exists, called DSD by Sony who used it for their SACD format.
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Page 11: Controls And
Controls and Operation There are no controls on the front panel of the QB-9 USB D/A converter. Instead the unit is controlled by your computer via the USB connection. Display The display has a green “Standby” LED that indicates that the unit is connected to AC power. When in standby mode, all critical internal circuitry remains powered. - Page 12 When your computer is powered on, the QB-9 will also enter the “Operate” mode. The display will indicate “- - -” to show it is ready to receive audio data. As the music file begins to play, the display will indicate the sample rate in kHz (e.g., “96”). When the music file stops, the display will revert to “- - -”.
- Page 13 Standby As the QB-9 is controlled by your computer, it cannot be used to turn off an entire linked system. Other linked components may be used to turn off the entire audio system, including the QB-9 Please refer to the owner’s manual of the other components utilizing the AyreLink system.
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Page 14: Optimization And
The default configuration settings (all switches in the “up” position) will work best for the vast majority of users. Digital Filter The digital filter of the Ayre QB-9 features two user-selectable algorithms. A selector switch is located on the rear panel. One algorithm produces greater accuracy in the time domain and is labeled “Listen”. - Page 15 Power Mode The default configuration of the QB-9 turns the D/A converter on when the computer is turned on. This works well when the computer is primarily dedicated as a music server. However, in some cases the computer may be used for a wide variety of tasks by multiple users.
- Page 16 Display Brightness The AyreLink communication system can control the brightness level of the display on the QB-9 Changing the brightness level on the display of other linked components will cause a matching change in all linked components, including the QB-9 D/A converter.
- Page 17 Ayre has made available a custom USB driver that is compatible with Windows XP, Service Pack 2 and later. Please refer to the Ayre website to download the required file and also additional instructions to play sample rates beyond 96 kHz: www.ayre.com/usb.htm...
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Page 18: Numbers And
Numbers and Specifications USB Audio Input Signal 44.1, 48, 88.2, 96, 176.4, and 192 kHz 16, 20, and 24 bits Maximum Output Level 4.00 V rms – balanced outputs 2.00 V rms – single-ended outputs Analog XLR Output Polarity Pin 1 = Ground Pin 2 = Non-inverting (Positive) Pin 3 = Inverting (Negative) Frequency Response... -
Page 19: Statement Of
Warranty Registration Card and a photocopy of your original purchase receipt in the enclosed postage-paid envelope to Ayre within thirty days of product delivery. This optional warranty is only available within the thirty-day registration period. - Page 20 Ayre Acoustics, Inc. 2300-B Central Avenue Boulder, Colorado 80301 or to Ayre’s authorized agent. The product must be accompanied by a written description of the defect and a photocopy of your original purchase receipt. Ayre will not be responsible for any shipping damage and strongly recommends the purchase of shipping insurance.
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Page 21: International Warranty
5. The above warranty is the sole warranty given by Ayre, and is in lieu of all other warranties. All implied warranties, including warranties of merchantability or fitness for any particular purpose shall be strictly limited to the duration of the above warranty. -
Page 22: A Place For
A Place for Notes Serial Number: ________________________________________ Purchase Date: ________________________________________ Dealer: ________________________________________ Salesperson: ________________________________________ Rev. 2.0... - Page 24 Ayre Acoustics, Inc. 2300-B Central Avenue Boulder, Colorado 80301 www.ayre.com +1-303-442-7300...
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