Codex Ayre Owner's Manual

Usb dac + headphone amp + preamp

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Codex

Owner's Manual

USB DAC + Headphone Amp + Preamp

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Page 1 Codex Owner’s Manual USB DAC + Headphone Amp + Preamp...
Page 3: Table Of Contents
Table of Contents Ayre ..... . . 2 Welcome to Introduction ....3 Overview and Installation .
Page 4: Welcome To
Welcome to Ayre Ayre was founded in 1993 with a single purpose — to bring the full beauty of music to your own home. Our mission is to find ways of capturing the essence of the music, delivering the same level of engagement we experience with live music —...
Page 5: Overview And
Overview and Introduction The advanced design of the Codex combines three distinct musically powerful components into a single compact unit: 1) A world-class digital-to-analog converter (DAC). The USB connection accepts any sound file your computer or music streamer can play. The Codex uses a high-performance version of the USB asynchronous transfer mode (Streamlength™) that...
Page 6 -60 dB. This breakthrough technology far surpasses the performance of any conventional volume control. 3) The Codex also functions as the heart of a home stereo system — a preamplifier — when combined with amplifiers and loudspeakers. The transition from stereo system to headphone amplifier is both seamless and automatic.
Page 7: Connections And
Connections and Installation The Codex is simple and intuitive to connect and use. The following guidelines will ensure that the installation goes smoothly. Inputs The Codex offers two inputs, the USB input for connection with a computer or music streamer, and...
Page 8 10 feet (3 meters). Hubs and/or extenders may cause problems if the transit time for the feedback pipeline is too great, interfering with the asynchronous USB transfer protocol. Computers using Windows must install the USB audio driver included on the CD-ROM or downloaded from: www.ayre.com/usb_driver.htm...
Page 9: Analog Outputs
Headphone Outputs The Ayre Codex offers three headphone jacks, two 3.5 mm mini-phone jacks, and one ¼" phone jack. Only use stereo phone plugs (two or three insulating rings) with any headphone jack.
Page 10: Controls And Operation
Line-Level Outputs Plugging standard The rear of the Codex features both balanced and (single-ended) headphones into single-ended outputs for use with stereo systems the front panel will cause the using amplifiers and speakers. Balanced connections rear-panel output signals to be are made via XLR connectors, while single-ended incorrect.
Page 11 Computers using Windows must install the USB audio driver included on the CD-ROM or downloaded from: www.ayre.com/usb_driver.htm 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: •...
Page 12 Foobar (Windows). Some users will prefer to use a combination of other specialized programs to perform these functions. An introductory guide to setting up your computer is available at the Ayre website: www.ayre.com/usb.htm Detailed information may be obtained from the website of the computer music player software you...
Page 13: Controls And
Controls and Operation The front-panel control on the Codex USB D/A converter is a combination volume knob and momentary push switch. The display provides all information needed for easy operation. The master power switch is on the rear panel above the AC mains connector.
Page 14: Setup Menu
While in the setup menu, the Pressing the volume knob for three seconds will display will flash when an enter the setup menu of the Codex. Rotating the input is required. volume knob will display the available choices. Pressing the volume knob will select the displayed choice and exit the menu.
Page 15 (PrE) and DAC (dAC). The proper setting is determined by whether your loudspeaker playback system has a volume control or not. If you run the Codex directly into a power amplifier or powered speakers without any volume control, choose the preamplifier mode and the volume control will be active.
Page 16: Display Brightness
Many audio systems offer true balanced operation, The fully-balanced audio circuitry of the Codex and this is the default operating mode of the Codex. improves the sound quality as With balanced operation, each channel has two any imperfections in the power equal and opposite signals, compared to just one supply are cancelled.
Page 17 When two 3.5 mm mini-plugs are connected, the setup menu is automatically entered and the Codex will ask if you have connected two separate headphones for shared listening with a friend, or a special balanced headphone cable with two 3.5 mm...
Page 18: Numbers And
Numbers and Specifications Audio Input Signal 44.1, 48, 88.2, 96, 176.4, 192, 352.8 and 384 kHz PCM 16, 20, and 24 bits 2.8224 and 5.6448 MHz DSD 1 bit (DSD over PCM = “DoP”) 7.2 V RMS – balanced outputs Maximum Output Level Headphone or Preamp Modes 3.1 V RMS –...
Page 19: Statement Of
Ayre within thirty days of product delivery. This optional warranty is only available within the thirty-day registration period, and only applies when the unit has been purchased from an authorized Ayre dealer.
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.
Page 21 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. 1.0...
Page 24 Ayre Acoustics, Inc. 2300-B Central Avenue Boulder, Colorado 80301 www.ayre.com +1-303-442-7300...