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    • Alpha USB Re-clocker
      • Alpha USB Re-clocker

      Berkeley Audio Design

      Berkeley Audio Design Alpha USB Re-clocker

      $1,995.00

      In stock (0) - 15 - 30 days Available in store: Check availability

      In Store Only ! To order, please call us at (702) 910-4913. The Alpha USB is an asynchronous High Speed USB Audio 2.0 to digital audio interface designed to provide the highest possible audio quality from computer and music server audio sources.

      Product description

      The Alpha USB has a USB Audio 2.0 Standard input and switch selected digital audio output signal type, either coaxial SPDIF using a BNC connector or balanced AES using an XLR connector. Sampling rates up to 192 kHz and word lengths up to 24 bit are supported.  

      Great care was taken in the design of the Alpha USB to isolate the noisy computer/USB environment from the digital audio output. The USB receiver and processing are powered by the computer, while the output master clocks and line drivers are powered by a separate isolated linear power supply. There is no DC connection and also a high degree of capacitive and inductive isolation between the USB input and the digital audio output.

      Two key factors combine to achieve the excellent audio performance of the Alpha USB; the unprecedented degree of electrical isolation between the USB input connection and the digital audio output and the very low noise/low jitter performance of the individually tested audio output master clocks.  

      The Alpha USB is designed to work with Apple Macintosh and Windows PC computers and Linux based music servers. For Linux, the operating system must be ALSA 1.0.23 or above. It must also have the ability to select the output device. Apple computers using Snow Leopard or later operating systems also interface directly with the Alpha USB. It is not necessary to install a USB Audio 2.0 Standard driver for those operating systems.

      PC’s using Microsoft Windows 10 release 1703 and above do not require installation of the Alpha USB Windows driver and the driver provided with Windows should be used. Only Microsoft Windows PC’s using Windows XP, Vista, 7, 8, 8.1 and earlier versions of 10 require the Alpha USB Windows driver which is available on the Downloads page. 

      A User Guide and 6’ power cord are included with the Alpha USB. 

      Controls & Indicators

      Output Select: switch selects SPDIF or AES type outputs

      Status LED: Green indicates USB Lock, Amber indicates Standby

      Specifications

      Input: USB Audio 2.0 Standard asynchronous connection, type B receptacle

      Outputs: switch selectable, coaxial SPDIF on 75Ω BNC connector or balanced AES on 110Ω XLR connector

      Supported Sampling Rates: 44.1kHz to 192kHz

      Supported Word Lengths: up to 24-bit

      Supported Operating Systems: Apple, Windows and Linux

      Enclosure Dimensions: 2.3”H X 10.5”W x 5”D, 2.55”H including feet

      Weight: 2.5 lbs.

      Mains Power: 100/120/240VAC, 50/60Hz, IEC power input connector

      Power Consumption: 3W, designed for continuous operation

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