{"title":"Berkeley Audio Design","description":"","products":[{"product_id":"berkeley-audio-design-alpha-usb-interface","title":"Berkeley Audio Design Alpha USB Series 2 Interface","description":"\u003ch1\u003eBerkeley Audio Design Alpha USB Series 2 Interface\u003c\/h1\u003e\n\u003ch3\u003eConvert the noisy USB output of your streamer into low-noise, low-jitter AES\/EBU or S\/PDIF for your standalone DAC\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cfigure style=\"text-align: center;\"\u003e\n\u003cblockquote\u003e\n\u003cspan\u003e“\u003c\/span\u003eA breakthrough product that not only overcomes the limitations of the USB interface, but provides a state-of-the-art method of getting audio out of a computer. Switching over to the Alpha USB system was like sharpening the focus on a camera; very-low-level detail that had been just a bit indistinct or smeared snapped into vivid clarity.\u003cspan\u003e”\u003c\/span\u003e\n\u003c\/blockquote\u003e\n\u003cfigcaption class=\"source\"\u003e— ROBERT HARLEY, THE ABSOLUTE SOUND\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Our inventory has been updated with the latest Berkeley Audio USB 2.0 High Speed Audio input software optimized for modern high-speed, low latency USB 2.0 drivers, resulting in significantly improved audio quality.\u003c\/p\u003e\n\u003cp\u003eThe Alpha USB is an asynchronous USB Audio 2.0 to digital audio interface designed to provide the highest possible audio quality from computer and music server audio sources. \u003c\/p\u003e\n\u003cp\u003eThe Alpha USB has a USB Audio 2.0 high-speed input and switch-selected digital audio output signal type, either coaxial S\/PDIF 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. \u003cbr\u003e\u003cbr\u003eGreat 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. \u003cbr\u003e\u003cbr\u003eTwo 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. \u003cbr\u003e\u003cbr\u003eThe 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. \u003cbr\u003e\u003cbr\u003ePC’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.\u003c\/p\u003e\n\u003cp\u003eA 6' power cord is included. It is recommended that the USB cable be sited as far away from the DAC as reasonably possible.\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInput:\u003c\/strong\u003e USB B Audio 2.0 Standard asynchronous connection\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eOutputs:\u003c\/strong\u003e Coaxial BNC S\/PDIF , AES XLR\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSampling rates:\u003c\/strong\u003e 44.1 kHz to 192 kHz, up to 24 bit\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSupported operating systems:\u003c\/strong\u003e Apple, Windows, and Linux\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDimensions (WHD):\u003c\/strong\u003e 10.5\" x 2.5” x 5”\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.5 lb.\u003c\/p\u003e","brand":"Berkeley Audio Design","offers":[{"title":"Default Title","offer_id":39287674405048,"sku":"BRK ALPHA USB","price":2495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/products\/AlphaUSBFront_2048x2048_796e41c5-9adc-4a51-8db9-fc17739f21f1.jpg?v=1741631075"},{"product_id":"berkeley-audio-design-alpha-dac-series-3-digital-to-analog-converter","title":"Berkeley Audio Design Alpha DAC Series 3 Digital to Analog Converter","description":"\u003ch1\u003eBerkeley Audio Design Alpha DAC Series 3 Digital to Analog Converter\u003c\/h1\u003e\n\u003ch3\u003eThe Series 3 gets even closer to the Reference in this MQA-capable DAC with volume control\u003c\/h3\u003e\n\u003cp\u003eThe Alpha DAC Series 3 uses advanced technology from the award-winning Alpha DAC Reference Series 3. Compare the Alpha DAC Series 3 with an Alpha USB noise isolation interface to any DAC available at any price and you will be amazed by Berkeley Audio's  quality.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMQA rendering capability \u003cmeta content=\"text\/html; charset=utf-8\" http-equiv=\"content-type\"\u003eto beyond 384kHz\u003c\/li\u003e\n\u003cli\u003ePCM audio from 32kHz to 192kHz\u003c\/li\u003e\n\u003cli\u003eUltra-low phase noise conversion clocking\u003c\/li\u003e\n\u003cli\u003eOutputs can connect directly to power amplifiers\u003c\/li\u003e\n\u003cli\u003eAll metal Series 3 IR Remote Control\u003c\/li\u003e\n\u003cli\u003eMultiple digital filter options\u003c\/li\u003e\n\u003cli\u003eFirmware is upgradeable through signal inputs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSampling rate:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e32 kHz to 192 kHz, 24 bit\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInputs:\u003c\/strong\u003e 1 x XLR AES\/EBU,  2 x BNC\u003cspan\u003e \u003c\/span\u003e\u003cmeta http-equiv=\"content-type\" content=\"text\/html; charset=utf-8\"\u003eS\/PDIF, 1 x TOSLINK \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eOutputs:\u003c\/strong\u003e 1 x stereo pair XLR balanced, 1 x stereo pair RCA unbalanced\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDigital volume (60 dB range):\u003c\/strong\u003e \u003cmeta http-equiv=\"content-type\" content=\"text\/html; charset=utf-8\"\u003e0.1 dB\/step\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBalance control (60 dB range):\u003c\/strong\u003e  0.05 dB\/step \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDimensions (WHD):\u003c\/strong\u003e 16.7\" x 2.3” x 10.6”\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e 11.6\u003c\/span\u003e lb.\u003c\/p\u003e","brand":"Berkeley Audio Design","offers":[{"title":"Black","offer_id":40021740781752,"sku":"BRK ALPHA DAC3 BLK","price":11995.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":40021740748984,"sku":"BRK ALPHA DAC3 SIL","price":11995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/products\/ADAC3Front_2048x2048_7955d8f4-61e3-4ec0-b225-e253d8da44cf.jpg?v=1741631074"},{"product_id":"berkeley-audio-design-alpha-reference-dac-series-3p","title":"Berkeley Audio Design Alpha Reference DAC Series 3P","description":"\u003ch1\u003eBerkeley Audio Design Alpha Reference DAC Series 3P\u003c\/h1\u003e\n\u003ch3\u003eWith new proprietary RF waveguide isolation and special focus on time domain coherence. With MQA, HDCD decoding, multiple filter options, and a volume control\u003c\/h3\u003e\n\u003cp\u003eBerkeley Audio improves on the DAC already considered to be a reference standard, at any price. The new Series 3P achieves a level of time domain coherence never available before in a DAC. The result is profound musical realism, since time-domain incoherence erases subtle spatial and timbral audio information essential to the experience of live music. Berkeley's perfected technology goes beyond sounding excellent to simply sounding real.\u003c\/p\u003e\n\u003cp\u003eThe new proprietary RF waveguide isolation technology used in the reference series 3P produces unprecedented imaging precision, timbral purity and resolution.\u003c\/p\u003e\n\u003cp\u003eBerkeley DACs use a commercial delta-sigma convertor, but turn off all filtering and DSP functions except for the central conversion circuit. All digital filtration and process is done using custom code and components, carefully created for the best possible sound.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUltra-low phase noise conversion clocking\u003c\/li\u003e\n\u003cli\u003eUltra-low distortion variable output attenuator\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHDCD decoding detects 16-bit flag at 44.1kHz or 24-bit flag at all sampling rates\u003c\/li\u003e\n\u003cli\u003eMultiple digital filter options\u003c\/li\u003e\n\u003cli\u003eFirmware is upgradeable through signal inputs \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSampling rate:\u003c\/strong\u003e 32 kHz to 192 kHz, 24 bit\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInputs:\u003c\/strong\u003e 1 x AES XLR,  2 x BNC \u003cmeta content=\"text\/html; charset=utf-8\" http-equiv=\"content-type\"\u003eS\/PDIF, 1 x TOSLINK \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eOutputs:\u003c\/strong\u003e 1 x stereo pair XLR balanced, 1 x stereo pair RCA unbalanced\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDigital volume (60 dB range):\u003c\/strong\u003e \u003cmeta content=\"text\/html; charset=utf-8\" http-equiv=\"content-type\"\u003e0.1 dB\/step\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBalance control (60 dB range):\u003c\/strong\u003e  0.05 dB\/step \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDimensions (WHD):\u003c\/strong\u003e 17.5\" x 3.5” x 12.5”\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 30 lb.\u003c\/p\u003e","brand":"Berkeley Audio Design","offers":[{"title":"Default Title","offer_id":51128572838072,"sku":"ALPHA-REF3P","price":34000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/files\/RS3PFront384.png?v=1749759607"},{"product_id":"berkeley-audio-design-alpha-reference-series-usb-interface","title":"Berkeley Audio Design Alpha USB Reference Series Interface","description":"\u003ch1\u003eBerkeley Audio Design Alpha USB Reference Interface\u003c\/h1\u003e\n\u003ch3\u003eConvert the USB output of your streamer into low-noise, low-jitter AES\/EBU or S\/PDIF for your standalone DAC\u003c\/h3\u003e\n\u003cp\u003eAudio streamers are essentially specialized, optimized computers, and many of them offer only USB output. USB is a convenient way to offer high-resolution music, but is often not cleaned up enough for high-fidelity audio.\u003c\/p\u003e\n\u003cp\u003eThe Alpha USB Reference Series USB converter lets you use a USB output streamer, music server, or even, at least for a short while, a laptop, and converts the often noisy and jittery USB signal into a clean AES or SPDIF output. These signals are far less jitter-prone, and in addition, the Alpha USB Reference uses ultra-low phase noise reclocking technology from the Alpha DAC Reference Series 3P. In addition, this reference unit uses increased enclosure mass and vibration isolation. The result is an unprecedented level of time domain coherence that results in dramatically real music reproduction.\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eMore USB Reference\u003c\/h4\u003e\n\u003cp\u003eThe Alpha USB Reference Series is a noise isolating, reclocking digital audio interface with an asynchronous USB 2.0 high-speed audio input optimized to connect to modern high speed, low latency USB 2.0 high-speed audio drivers. It has selectable coaxial SPDIF or balanced AES\/EBU digital audio outputs. \u003c\/p\u003e\n\u003cp\u003eThe USB input is galvanically (DC), capacitively, and inductively isolated from the digital audio output which is re-clocked using the proprietary ultra-low phase noise clock technology in the Alpha DAC Reference Series 3P. The result is an unprecedented reduction of time and frequency domain noise and dramatically improved audio realism.\u003c\/p\u003e\n\u003cp\u003eThe Alpha USB Reference Series has a proprietary USB 2.0 High Speed Audio input data connection and switch selectable output signal type – either coaxial SPDIF using a 75Ω BNC connector or balanced AES\/EBU using an XLR connector. Sampling rates up to 192 kHz and word lengths up to 24-bit are supported.  \u003c\/p\u003e\n\u003cp\u003eGreat care was taken in the design of the Alpha USB Reference Series to isolate streamer\/server noise on the USB input from the AES\/SPDIF digital audio output. The USB input receiver and processor are powered by the USB input source, while the AES\/SPDIF digital audio output ultra-low phase noise master clocks and line drivers are powered by a separate isolated linear power supply. There is also no DC connection and a very high degree of capacitive and inductive isolation between the USB input and the AES\/SPDIF digital audio output. \u003c\/p\u003e\n\u003cp\u003eThree key factors combine to achieve the unmatched audio performance of the Alpha USB Reference Series; ultra-low phase noise audio output master clocks using the same technology in the Alpha DAC Reference Series 3P, high speed, low latency input software and an unprecedented degree of electrical isolation between the USB input and the AES\/SPDIF digital audio output \u003c\/p\u003e\n\u003cp\u003eThe Alpha USB Reference Series is designed to work with modern Linux based music servers and Apple Macintosh and Windows PC computers. \u003c\/p\u003e\n\u003cp\u003eA User Guide and 6’ power cord are included with the Alpha USB Reference Series.  \u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInput:\u003c\/strong\u003e USB B Audio 2.0 Standard asynchronous connection\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eOutputs:\u003c\/strong\u003e 1x Coaxial BNC SPDIF, 1 x AES XLR\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSampling rates:\u003c\/strong\u003e 44.1 kHz to 192 kHz, up to 24 bit\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSupported operating systems:\u003c\/strong\u003e Apple, Windows, and Linux\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDimensions (WHD):\u003c\/strong\u003e 10.5\" x 2.3” x 5.38”\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.8 lb.\u003c\/p\u003e","brand":"Berkeley Audio Design","offers":[{"title":"Default Title","offer_id":51128576835768,"sku":"ALPHA-REF-USB","price":5995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/files\/AUSBRSFront.png?v=1749759637"},{"product_id":"berkeley-audio-design-alpha-dac-series-3p-digital-to-analog-converter","title":"Berkeley Audio Design Alpha DAC Series 3P Digital to Analog Converter","description":"\u003ch1\u003eBerkeley Audio Design Alpha DAC Series 3P Digital to Analog Converter\u003c\/h1\u003e\n\u003ch3\u003eWith ultra-low noise reclocking and  proprietary RF waveguide technology\u003c\/h3\u003e\n\u003cp\u003eThe Alpha DAC Reference 3P is creating waves, and true to Berkley Audio Design's philosophy, it has created a lower priced model that uses most of the cutting edge technology and saves money with a lighter chassis. The design focuses on time domain coherence, preserving the spatial and timbral information that is often lost in conventional digital playback. The result is a presentation that moves beyond sounding technically correct to sounding convincingly real.\u003c\/p\u003e\n\u003cp\u003eAt the core of the Series 3P is a suite of proprietary developments, including RF waveguide technology, ultra-low-noise reclocking, and extremely low-noise software. These elements work together to minimize time domain errors and reduce phase noise, allowing the DAC to resolve subtle details in timing, texture, and space with greater accuracy. The emphasis here is not on adding character, but on removing distortions that obscure the original recording.\u003c\/p\u003e\n\u003cp\u003eAn onboard volume control means the Alpha DAC Series 3P can be connected directly to power amplifiers, eliminating the need for a separate preamplifier in suitable systems. It supports PCM playback from 32 kHz to 192 kHz and MQA rendering to beyond 384 kHz, and can be paired with the Alpha USB reclocking noise isolator for further performance gains. The unit is available with either a silver or black front panel and includes a metal Series 3P IR remote control.\u003c\/p\u003e\n\u003cp\u003eThe Alpha DAC Series 3 will continue to be available and can be factory upgraded to an Alpha DAC Series 3P.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePerfected Technology for enhanced time domain coherence\u003c\/li\u003e\n\u003cli\u003eProprietary RF waveguide technology\u003c\/li\u003e\n\u003cli\u003eUltra-low noise reclocking architecture\u003c\/li\u003e\n\u003cli\u003eExtremely low noise software design\u003c\/li\u003e\n\u003cli\u003eUltra-low phase noise precision clocking\u003c\/li\u003e\n\u003cli\u003eDirect connection to power amplifiers\u003c\/li\u003e\n\u003cli\u003eMultiple digital filter options\u003c\/li\u003e\n\u003cli\u003eFirmware upgradeable through signal inputs\u003c\/li\u003e\n\u003cli\u003eAll-metal Series 3P IR remote control\u003c\/li\u003e\n\u003cli\u003eAvailable in silver or black finish\u003c\/li\u003e\n\u003cli\u003eUpgradeable from Alpha DAC Series 3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eInput Sampling Rate:\u003c\/b\u003e 32 kHz–192 kHz\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eInput Word Length:\u003c\/b\u003e 24-bit\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eClocking:\u003c\/b\u003e Ultra-low phase noise precision clocking at 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz and 192 kHz sampling rates ± 100 ppm\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eAnalog Outputs:\u003c\/b\u003e Two-channel stereo, XLR balanced (pin 2 positive) and RCA unbalanced\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDigital Inputs:\u003c\/b\u003e AES (XLR, 110 Ω); SPDIF1 (BNC, 75 Ω); SPDIF2 (BNC, 75 Ω); TOSLINK (optical)\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMQA Support:\u003c\/b\u003e Automatic rendering of MQA Core decoded signals to 384 kHz and above\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHDCD Decoding:\u003c\/b\u003e Detects 16-bit flag at 44.1 kHz or 24-bit flag at all sampling rates\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDigital Filters:\u003c\/b\u003e Multiple options\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eBalanced Output Level:\u003c\/b\u003e +18 dBu (6.15 Vrms) maximum, +12 dBu (3.1 Vrms) or lower recommended\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eUnbalanced Output Level:\u003c\/b\u003e 3.25 Vrms maximum, 2 Vrms or lower recommended\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eVolume \u0026amp; Balance Control:\u003c\/b\u003e Digital, 0.1 dB steps with 0.05 dB L\/R gain trim, 60 dB range\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFrequency Response (≥88.2 kHz):\u003c\/b\u003e ±0.1 dB from \u0026lt;0.1 Hz to 35 kHz, -3 dB at 59 kHz for 176.4 kHz and 192 kHz sampling rates\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDistortion (Recommended Levels):\u003c\/b\u003e ≤ -120 dBFS\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTHD+N (Maximum Level):\u003c\/b\u003e \u0026lt; -110 dBFS\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFirmware:\u003c\/b\u003e Upgradeable through signal inputs\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePower Consumption:\u003c\/b\u003e 25 W\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDimensions (WHD):\u003c\/b\u003e 16.7\" x 2.3\" x 10.6\" (424.18 x 58.42 x 269.24 mm)\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWeight:\u003c\/b\u003e 11.6 lb. (5.26 kg)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Berkeley Audio Design","offers":[{"title":"Black","offer_id":53174250209464,"sku":"ALPHA-DAC-3P-BLK","price":16995.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":53174250242232,"sku":"ALPHA-DAC-3P-SIL","price":16995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/files\/ADAC3B_Front_384_png.webp?v=1776707942"}],"url":"https:\/\/upscaleaudio.pro\/collections\/berkeley-audio-design.oembed","provider":"Upscale Audio","version":"1.0","type":"link"}