*NEW* Bryston BUC-1 USB Digital to Digital Converter - Free Shipping in the U.S. - $750.00 USD
Jul 9, 2013 at 3:00 PM Thread Starter Post #1 of 1
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[size=x-large]*NEW* Bryston BUC-1 USB Digital to Digital Converter [/size]​
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[size=xx-large][size=x-large]$750 - [/size][size=x-large]Free Shipping in the U.S. [/size][/size]​
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Bryston BUC-1 USB Digital to Digital Converter
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Bryston BUC-1 USB Digital to Digital Converter
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Bryston BUC-1 USB Digital to Digital Converter
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Bryston BUC-1 USB Digital to Digital Converter
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[size=x-large]*NEW* Bryston BUC-1 Converter USB Digital to Digital Converter[/size]
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[size=xx-large][size=x-large]$750 - [/size][size=x-large]Free Shipping in the U.S. [/size][/size]​
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*NEW* Bryston BUC-1 USB Digital to Digital Converter​
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 The Bryston USB Converter provides a high resolution, ultra low​
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jitter digital audio signal interface between your computer (Laptop, Desktop, Notebook etc.) utilizing a single, USB cable.​
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The Bryston BUC-1 Converter allows for native 24 bit resolution at sampling rates up to 192 kHz. The Bryston USB​
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Converter is built upon low phase noise clocks inside the Bryston USB Converter to run as the master audio clock, resulting in​
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extraordinarily low jitter output. Digital Outputs include AES/EBU, BNC and COAX. High quality output transformers isolated the​
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output signal from any computer noise.​
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Description:

The goal of any quality USB converter is to convey the exact bits in the audio signal, with the least amount of ‘jitter’ possible.​
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Most USB Converter devices are capable of delivering the correct bits. However, the timing is a different matter. Timing errors​
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in the signal can come from a number of different sources: noisy power supplies or clocks, timing errors already present on​
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the audio signal being encoded, and noise in the transmission line, just to name a few. Most crucially, the Bryston​
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USB Converter controls the master timing of the audio system. So, rather than the computer (Laptop) running the master​
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clock, and the audio device slaving to this, the main system clock is in the Bryston USB Converter, and the rest of the system​
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slaves to it.​

The last feature, which is frequently referred to by the technical name "asynchronous" (as opposed to "isochronous"), is the key​
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to obtaining ultra-low jitter on USB devices. With asynchronous USB receivers, the jitter is essentially limited only by​
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the clocks on the audio device, plus any [typically very small] timing errors from additional logic gates that the clock signal​
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must travel through. Critical to any high-end audio design is the power supply. Most USB type adapters are powered​
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through the USB bus connection in the computer (Laptop). The power coming from the computer is supplied at 5 volts, although​
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is typically not terribly clean, due to noise in the computer and other attached peripherals, such as hard drives. In the​
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Bryston USB Converter we employ a proprietary high quality Bryston power supply with ultralow noise linear power​
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regulation, clean power rails for the internal circuitry. In order to supply clean power to the on-board circuitry, the Bryston​
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uses a combination of power supply filtering and an newly released power down regulator. Power coming into the device​
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is first PI filtered (CLC), which gives a two-pole attenuation for noise above roughly 3kHz. This works to eliminate​
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high frequency noise, which down-regulators are typically not as good at rejecting. This filtered signal, which is slightly​
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less than 5V (due to resistive elements in the passive filter), is down regulated to 3.3V for the digital electronics, and​
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a separate 3V line for the clocks. ​
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Features:

• USB Input (resolution capable of 192/24 bit)​

• AES EBU Balanced 110 Ohm Output​

• COAX SPDIF Output​

• BNC 75 Ohm SPDIF Output​

• Outputs Transformer Coupled ​

• Input Sample Rate Indicators ​

• Power on/off switch​

• Trigger input (low voltage)​

• Matching Bryston Cosmetics​
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Specifications:
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• USB Input (resolution capable of 192/24 bit)​

• AES EBU Balanced 110 Ohm Output​

• COAX SPDIF Output​

• BNC 75 Ohm SPDIF Output​

• Outputs Transformer Coupled ​

• Input Sample Rate Indicators​
 
• Power on/off switch​

• Trigger input (low voltage)​

• Matching Bryston Cosmetics​
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Thank You.
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Drew Baird, P.E. 
Moon Audio ​
140 Iowa Lane​
Suite 204​
Cary, NC 27511 
919-649-5018 
drew@moon-audio.com
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