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Thread: NEW Bryston BUC-1 USB Converter
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July 2, 2013, 03:20 PM #1
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NEW Bryston BUC-1 USB Converter
Hi Folks,
We are getting close on this:
MEMO: To All Bryston Customers July 2013
SUBJECT: NEW Bryston BUC-1 USB Converter
BRYSTON BUC-1
(Bryston USB Converter)
Bryston is pleased to announce our BUC-1 new USB Converter.
BUC-1.jpg
The Bryston USB Converter provides a high resolution, ultra low jitter digital audio signal interface between your computer (Laptop, Desktop, Notebook etc.) utilizing a single, USB cable.
The Bryston BUC-1 Converter allows for native 24 bit resolution at sampling rates up to 192 kHz. The Bryston USB Converter is built upon low phase noise clocks inside the Bryston USB Converter to run as the master audio clock, resulting in extraordinarily low jitter output. Digital Outputs include AES/EBU, BNC and COAX. High quality output transformers isolated the output signal from any computer noise.
The goal of any quality USB converter is to convey the exact bits in the audio signal, with the least amount of ‘jitter’ possible. Most USB Converter devices are capable of delivering the correct bits. However, the timing is a different matter. Timing errors in the signal can come from a number of different sources: noisy power supplies or clocks, timing errors already present on the audio signal being encoded, and noise in the transmission line, just to name a few.
usb-rev2-02.jpg
Most crucially, the Bryston USB Converter controls the master timing of the audio system. So, rather than the computer (Laptop) running the master clock, and the audio device slaving to this, the main system clock is in the Bryston USB Converter, and the rest of the system slaves to it.
The last feature, which is frequently referred to by the technical name "asynchronous" (as opposed to "isochronous"), is the key to obtaining ultra-low jitter on USB devices. With asynchronous USB receivers, the jitter is essentially limited only by the clocks on the audio device, plus any [typically very small] timing errors from additional logic gates that the clock signal must travel through.
Critical to any high-end audio design is the power supply. Most USB type adapters are powered through the USB bus connection in the computer (Laptop). The power coming from the computer is supplied at 5 volts, although is typically not terribly clean, due to noise in the computer and other attached peripherals, such as hard drives. In the Bryston USB Converter we employ a proprietary high quality Bryston power supply with ultralow noise linear power regulation, clean power rails for the internal circuitry.
In order to supply clean power to the on-board circuitry, the Bryston uses a combination of power supply filtering and an newly released power down regulator. Power coming into the device is first PI filtered (CLC), which gives a two-pole attenuation for noise above roughly 3kHz. This works to eliminate high frequency noise, which down-regulators are typically not as good at rejecting. This filtered signal, which is slightly less than 5V (due to resistive elements in the passive filter), is down regulated to 3.3V for the digital electronics, and a separate 3V line for the clocks.
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
Dimensions: (L.W.H.) 8 inches x 5.5/8 inches x 2.25 inches
Shot of interior
IMG_1910s.jpg
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AudioShark forum is a leading forum site for High End Audio Discussion, Stereo System Discussion, Home Theater System Discussion, Best Home Stereo System Discussion, Home Theater Installation Discussion etc.
The AudioShark forum was created for sharing the passion of high-end Audio. We have Audiophiles from all over the world participating and sharing their knowledge. From novice to experts, you will find a friendly environment for discussing about High End Audio, Stereo System, Home Theater System, Home Stereo System, Home Theater Installation, Amplifiers, Speakers, Subwoofers, Integrated System, Acoustic treatments & Digital Room Corrections and many more.
At AudioShark, we also have incorporated an exciting Marketplace where members can peruse terrific buys on used gear, as well as meet dealers and discuss the purchase of new gear.
We are as crazy about this hobby as you are! So come on in and join us! Audioshark.org the Friendliest Audio Forum!
Industry Participation Disclosure : The owner and administrator of Audioshark is the owner of Suncoast Audio LLC in Sarasota Florida. Suncoast Audio has a full brick and mortar presence in Sarasota with several great show rooms with many world class brands. More information can be found at http://www.suncoastaudio.com
Audioshark is a community of like minded individuals. Audioshark welcomes participation from all manufacturers and owners of all brands and products. It is our belief that online forums provide a community of like minded audiophiles and music lovers to encourage the growth of this wonderful hobby.
Sincerely,
The Audioshark.org Team
Agreed on the new series. Never could get into the older series. One of the reasons I like the newer series is Hiroyuki Sanadai's performance. I remember first seeing him in The Last Samurai.
Shogun