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"Five Stars" from What Hi-Fi Magazine
Product of the Year, 2008 -- Electronic House Magazine
One of the Most Sonically Transparent Amps Ever
The Bryston B-100 SST Integrated Amplifier is without question one of the most sonically transparent and reliable audio products available, judging by the rave reviews that this amp has received in the audiophile press. Without question, the Bryston offers performance levels equal to the finest separate audio components.
The April 2008 issue of the British magazine What Hi-Fi Sound and Vision lists their top choices and best buys in quality hi-fi components for 2008. The Bryston B-100 SST not only made the list, but also earned the highest possible rating of Five Stars.
According to Larry Greenhill in the April 2007 issue of Stereophile, the Bryston B-100 SST “integrated amplifier connects me to what I truly love in my music collection, and proves that multiple audio functions can work well in a small package.”
“The appearance and feel of this integrated amplifier make it obvious that it’s built to last as long as its 20-year warranty would suggest,” observes Philip Beaudette in his August 2006 review for SoundStage! “The B100 SST gives the sense of hearing everything on a CD…. The background was dead silent as the noise floor dropped to a level of inaudibility.”
Tonally Neutral, Dynamically Superb
"It is tonally neutral, dynamically superb, and functionally flawless," says Michael Trei in the May 2008 issue of Sound & Vision magazine. "While the Bryston's low-frequency prowess wasn't really unexpected, what did surprise me was how the B100's palpable transparency and focus extended right up into the midrange and treble."
“The Bryston B100-DA is one of the best and most versatile integrated amplifiers ever designed and produced, one with no flaws, no quirks, and no temperament, but pure high end all the way home,” raves Issue 17 of Audio Ideas Guide. “I can’t think of a better way to start and complete a true high fidelity system.”
The B100 SST is a state of the art analog stereo integrated amplifier, which utilizes ‘software’ control. The software allows Bryston to provide many more features and functions while still adhering to traditional fully discrete analog circuits throughout the amplifier circuit path.High Current Reserves
High current reserves allow the B-100 to provide the lightning-fast response, which the realistic reproduction of music requires in hi-fi or movie soundtrack applications. This agile amp delivers a super-clean output of 100 watts per channel at 8 ohms, or 180 watts at 4 ohms.Fully Discrete Signal Circuitry
All signal circuitry in the B-100 is fully discrete to avoid the compromises, phase shift and nonlinearities inherent in IC’s. Two completely separate and independent custom torodial power supplies are employed to prevent any possibility of channel to channel crosstalk or interference. Another contribution to signal purity comes from Bryston’s unique ultra-linear input buffer, which results in a substantial reduction in noise floor and distortion.
The B-100 is available with an optional modular plug-in Moving Magnet Phono stage (B-100P) as well as an optional plug-in Digital stage (B-100DA) for state of the art PCM Digital playback. Both the MM phono stage and the Digital stage are available from the manufacturer. The modular design of the B-100 makes it easy to add either of these great options at a later date.Four Assignable Digital Inputs with B100-DA Model
With the B100-DA model (with internal DAC), four assignable digital inputs provide a critical link with disc players and other digital gear (an optional DAC is available from Bryston). A software-upgradeable RS232 control and IR control make the Bryston custom installation friendly.
Gold plated five-way speaker binding posts and gold plated RCA input and output connectors provide long-term trouble-free connections. A headphone output on the front panel allows for monitoring and private listening. A programmable pass-through feature gives you even more operational flexibility.
How are components selected and installed in a Bryston product?
Starting with a bare circuit board each component is hand selected and installed, every wire is cut and bent by hand, every connection is hand soldered. Although Bryston could do the job much faster by employing wave-soldering machines typically used in large assembly operations, that would mean exposing the entire board to a molten-metal bath. This is a source of extreme heat shock that could result in long-term reliability problems. Bryston's focus on excellence just doesn't allow for these kinds of short-cuts.
How many hours does it take to build a Bryston product?
The skilled technicians that build Bryston products are not pressured by schedules or quotas. On average, it takes 30-35 person hours to assemble a single Bryston amplifier or preamplifier. The company believes in quality, not quantity.
What kind of product testing does Bryston do?
Frequent inspection and extensive testing are a critically important part of the Bryston assembly process.
Individual components, completed circuit-boards, sub-assemblies and final assemblies are all put through rigorous inspection and testing procedures. Are the soldering joints all clean? Is every component aligned properly? Is the internal wiring laid-out symmetrically and neatly? During every stage of production, quality and performance are checked - and rechecked - against exacting tolerances and specifications.
At the point of final assembly, many manufactures immediately pack their amplifiers into boxes for shipment. However, at Bryston, each of the fully assembled products is connected to what the company calls a "burn-in table." For example, during 100 hours of continuous testing, Bryston amplifiers are monitored through a range of input cycles and thermal stress levels to duplicate a broad spectrum of operational loads. If any failures occur, the company catches them here, before you begin using our product.
Then, and only then, are Bryston products sent to the final quality inspection area for a comprehensive and carefully documented test of all their functions. The printed results of this computer-aided analysis are actually shipped with each unit. During this intensive procedure, Bryston rejects any product that falls outside of advertised specifications, or an even narrower band of specifications used for internal testing. As a result, you can expect each Bryston product to perform as least twice as well as the advertised specifications.What kind of manufacturer's warranty do Bryston products have?
The Bryston manufacturer's warranty is unprecedented in the consumer electronics market.
Bryston analog audio circuits are warranted to be free from manufacturing defects for twenty (20) years from the original date of manufacture. The warranty includes parts and labor.
Bryston Digital circuits and cables are warranted for five years from the original date of manufacture. The warranty includes parts and labor.
Bryston products having motorized moving parts, excluding motorized volume controls, are warranted for three years from the original date of manufacture. The warranty includes parts and labor.
In the event of a defect or malfunction, contact Bryston's repair centers for return authorization.
I'm excited about Bryston's B100-DA SST integrated amplifier. Not only is it a rugged and reliable amplifier with a 20-year warranty, it's small, compact, and with the DAC option, it will integrate well with an audio system based on a centralized, wirelessly delivered music library. Whether playing music from a hard drive, or downloaded, or streamed from such services as Pandora.com or Rhapsody.com, the owner of a B100-DA will be able to tap an excellent sonic source.
Sonically, the B100-DA has much of the 4B-SST's character, with its bass definition and speed, openness of high frequencies, and soundstage width, lacking only the 4B-SST's deep-bass punch and greater macrodynamics.While it's easier to warm up to an amplifier with a seductively captivating midrange, such as the much more expensive VTL S-400 ($20,000/pair), the B100-DA is much more neutral and can also throw one of the deepest, broadest soundstages of any amplifier I've heard.
And for streaming digital sources, I'll take the B100-DA's tonal neutrality, conveniences, small size, easy installation, built-in DAC, and backlit remote. Combine all of those features with the B100-DA's bass definition, wide soundstaging, and open highs, and I can hear the music's subtlest details through my Quad ESL-989s. Like Bryston's own 14B-SST and 4B-SST, their little B100-DA SST integrated amplifier connects me to what I truly love in my music collection, and proves that multiple audio functions can work well in a small package.
--Larry Greenhill, Stereophile, April 2007