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Add Extra Channels to Your 9B SST2
Easily add extra channels to your three-channel or four-channel Bryston 9B SST2 power amplifier for up to five channels of pristine amplification.
This 140-watt amp module is completely self-contained with audio circuitry, connectors, and an independent power supply.
Modular Design/Independent Power Supplies
No matter how good an amplifier's signal path may be, it's meaningless if it's starved in the power supply, an all too common way of cutting costs. One of the things that makes the Bryston SST2 Series unusual is the company's insistence that every amplifier in the line have a completely separate and independent power supply for each channel, including its own toroidal transformer.
Bryston's research has shown that separate power supplies provide the best imaging, clarity, and dynamic range , all attributes that are especially crucial given the emerging and demanding high resolution digital sources. The power supplies employ multiple filter capacitors per channel, rather than single pairs of larger filter cans, allowing improved high frequency response, and reducing overall losses in the supply.
Bryston uses only the finest components, such as 0.1% metal-film resistors, polypropylene capacitors, custom-wound toroidal transformers, and hand-matched transistors, to reduce noise and distortion to the absolute minimum.
Unique Burn-In Procedure
For Each and every Bryston audio product undergoes an extensive quality control 'burn-in' procedure. Following a complete operational checkout, every amplifier is placed on a test-bench and run for 100 hours at full output (one-hour on/one-hour off for additional thermal stress), with a high frequency square-wave input and a capacitive load. This extremely rigorous burn-in quickly 'matures' components and weeds out any potential premature failures. The result is reliable trouble-free performance for many years.
Praise for the Bryston 9B SST2
"With big multichannel amps, people tend to focus on raw power and bass-both of which are abundant with the 9B SST. However, as I switched over to multichannel music, it was this amp's performance with midrange and high frequencies that sucked me in."
"The clarinet's timbre throughout Bucky Pizzarelli's outstanding Swing Live disc was as true as I've heard it. High notes hit with passion and attack but didn't drive you out of the room with hardness or excessive bite. The 9B SST slugged its way through Jerry Goldsmith's dense SACD rendering of 'The Generals' with little obvious effort, even at higher volumes. If you think 120 watts is a low power rating, don't worry. This amp has plenty of current and punch to fill rooms far larger than those it will likely be used in, and it does so without any compromise in dynamic range. 'The Generals' runs the gamut from loud to soft and dense to sparse, and the Bryston was ready with instant power and a massive, well-defined stage."
- Chris Lewis, Home Theatermagazine
"The laboratory results are sheer delight. For the 80 attainable points for tonal quality, the Bryston combination achieved a full 78, and the two missing points are really a theoretical margin rather than an appropriate criticism. That the Bryston combination is able to handle every kind of sound perfectly was ultimately also confirmed by the listening test."
"Delicately and at the same time powerfully the signal triumphed through our loudspeakers and did not hold back the slightest detail - true high end in its most forthright form."
"The Bryston equally fascinatingly reproduced movie sound tracks, no matter whether soft tones or room atmosphere was called for, or brutal bass heavy thunderstorms and directional effects all around. The reproduction pulled the listeners downright into the scenes."
- Germany's AudioVisionmagazine, April 2004
"The uncompromising construction of the Bryston five channel power amplifier promises prolonged hearing enjoyment. Soundwise it ranks above its predecessor by allowing more of the music to come through, and by providing still more air in the middles and highs."
- Germany's AUDIOphilemagazine, January 2004
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