Bryston B135 SST/2

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SoundGame

Bryston B135 SST/2
« on: 29 Mar 2012, 01:28 pm »
I was surprised and excited to hear about the new Bryston B135 SST2 integrated that was just shown at the Son&Image:





I found this brochure on the web, as well, with the details:
ftp://bryston.com/pub/MEMOS.../Bryston-B135%20brochure.pdf

I'm curious as to why it's a 135 and not either a 130 or 140??  Never seen Bryston quote to 5 watts - I'd be interested to know why - marketing decision?

SoundGame

Re: Bryston B135 SST/2
« Reply #1 on: 29 Mar 2012, 01:30 pm »
Curious - the link to the brochure doesn't appear to work but here's the content:

B135 SST2
The Bryston B135 SST22 Integrated Amplifier is without question one of the most sonically transparent and
reliable audio products available. It offers performance levels equal to the finest separate audio components.
The B135 SST2 provides 135 watts per channel at 8 ohms and 180 watts per channel at 4 ohms. There are
provisions for 7 high level inputs, a pass-through feature is also available in addition to, one tape loop and a preout/
main-in feature. A headphone jack is provided for those requiring monitoring and private listening provisions.
A fully functioning remote control is standard.
• Three completely separate and independent custom
torodial power supplies are employed to prevent any
possibility of channel to channel cross talk, interference
or interaction between digital and analog sections.
• Our unique ultra-linear input buffer with gain results
in a substantial reduction in noise floor and distortion.
• Pass-through feature to allow for simple integration
into multi-channel surround systems.
• Pre-out/main-in connectors allow for complete
separation of the preamplifier and power amplifier
sections making multi-channel system integration
quick and easy.
• Gold plated five-way speaker binding posts and gold
plated RCA/SPDIF input and output connectors
provide long-term trouble - free connections.
Performance, Reliability, and Convenience
C-Series Integrated Amplifier
B135 SST2
C-SERIES INTEGRATED AMPLIFIER
FEAT URES INCLUDE:
• New cosmetics
• 135 watts per channel 8 ohms, 180 watts 4 ohms
• New SST2 output devices
• Over 30,000 MFD of filter capacitance per channel
• Three New ultra-low-noise power transformers - 2 for analog, - 1 for Digital
• Totally separate ground paths for Digital and Analog sections
• New computer modeled heat-sink design
• Two quick connect 12 Volt output triggers – One Programmable
• New Digitally Controlled Analog Volume
• Full Function Remote
• 4 Assignable Digital inputs
• R232 Control and Software Upgradable
• IR Control
• Headphone Jack
• Two Optical and Two SPDIF inputs
• Optional Internal Phono Stage
• Optional Internal D to A Converter
• 20 Year Warranty
precision high-resolution
audi o headp hone pla ybac k
PREAMPLIFIER
Frequency Response 20Hz - 20kHz +/- .05dB
IM or THD Less than 0.003%
High Level
Sensitivity
500mV
Rated Noise Ref. 500mV
20-20kHz - 100dB
Features • 6 stereo RCA inputs
• 4 with DAC option
• 1 stereo RCA output
• 1 stereo tape loop
• Headphone output
• Full remote control standard
• Optional MM phono stage
• Optional DAC
AMPLIFIER
Watts 135 watts per channel, 8 ohms
180 watts per channel, 4 ohms
Harmonic
Distortion
Less than .005% from 20Hz to
20kHz at 100 watts
IM Distortion Less than .005% from 10
milliwatts to 100 watts
Noise 108dB below full output
Slewing Rate > than 60 volts per microsecond
Power
Bandwidth
.5Hz to over 100kHz
Damping Factor Over 500 at 20Hz, ref. 8 ohms
Input Sensitivity
and Impedance
1 volt in = 100 watts 50 k
Features • Regulated power supplies to all
voltage gain stages
• Each channel employs completely
independent power supply
• Will deliver full output to any
phase angle at 4 ohms or higher.
• 1 stereo RCA input, 50K
• Pre-out/main-in connectors
Dimensions 19 or 17 x 4.75 x 16 inches,
48.26 or 43.18 x 12.1 x 40.64 cm
wt: 30 lbs, 13.6 kg
Finish Silver or Black
+ BRYSTON WARRANTY
In a world where most things seem to need frequent
upgrading, repair, or replacement, how can Bryston offer
a comprehensive, unconditional, and fully transferable
warranty on every audio product we make?
The answer would quickly become apparent if you
were to tour Bryston’s plant in Peterborough, Ontario,
Canada. State-of-the-art design facilities, with the latest
CAD and circuit simulation software, and an inventory of
some of the best and most reliable parts on the planet,
combine with a manufacturing philosophy that eschews
the artifacts of mass production — robots, moving
assembly lines, and, frankly, shortcuts. Every Bryston
audio component is handcrafted by people who take great
pride in building the very best. We don’t skimp on testing
or rush our products through some last-minute go/
no-go check; at every stage individual parts, completed
circuit-boards, sub-assemblies, and final assemblies are all
put through rigorous inspection and testing procedures.
When completed, every Bryston amplifier receives a
comprehensive and carefully documented test of all its
functions, and the printed results of this computer-aided
analysis are actually packed and shipped with each unit.
During this intensive procedure, we not only reject any
product that falls outside of our advertised specifications,
but also any not meeting an even narrower band of
specifications that we use for internal testing. As a result,
you can expect each Bryston product to perform as least
twice as well as the advertised specifications.
Our 20-year amplifier warranty and 5-year digital circuit
warranty drives us in a different direction from the
typical manufacturer. We consider a Bryston product to
be a mutual investment: by you, in an amplifier of lasting
quality, and by us, in that we invest in the quality of the
product in order to be secure in offering our warranty. It
simply makes good economic sense to produce the very
best products we can.
Canada’s largest independent manufacturer of high-end audio electronics
for consumers and professionals. Founded 1962.
Bryston Limited P.O. Box 2170, 677 Neal Drive, Peterborough,
Ontario Canada K9J 7Y4 1-800-632-8217 bryston.com

James Tanner

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Re: Bryston B135 SST/2
« Reply #2 on: 29 Mar 2012, 01:42 pm »





A few new ideas in the design. :thumb:

james


SoundGame

Re: Bryston B135 SST/2
« Reply #3 on: 29 Mar 2012, 01:47 pm »
James - a couple questions:

What is the expected MSRP on the B135 and when is it expected to ship?
Why the decision to go with 135wpc and not 130 or 140?
Will the B135 replace the B100?

Thanks very much.

James Tanner

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Re: Bryston B135 SST/2
« Reply #4 on: 29 Mar 2012, 01:53 pm »
James - a couple questions:

What is the expected MSRP on the B135 and when is it expected to ship?
Why the decision to go with 135wpc and not 130 or 140?
Will the B135 replace the B100?

Thanks very much.

HI,

Same price as the B100 - doing our best to hold the line :thumb:
We under-rate our products a specific percent based on the total power it can do so the 135 watt is the rating based on that formula.
Yes the B100 is being replaced

james

SoundGame

Re: Bryston B135 SST/2
« Reply #5 on: 29 Mar 2012, 01:53 pm »
Just noticed that on the Bryston website the B100-SST, under Features on the webpage is quoted as having over 44,000 MFD of capacitance per channel - is that correct?  The B100 only has 33,000 MFD per channel.

 :scratch: 

James Tanner

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Re: Bryston B135 SST/2
« Reply #6 on: 29 Mar 2012, 01:55 pm »
Just noticed that on the Bryston website the B100-SST, under Features on the webpage is quoted as having over 44,000 MFD of capacitance per channel - is that correct?  The B100 only has 33,000 MFD per channel.

 :scratch:

Hi - yes that 44,000 is incorrect - the B100 and the B135 have 33,000.

james

SoundGame

Re: Bryston B135 SST/2
« Reply #7 on: 29 Mar 2012, 02:00 pm »
My next question is: when, when, when?

And also, it would be great to see the front of the B135 use the 2B-SST2 faceplate (with the semi-circle concave channel horizontally) or something reminiscent of the new SP3 faceplate, as that seems to be the direction you're going with the series.


James Tanner

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Re: Bryston B135 SST/2
« Reply #8 on: 29 Mar 2012, 02:05 pm »
My next question is: when, when, when?

And also, it would be great to see the front of the B135 use the 2B-SST2 faceplate (with the semi-circle concave channel horizontally) or something reminiscent of the new SP3 faceplate, as that seems to be the direction you're going with the series.

Just sending out the announcements today and we are starting to build next week.

james

SoundGame

Re: Bryston B135 SST/2
« Reply #9 on: 29 Mar 2012, 02:08 pm »
Just sending out the announcements today and we are starting to build next week.

james

Great job overall with giving more bang for the buck to the consumer...always a welcome thing.. :thumb:

This would be a very tempting alternative to a BP6 with 2B-SST2 pairing and I would be very curious as to which would come up on top sonically. 

All the best!

SoundGame

Re: Bryston B135 SST/2
« Reply #10 on: 29 Mar 2012, 02:17 pm »
Hi James - when you get a chance - could you provide some hi-rez inside pictures?  I'm very curious as to the changes in the internal layout with the added 3rd transformer, which I assume is for the preamp section. 


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Re: Bryston B135 SST/2
« Reply #11 on: 29 Mar 2012, 02:20 pm »
Hi James - when you get a chance - could you provide some hi-rez inside pictures?  I'm very curious as to the changes in the internal layout with the added 3rd transformer, which I assume is for the preamp section.

The 3rd transformer is for the digital section.

james

servingko

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Re: Bryston B135 SST/2
« Reply #12 on: 29 Mar 2012, 02:26 pm »
Is this primarily a repackaged B100 or are there sonically significant differences?

SoundGame

Re: Bryston B135 SST/2
« Reply #13 on: 29 Mar 2012, 02:27 pm »
The 3rd transformer is for the digital section.

james

Without the optional internal DAC, what's in the digital section - lights, volume control, anything else?

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Re: Bryston B135 SST/2
« Reply #14 on: 29 Mar 2012, 02:36 pm »
Is this primarily a repackaged B100 or are there sonically significant differences?

No - it is a complete redesign based on what we learned from the SP-3 preamp section and some new power amp circuit ideas.

james

servingko

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Re: Bryston B135 SST/2
« Reply #15 on: 29 Mar 2012, 03:10 pm »
Thanks for the clarification.  Sounds very promising and on my watch list!

James Tanner

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Re: Bryston B135 SST/2
« Reply #16 on: 29 Mar 2012, 03:16 pm »
Without the optional internal DAC, what's in the digital section - lights, volume control, anything else?

Just some digital logic control.

james

werd

Re: Bryston B135 SST/2
« Reply #17 on: 29 Mar 2012, 03:38 pm »
This sounds like a pre-curser to a new pre amp? Tempted by this, really do feel like scaling down into a smaller system.

SoundGame

Re: Bryston B135 SST/2
« Reply #18 on: 29 Mar 2012, 03:44 pm »
This sounds like a pre-curser to a new pre amp? Tempted by this, really do feel like scaling down into a smaller system.

Tempting to me as well.  Yes, Werd, you've raised a good point.  I'm wondering if the preamp section of the B135 would outperform say the BP16? 

It couldn't be better than the SP3 is 2-ch, which I understand is on par with the BP26 but the question is how close is it to the SP3 in 2-ch?

mkaiser

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Re: Bryston B135 SST/2
« Reply #19 on: 29 Mar 2012, 04:02 pm »
Hi James,
Will the DAC option for this unit utilize the Crystal DAC or the one used in BP26/6?

Thanks,

Mark