Bryston
3B Cubed Amplifier - Open Box
$5,395.00 USDFeatures
Balanced and Single Ended audio inputs
Selectable gain at 23 or 29dB
Regulated power supplies to all voltage gain stages
Independent power supplies for each channel
Convection cooled and housed in a fully aluminum chassis
No fans or other moving parts
Bridging switch configures amplifier into a single 400W Channel
Harmonic Distortion: ≥.005% from 20Hz to 20kHz at 200W
Noise below full output: -110dB single ended, -113dB balanced
Slew Rate: >60V/μS
Power Bandwidth: .5Hz to >100kHz
Damping Factor: >500 at 20Hz (8Ω)
Switchable Gain: 23dB or 29dB
What's in the Box?
Warranty
The Bryston 3B Cubed amplifier is a testament to the company's unwavering commitment to hi-fi audio excellence and innovation spanning nearly five decades. Tracing its roots back to 1973, when a young engineer named Chris Russell unveiled his groundbreaking PRO 3 amplifier prototype, the 3B Cubed represents the culmination of years of continuous refinement and technological advancement.
What began as a modest yet impressive amplifier design has evolved into a true powerhouse, with the 3B Cubed boasting twice the power output of its pioneering predecessor while delivering a tenfold increase in overall performance. Despite its compact size, this amplifier is a true embodiment of Bryston's engineering prowess, featuring the same cutting-edge technologies found in the renowned 4B amplifier series. One of the standout features of the 3B Cubed is its shallow depth, making it an ideal choice for applications where space is at a premium. This compact design, however, belies the amplifier's true capabilities, as it delivers a remarkable combination of power, precision, and sonic accuracy that is typically associated with larger, more imposing amplifiers.
Designed as a dual-channel (stereo) amplifier, the Bryston 3B Cubed is tailored to meet the demands of a wide range of medium to high-power audio/video systems. Whether driving a pair of high-end loudspeakers in a dedicated listening room or serving as the backbone of an immersive home theater setup, the 3B Cubed delivers an abundance of power while preserving the intricate details and nuances that define a truly exceptional listening experience for home audio. Just connect your source (CD player, turntable, music streamer, DAC, and more) and prepare to be amazed at what Bryston can do for your music.
Bryston's commitment to sonic accuracy and long-term reliability is evident in every aspect of the 3B Cubed's design and construction. From its meticulously engineered circuitry to the carefully selected components and robust build quality, this amplifier is engineered to withstand the rigors of continuous use while delivering consistent, unwavering performance for years to come. With the 3B Cubed, Bryston has once again demonstrated its ability to push the boundaries of audio technology while staying true to its roots. This amplifier is a testament to the company's rich heritage and a shining example of its continued pursuit of audio perfection, delivering a listening experience that is both powerful and nuanced, immersive and precise – a true masterpiece of engineering and sonic craftsmanship.
Dragon Cable Recommendation: We recommend pairing the Bryston 3B Cubed Amplifier with the Silver Dragon Interconnect. Sold in Pairs, the Silver Dragon V2 is our top-of-the-line silver conductor-based interconnect. With a braided geometry and amazing shielding, this interconnect is a remarkable solution where noise isolation is key. Get the best cables for your best audio gear. Black Dragon Speaker Cables are also recommended for the best connection to your hi-fi-loudspeakers.
About Bryston Amps and Speakers:
Bryston is a leading manufacturer of high-performance audio equipment based in Ontario, Canada, renowned for its powerful and accurate amplifiers and speakers that deliver stunning sound quality. They have been designing and manufacturing state-of-the-art electronics for consumer and audio professional markets for more than 50 years. Since the debut of its first amplifier in 1973, Bryston has grown its product line to encompass a range of world-renowned Amplifiers, Loudspeakers, and Digital Audio Components. Each of Bryston's hand-assembled products is extensively tested before shipment. From their state-of-the-art solid-state amplifiers to innovative products like the Bryston 4B, BDA-3.14, BDP series, Cubed series, and the legendary Bryston 20, their amplifiers, phono preamplifiers, conditioners, and stereo power amplifiers are engineered to extract every nuance from audio sources, revealing details and dynamics that other amplifiers struggle to reproduce. Bryston's extensive lineup of amplifiers spans from compact powerhouses to massively powerful monoblock amplifiers designed to drive the most demanding speakers and subwoofers. Their amplifiers are revered for their ability to deliver a stunningly realistic and immersive soundstage with thunderous dynamics and jaw-dropping accuracy.
From their state-of-the-art solid-state power amps and headphone amplifiers (BHA-1) to innovative products like the Bryston 4B, BDA-3.14, Cubed series, and the legendary Bryston 20, their amplifiers, phono preamplifiers, conditioners, and stereo power amplifiers are engineered to extract every nuance from audio sources, revealing details and dynamics that other amplifiers struggle to reproduce. Bryston's extensive lineup of amplifiers spans from compact powerhouses to massively powerful monoblock amplifiers designed to drive the most demanding speakers and subwoofers. Their amplifiers are revered for their ability to deliver a stunningly realistic and immersive soundstage with thunderous dynamics and jaw-dropping accuracy.
Beyond just sheer power, Bryston's amplifiers (like the Bryston BP series and the Bryston 3B) are engineered with meticulous attention to detail, incorporating cutting-edge technologies and innovative features that elevate audio quality and performance to new heights. From warm, natural soundstages to precise imaging and crystal-clear clarity, Bryston amplifiers provide an unparalleled listening experience. Bryston's flagship amplifiers, like the mighty 28XO, showcase the company's dedication to crafting products that push the boundaries of audio fidelity. These behemoths are purpose-built to unleash the full potential of high-resolution audio sources, unveiling every intricate detail and nuance with uncompromising accuracy and transparency.
Bryston's top-of-the-line amps and speakers stand as titans of the audio world, delivering ground-shaking power and dynamics that transcend the capabilities of traditional amps and speakers. From studio-grade recordings to heart-pounding cinematic scores, these titans lay bare the true depth and intensity of source material, unveiling details and dynamics that lesser amplifiers would fail to reproduce. Whether concert-level bass and ponderous lows, or staggering transients and searing crescendos, Bryston redefines the limits of what is possible, delivering performance, power, and dynamics that push the boundaries of amplification and loudspeaker tech while defining new standards for what can be achieved. The perfect addition to your high-end DAC, preamp, bookshelf speakers (like the Mini A and Mini T), Bryston loudspeakers, headphone amplifiers, preamps, and more are perfect for any audiophile setup.
Bryston offers an incredible 20-year warranty on its analog audio products and loudspeakers (five years on digital products and cables). Based in Peterborough, Ontario, Canada, Bryston products are sold through over 150 dealers in North America and 60 countries worldwide. Discover why Bryston is one of the most venerated high-end audio brands in the world and learn more about the products.
Features
- Active extremely low distortion input buffer
- Balanced and Single Ended audio inputs
- Selectable gain at 23 or 29dB
- Regulated power supplies to all voltage gain stages
- Independent power supplies for each channel
- Convection cooled and housed in a fully aluminum chassis
- No fans or other moving parts
- Bridging switch configures amplifier into a single 400W Channel
- Harmonic Distortion: ≥.005% from 20Hz to 20kHz at 200W
- Noise below full output: -110dB single ended, -113dB balanced
- Slew Rate: >60V/μS
- Power Bandwidth: .5Hz to >100kHz
- Damping Factor: >500 at 20Hz (8Ω)
- Switchable Gain: 23dB or 29dB
Options
- Silver or black faceplate
- 17” or 19” faceplate (non-rack mountable) 19" comes with front-mounted handles
- PRO version includes 19" rack mount dress panel in black plus rear panel channel trim pots (-14 to 0dB)
What's in the Box?
- 3B Cubed Amplifier
- Power Cable
- Manual and Warranty
FAQ
How much power does the 3B Cubed deliver?
The 3B Cubed is a dual-channel (stereo) amplifier rated at 200 watts per channel into 8 ohms, or 300 watts per channel into 4 ohms.
What speaker loads is the 3B Cubed stable?
It is stable into 4 ohm, 8 ohm, and 16 ohm speaker loads. Check with your speaker pair to determine compatibility.
Does the 3B Cubed have balanced XLR inputs?
Yes, it has balanced XLR inputs as well as unbalanced RCA inputs.
Specifications
Dimensions | Inches: 17 or 19 W x 8.1 H x 10.75 or 12.75 (with front handles) D |
---|---|
Weight | 35 lbs | 16 kg |
Frequency Response: | <1hz - 100khz: -3db |
THD+N (20Hz-20kHz @ Rated Power, 8Ω): | <0.005% |
Power Output (per channel): | 200W @ 8Ω | 300W @ 4Ω |
Noise: | RCA: -=<106db |
XLR: <-111db | |
Input Impedance: | Unbalanced 7.5kΩ |
Balanced 30kΩ+ / 6kΩ- |