Bryston 3B³ Cubed Dual Mono Amplifier
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Pickup available at Alexandria Showroom · Usually ready in 2-4 days
4 interest-free payments of $2,374.75, paid fortnightly.
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Shipping & delivery
Free insured shipping Australia-wide on orders over $79. Every parcel is tracked and covered in transit.
Most orders dispatch within 1–2 business days, shipping either from our Alexandria warehouse or directly from the supplier, depending on the product. Delivery is usually 2–7 business days.
Large or heavy items (floorstanders, subwoofers, racks) ship by dedicated freight. You'll receive a tracking number so you can follow your order and see its expected delivery date.
Local pickup can be arranged from our Alexandria showroom. Please get in touch first so we can have your order ready. Remote-area delivery may take a little longer.
Bryston Products Currently Have A 12 Week Lead Time
The Bryston 3B Cubed: A Modern Legend with Studio Soul
In 1973, a prototype amplifier, the PRO 3, earned its place in a top recording studio on its very first audition. That legendary DNA, refined over nearly five decades of relentless engineering, lives on in the Bryston 3B Cubed. It’s an amplifier with a direct lineage to the professional world, built to deliver breathtaking realism and unflinching reliability in your home.
The Power of Purity, Distilled While it traces its heritage back to the studio, the 3B Cubed is a thoroughly modern powerhouse. It incorporates the same exclusive, patented technologies—like the remarkable Salomie circuit—found in Bryston's most venerated Cubed Series amplifiers. It shares the same sonic heart as its famous bigger brother, the 4B, offering that same level of transparency, detail, and control in a more compact and versatile form factor.
At its core is a true dual-mono design, with fully independent power supplies and transformers for each channel. This uncompromising architecture delivers a vast, stable, three-dimensional soundstage and unlocks a powerful 200 watts per channel (up to 300 into 4 ohms). This is power with purpose: an iron-fisted grip that commands your speakers, revealing effortless dynamics and subtle nuances in every recording.
Intelligently Designed for the Real World Beyond its sonic prowess, the 3B Cubed is an intelligent choice for any high-performance system. Its refreshingly shallow chassis depth makes it ideal for installations in custom cabinetry or racks where space is at a premium. Switchable gain settings ensure perfect synergy with any preamplifier, while its fanless, convection-cooled design guarantees completely silent operation. For the professional or custom installer, the PRO version adds rack mounting and rear-panel trim controls for precision calibration.
As with all Bryston components, the 3B Cubed is built to a standard, not a price. This commitment to excellence is backed by the legendary Bryston 20-year warranty, ensuring an investment that will deliver breathtaking musical realism for decades to come.
Core Features:
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True Dual-Mono Design: Two channels, each with a fully independent power supply and transformer for ultimate channel separation.
- Formidable Power: Delivers 200 watts per channel into 8 ohms and up to 300 watts into 4 ohms.
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Versatile Inputs:Features both balanced XLR and single-ended RCA inputs.
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Exclusive Circuitry:Utilises the patented Salomie circuit found in all flagship Cubed Series amplifiers.
- System Matching: Switchable gain (23dB or 29dB) allows for perfect pairing with any preamplifier.
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Silent Operation: A fully convection-cooled design means no distracting fan noise.
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Automated Control:DC trigger input allows for automated turn-on/off with other components.
- Legendary Reliability: Built to last and backed by Bryston's 20-year warranty.
Available Options:
- Finishes: Available with a silver or black anodized faceplate.
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Sizes: Standard 17” width or a 19” width which includes front-mounted handles.
- PRO Version: A professional rack-mountable 19” version in black, which adds rear-panel trim potentiometers for precise channel level matching.
Specifications
| Frequency Response: | <1Hz - 100kHz: -3dB |
| Signal To Noise: | Weighted Filter: 22Hz-22kHz, decibels below rated output: < -108dBr |
| THD+N (20Hz-20kHz @ Rated Power, 8Ω): | <0.005% |
| Power Per Channel | 200W @ 8Ω | 300W @ 4Ω |
| Noise: | RCA: -<106db XLR: <-111db |
| Input Impedance: | Unbalanced 7.5kΩ Balanced 30kΩ+ / 6kΩ- |
| Weight | 16 kg |
| Dimensions | Cm: 43 or 48.3 W x 20.6 H x 27.3 D or 32.4 (with handles) |
Free insured shipping Australia-wide on orders over $79. 30-day change-of-mind returns in original condition. Full manufacturer's Australian warranty.
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Scott · Founder, CHT Solutions
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