Bryston 3B³ Cubed Dual Mono Amplifier
SKU: 81073579886

Bryston 3B³ Cubed Dual Mono Amplifier

Sale price$4274.55 Regular price$4749.50
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Bryston 3B³ Cubed Dual Mono AmplifierBryston 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. Its an amplifier with a direct lineage to the professional world, built to deliver breathtaking realism and unflinching

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:

  • 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.
  • Versatile Inputs:Features both balanced XLR and single-ended RCA inputs.

     

  • 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.
  • Silent Operation: A fully convection-cooled design means no distracting fan noise.

     

  • 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.
  • 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)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 81073579886

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.4 ★★★★★
Based on 820 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
I
Verified Purchase
IM
Phoenix, US
★★★★★ 4
Good quality, water resistant
Size: 52 inch, Color: Black
Feels thinner than the one I had before this which was the same company and model. Still good quality and value for the money. Fits well and looks good. Is water resistant and black is the true color. We’ll see how sturdy it is over the years.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 19, 2026
T
Verified Purchase
Terra Ternes
Boise, US
★★★★★ 5
Good cover for the price
Size: 58 inch, Color: Black
I’m very happy with this grill cover so far. It fit my grill really well without being too tight or loose. The material feels sturdy and weather-resistant, and it seems like it will hold up well over time. It was easy to put on and gives good coverage and protection. Definitely worth the purchase
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
C
Verified Purchase
Cheryl A Steurer
Pawtucket, US
★★★★★ 5
Good quality for a great price!
Size: 52 inch, Color: Black
Very nice grill cover! I thought it was going to be a thin piece of plastic, but I was surprised when it came and it’s actually a substantially thick layered cover. The inside has a thermal layer I didn’t expect. Even the Velcro tabs on the sides are thick! I feel like I really got my moneys worth! I just have a regular gas grill that gets little use. I noticed this year there was rust on it in spots, so I thought a cover would help prevent any more rusting. I think this will definitely help my rust situation, plus it looks neater with a cover. Very happy with this purchase!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
J
Verified Purchase
Jordan
Port Orchard, US
★★★★★ 5
Great product
Size: 58 inch, Color: Black
This cover is excellent quality and fits my grill perfectly. The material feels durable, and it’s fully waterproof, which protects the non‑stainless steel parts from rain and moisture. Overall, it gives me great peace of mind knowing my grill is well protected.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
F
Verified Purchase
Firecapt45
Alexandria, US
★★★★★ 5
Very nice and priced right
Size: 48 inch, Color: Heavy Duty-Black
Although this cover is slightly larger than my grill, it's heavy duty and should last a long time in the weather. Installing was a breeze, and the velcro straps help secure it in place better than my last one. This truly is a nice cover and appears to be able to withstand anything thrown at it. Nice product, 2 thumbs up!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026

recommand products