PSB Imagine B50 Bookshelf Speaker (Pair) at Vinyl Sound Toronto Canada

The Imagine B50 is a 2-way bookshelf loudspeaker from PSB Speakers (Pickering, Ontario, Canada), available at Vinyl Sound in Toronto, Canada. Rooted in over five decades of research conducted alongside Dr. Floyd Toole and the National Research Council of Canada, the B50 delivers the brand's hallmark true-to-nature sound in a compact, stand-mount cabinet. It features a 5.25" woven carbon fibre woofer, a 1" titanium dome tweeter with ferrofluid neodymium magnet, and a frequency response of 45 Hz to 23,000 Hz (±3dB). Now part of the Lenbrook Group of Companies alongside NAD Electronics, PSB brings flagship-grade engineering to the Imagine series, making the B50 one of the most accomplished bookshelf speakers available in Canada at its price point. It earned the Audiophilia Star Component Award (2024) and received significant critical praise from SoundStage! Access.

Flagship Technology in a Compact Cabinet

The Imagine B50 inherits driver and crossover architecture directly from PSB's prestigious Synchrony and PWM flagship series. The 1" titanium dome tweeter employs an advanced neodymium magnet system originally developed for the Synchrony line, delivering extended high-frequency output, airy top octaves, and smooth, uncolored response through the crossover region. The 5.25" woven carbon fibre woofer features a mass-loaded rubber surround and a low-resonance MDF cabinet with extensive internal bracing to control coloration and distortion. Crossover duty is handled by a fourth-order Linkwitz-Riley topology at 2,200 Hz, one of the most phase-coherent filter designs in loudspeaker engineering. The woofer-above-tweeter driver arrangement is intentional: it tilts the in-phase lobe of both drivers upward, optimizing the listening window for seated listeners at standard stand heights. PSB recommends a 24" stand for ideal ear height alignment.

Bass-Reflex Design and Placement Versatility

The B50's rear-facing slot port enables a bass-reflex tuning that extends low-frequency output well beyond what the cabinet size suggests, reaching down to 45 Hz on-axis. This design allows the speaker to perform convincingly without a subwoofer in small to medium rooms, a quality that surprised reviewers at SoundStage! Access and Audiophilia. Power handling is rated at 20 to 150 watts (recommended), with a nominal impedance of 8 ohms and a minimum of 4 ohms, making the B50 compatible with a wide range of stereo amplifiers and AV receivers. The dual five-way gold-plated binding posts accept bare wire, banana plugs, and spade connectors, supporting both stereo hi-fi and multi-channel home theatre configurations. The B50 pairs naturally with electronics from NAD Electronics, Bluesound, and other Lenbrook Group brands, and can be mounted on PSB's AST-25 or Synchrony SST-24 speaker stands for optimal positioning.

Key Features

• 5.25" Woven Carbon Fibre Woofer: Mass-loaded rubber surround and rigid cone deliver controlled, low-distortion bass with extended low-frequency reach down to 45 Hz.
• 1" Titanium Dome Tweeter with Ferrofluid Neodymium Magnet: Synchrony-derived driver design provides effortless high-frequency extension, smooth crossover integration, and high power handling.
• 4th-Order Linkwitz-Riley Crossover at 2,200 Hz: Minimizes phase error in the critical midrange region, ensuring seamless driver integration and time-coherent playback.
• 2-Way Bass-Reflex with Rear Slot Port: Rear-facing port extends bass output and maintains dynamic authority at moderate to high listening levels.
• Woofer-Above-Tweeter Driver Layout: Positions the in-phase lobe upward for optimal dispersion and imaging when the speaker is placed on a 24" stand at seated listening height.
• Low-Resonance MDF Cabinet with Bracing: Extensive internal bracing suppresses cabinet resonance, preserving midrange clarity and tonal accuracy across the listening window.
• Dual Five-Way Gold-Plated Binding Posts: Accepts bare wire, banana plugs, and spade connectors for flexible amplifier and receiver connectivity.
• Multi-System Compatibility: Equally at home in a stereo hi-fi setup, a 2.1 system with a subwoofer, or as surround speakers in a multi-channel home theatre configuration.
• Minimalist Cabinet Design: Available in Satin Black and Satin White with aluminum trim and chamfered edges, complementing the PSB PWM Series for a unified home theatre aesthetic.

Technical Specifications

Awards and Critical Recognition

• Audiophilia Star Component Award, 2024
• SoundStage! Access Editors' Pick Recommendation, SoundStage! Access, April 2024

Frequently Asked Questions

What is the PSB Imagine B50?

The PSB Imagine B50 is a 2-way bookshelf loudspeaker from PSB Speakers, a Canadian brand based in Pickering, Ontario. It features a 5.25" woven carbon fibre woofer, a 1" titanium dome tweeter, a fourth-order Linkwitz-Riley crossover at 2,200 Hz, and a bass-reflex enclosure with a rear slot port. The B50 extends down to 45 Hz and handles up to 150 watts of program power, making it a high-performance option for stereo hi-fi, home theatre, and music streaming systems.

How does the PSB Imagine B50 compare to the Klipsch RP-600M and Polk Audio Reserve R200?

The PSB Imagine B50 prioritizes a neutral, reference-grade tonal balance rooted in National Research Council of Canada science, whereas the Klipsch RP-600M uses a Tractrix Horn-loaded tweeter to deliver higher sensitivity (96 dB) and a more forward presentation. The Polk Audio Reserve R200 offers a similarly refined voicing with its Pinnacle Ring Radiator tweeter, but the B50 extends deeper in the bass at 45 Hz versus the R200's rated 48 Hz and benefits from the Synchrony-derived neodymium tweeter for smoother top-octave performance. Listeners who value accuracy and wide dispersion across the listening window typically favour the B50, while those seeking a more energetic, high-efficiency sound may lean toward the RP-600M.

Can the PSB Imagine B50 work without a subwoofer?

Yes, the PSB Imagine B50 performs convincingly without a subwoofer in small to medium-sized rooms. Its bass-reflex design with rear slot port reaches down to 45 Hz, providing enough low-frequency foundation for most music genres, film dialogue, and moderate home theatre use. Reviewers at SoundStage! Access noted the B50's bass extension as surprisingly capable for its cabinet size. For dedicated home theatre use in larger rooms or for bass-heavy music, pairing the B50 with a subwoofer from a brand such as SVS or PSB itself will further extend dynamic range and low-frequency output.

What is the Linkwitz-Riley crossover and why does it matter?

A Linkwitz-Riley crossover is a type of audio filter that splits the signal between the woofer and tweeter with minimal phase error at the crossover point. In the Imagine B50, PSB uses a fourth-order Linkwitz-Riley design at 2,200 Hz, which ensures the two drivers combine acoustically in phase across the listening window. This translates to a seamless, coherent midrange with no audible stitching between drivers, a trait particularly important for vocal reproduction, acoustic instruments, and complex orchestral passages.

What amplifier power does the PSB Imagine B50 need?

The PSB Imagine B50 is rated for 20 to 150 watts from a compatible stereo amplifier or AV receiver. With a nominal impedance of 8 ohms and a listening-room sensitivity of 87 dB, the B50 is easy to drive and compatible with a broad range of amplification, from entry-level integrated amplifiers to separates. It pairs naturally with NAD Electronics integrated amplifiers such as the NAD C 3050, as well as Bluesound Powernode streaming amplifiers and WiiM Amp streaming amplifiers for a compact, high-performance system.

Is the PSB Imagine B50 suitable for home theatre use?

Yes, the PSB Imagine B50 is well suited for home theatre applications as front left and right speakers or as surround satellites. Its wide horizontal dispersion, neutral midrange, and bass-reflex design produce accurate dialogue reproduction and enveloping soundstage performance for film and television content. The speakers can be mounted on PSB's AST-25 floor stands and integrate into any multi-channel system driven by an AV receiver. For a full PSB Imagine home theatre, they pair with the Imagine T54 and T65 towers and a dedicated centre channel speaker.

Where can I buy the PSB Imagine B50 in Toronto or Canada?

The PSB Imagine B50 Bookshelf Speaker (Pair) is available at Vinyl Sound in Toronto, Canada. Vinyl Sound is an authorized PSB dealer serving Toronto and the greater Canadian hi-fi community, offering expert guidance on pairing the B50 with compatible amplifiers, stands, and streaming sources. Visit Vinyl Sound in Toronto or shop online through the Vinyl Sound Canada store.