PSB Passif 50 Standmount Loudspeakers (Pair) at Vinyl Sound Toronto Canada

The Passif 50 is a 50th Anniversary Edition standmount loudspeaker from PSB Speakers (Mississauga, Ontario, Canada), available at Vinyl Sound in Toronto, Canada. Created to commemorate five decades of PSB's True to Nature sound philosophy, the Passif 50 is a ground-up design inspired by the legendary Passif I and Passif II models that established PSB's reputation in the 1970s, incorporating technology developed for the flagship Synchrony Series alongside a 1" titanium dome tweeter, a 6.5" paper-cone woofer, and an 8" passive radiator. Sold as mirror-imaged pairs in an open-grained walnut veneer enclosure with dedicated stands included, the Passif 50 delivers a frequency response of 50 Hz to 20,000 Hz (±3dB) and 89dB in-room sensitivity in a cabinet that honours the past while performing with the precision of a modern loudspeaker. Honoured with an AVForums Recommended award in 2022, the Passif 50 is a fitting tribute to PSB founder and Chief Acoustic Designer Paul Barton and his 50 years of NRC-refined loudspeaker design.

Technology from the Synchrony Series in a Retro-Inspired Design

While the Passif 50 shares the driver layout and enclosure profile of PSB's original Passif models, every component is a new design drawing directly on lessons learned from the Synchrony Series. The 1" titanium dome tweeter employs a powerful neodymium magnet and Ferrofluid damping for higher output, improved power handling, and reduced distortion. A phase plug positioned in front of the tweeter's dome directs output for wide and consistent dispersion well beyond the traditional listening window, producing a wide and deep soundstage with acute imaging that is not dependent on a precise listening position. A thick felt pad surrounding the tweeter minimizes edge diffraction for improved transparency and more stable imaging across a broad listening area.

The 6.5" woofer and 8" passive radiator feature cast aluminum baskets that resist flexing and filleted rubber surrounds that damp cone resonances for smoother response and reduced distortion. Considerable engineering effort was invested in optimizing the interaction between the woofer and the passive radiator, achieving a state of balance between their opposing forces that produces deep, well-controlled bass from a closed-box acoustic architecture. The sealed enclosure design makes the Passif 50 highly tolerant of placement close to walls and room boundaries. The 1,800 Hz Linkwitz-Riley 4th-order crossover ensures a phase-accurate, low-distortion handoff between the woofer and tweeter at a frequency that keeps the critical vocal range firmly within the midrange of the woofer's operating band.

Mirror-Imaged Pairs, Anniversary Craftsmanship, and Included Stands

The Passif 50 is sold exclusively as mirror-imaged pairs, with the tweeter positioned on the inner side of each speaker's baffle. This off-centre tweeter placement, with both tweeters facing inward toward the centre of the soundstage, produces improved imaging focus and a more coherent stereo presentation than conventionally symmetrical standmount designs. The heavily braced MDF enclosure uses mitred joints throughout for improved fit, finish, and reduced cabinet vibration. Dual five-way gold-plated binding posts support bi-wiring and bi-amping configurations.

The Passif 50's open-grained walnut veneer, magnetically attached woven cloth grille with original PSB logo pull tab, and rear-panel plaque reading "Passif 50 – 1972-2022" adorned with a Canadian maple leaf give the speaker a suite of anniversary edition details that are unique in the current PSB lineup. Dedicated short wooden stands are included with each pair, raising the speaker to a conventional listening height and introducing a slight rearward tilt for improved time alignment between the tweeter and woofer at the listening position.

Key Features

• 50th Anniversary Edition, Inspired by the Passif I and Passif II: A ground-up redesign commemorating five decades of PSB loudspeaker design, the Passif 50 takes the classic driver layout and enclosure proportions of its 1970s predecessors and rebuilds them with NRC-refined Synchrony Series technology.
• 1" Titanium Dome Tweeter with Phase Plug and Felt Surround: A neodymium-powered titanium dome tweeter with Ferrofluid damping, a phase plug for wide dispersion, and a thick felt pad for edge diffraction control delivers smooth, extended, non-fatiguing treble with consistent off-axis performance.
• 6.5" Paper-Cone Woofer with Cast Aluminum Basket: A high-rigidity cast aluminum basket and filleted rubber surround reduce cone resonances and distortion, producing smooth, accurate midrange and upper-bass reproduction.
• 8" Passive Radiator: An 8" passive radiator works in a carefully optimised balance with the 6.5" woofer in a sealed enclosure, extending low-frequency output to 30 Hz (-10dB) without ports, resulting in tight, articulate bass and highly forgiving room placement characteristics.
• Mirror-Imaged Pairs with Inner-Facing Tweeters: Specific left and right speakers with tweeters positioned on the inner face of each baffle improve soundstage coherence, imaging focus, and stereo precision.
• Dedicated Stands Included: Short wooden stands included with each pair elevate the speaker to a correct listening height and introduce a slight rearward tilt for time alignment between the drivers at the primary listening position.
• Heavily Braced MDF Enclosure with Mitred Joints: All cabinet joints are mitred for improved structural integrity, reduced cabinet vibration, and a higher quality fit and finish than conventional butt-jointed enclosures.
• Bi-Wireable / Bi-Ampable via Dual 5-Way Gold-Plated Binding Posts: Two sets of five-way gold-plated binding posts support single-wire, bi-wire, and bi-amp configurations.
• 50th Anniversary Design Details: Open-grained walnut veneer, magnetically attached woven cloth grille with original PSB logo pull tab, and a rear-panel maple leaf plaque reading "Passif 50 – 1972-2022" mark this as a collector-worthy limited anniversary edition.

Technical Specifications

What's in the Box

• PSB Passif 50 Standmount Loudspeakers (Mirror-Imaged Pair, Left and Right)
• Dedicated wooden speaker stands (pair)
• Carpet spikes and rubber pad inserts for stands
• Magnetically attached woven cloth grilles
• Dual 5-way gold-plated binding posts with jumpers

Awards and Critical Recognition

• AVForums Recommended Award, 2022

Frequently Asked Questions

What is the PSB Passif 50?

The PSB Passif 50 is a 50th Anniversary Edition standmount loudspeaker from PSB Speakers of Canada, sold as mirror-imaged left and right pairs with dedicated stands included. It is a 2-way passive-radiator design featuring a 1" titanium dome tweeter, a 6.5" paper-cone woofer, and an 8" passive radiator in a sealed walnut veneer enclosure. The Passif 50 draws on NRC-refined technology from PSB's flagship Synchrony Series while honouring the visual heritage of the original Passif I and Passif II models that established PSB's reputation in the 1970s.

How does the PSB Passif 50 compare to the KEF LS50 Meta or the Wharfedale Linton Heritage?

The PSB Passif 50 occupies a similar segment to heritage-styled standmounts like the KEF LS50 Meta and the Wharfedale Linton Heritage, but takes a different technical path. The LS50 Meta is a coaxial 2-way with KEF's Metamaterial Absorption Technology for a precise, point-source presentation suited to near-field listening, while the Linton Heritage is a 3-way design with a larger cabinet and conventional ported bass. The Passif 50 uses a sealed passive radiator architecture that combines the placement flexibility of a closed-box design with bass extension and dynamic range closer to a ported speaker. Its off-centre tweeter arrangement and mirror-imaged pair configuration produce wider, more stable imaging than symmetrical designs like the LS50 Meta at comparable listening distances.

Does the PSB Passif 50 need a subwoofer?

The PSB Passif 50 is capable of full enjoyment as a stand-alone stereo system for most music genres, with a frequency response extending to 50 Hz (±3dB) and an LF cutoff of 30 Hz (-10dB). For listeners who prioritize deep bass reproduction below 50 Hz for large orchestral recordings, electronic music, or home theatre use, a subwoofer would be a worthwhile addition. The sealed passive radiator enclosure rolls off gradually and integrates well with a subwoofer crossover, making the Passif 50 an excellent candidate for a compact 2.1 system.

What is the passive radiator in the PSB Passif 50 and how does it work?

The passive radiator is an 8" unpowered driver mounted in the Passif 50's sealed enclosure. Unlike a ported bass-reflex design where air moves through a tuned port, the passive radiator is driven by air pressure changes inside the cabinet caused by the active 6.5" woofer. As the woofer moves inward, it compresses the air inside the enclosure, which pushes the passive radiator outward, and vice versa. This allows the sealed cabinet to produce low-frequency output well below what the woofer alone could achieve, while maintaining the tight, controlled bass character of a closed-box design. The result is extended, articulate low-frequency performance without the port noise or room-placement sensitivity associated with conventional ported speakers.

What amplifier pairs well with the PSB Passif 50 in Toronto?

The PSB Passif 50 works with any amplifier rated between 30 and 200 Watts into its 6-Ohm nominal impedance. At Vinyl Sound in Toronto, the Passif 50 pairs naturally with NAD integrated amplifiers from the Lenbrook family, which shares the same Canadian engineering heritage as PSB. The NAD C 3050 LE integrated amplifier is a particularly well-matched and aesthetically complementary pairing, combining retro styling with modern Class D performance. Tube integrated amplifiers with sufficient current delivery also suit the Passif 50's smooth, musically natural character.

Why are the PSB Passif 50 speakers sold as mirror-imaged pairs?

The Passif 50 features an off-centre tweeter positioned on the inner face of each speaker's baffle, meaning the left and right speakers are not identical but mirror images of one another. With both tweeters facing inward toward the centre of the soundstage, the tweeter-to-tweeter spacing is reduced and the imaging focus is tightened, producing a more precise, coherent stereo image than conventionally symmetrical standmounts. This design also minimizes the distance between the high-frequency source points, which improves the blending of left and right channel information at the listening position.

Where can I buy the PSB Passif 50 in Toronto or Canada?

The PSB Passif 50 Standmount Loudspeakers (Pair) are available at Vinyl Sound, an authorized PSB dealer in Toronto, Canada. Vinyl Sound carries PSB's full current lineup and offers in-store listening sessions, delivery, and setup assistance across Toronto and broader Canada. Contact the Vinyl Sound Toronto store or shop through the Vinyl Sound Canada online store to check availability of this limited anniversary edition.