PSB Updates Alpha Series loudspeakers

posted on Friday, 11th January 2019 by Geny Caloisi

PSB  Alpha 

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PSB Speakers has launched an all-new range of Alpha loudspeakers at CES 2019.

Four models in all, the new Alpha Series is comprised of compact monitors P3 (£179 per pair) and P5 (£299 per pair), a center channel C10 (£249 each) and a tower model T20 (£499 per pair). All are available now in a choice of Walnut or Black Ash finishes.   

PSB introduced its first Alpha speaker range in 1991 with a clear purpose: create an affordable speaker that is focused on performance first. By leveraging the research conducted at the Canadian National Research Council (NRC) over many years by PSB’s founder Paul Barton, these early Alphas garnered multiple awards.

In PSB’s new Alpha range, the P3 and P5 are classic two-way bookshelf designs that are both compact and versatile. They can be placed on a stand, a shelf, a desk or a table and are equally well-suited for home theater or stereo listening. The T20 tower adds an additional woofer in a larger floorstanding cabinet yet occupies a small footprint. The C10 center channel speaker can be used as the center or dialogue speaker in a home theater or could also be used for music.Alpha Group Front Copy

For the new Alphas, PSB developed two new woofers; a 4 1/2-i and 5 1/4-inch both employing dual layer voice coils with powerful magnet structures to provide low distortion and high output levels. The cones are made from a special textured polypropylene compound that prevents cone breakup and extends frequency response for a smooth integration with our tweeter.

A new 19mm tweeter was designed and is used in all four models. The tweeter is ferrofluid cooled and features a Neodymium magnet for high sensitivity and power handling.

 Alpha C10 No Grill WAL 1000x 1000 Copy

Cabinets are often overlooked in their importance and for the new Alphas, each model has a unique combination of wall thickness and bracing to control resonances and provide a perfect platform for the drive units. Notably, the internal damping material is specialized for the purpose having been developed over many years on much more expensive PSB models and positioned precisely for optimum effectiveness. High quality precision machined cabinets in simulated Black Ash and Walnut finishes combine with magnetically attached grilles to provide a rich and timeless design. Even the grille is unique in that is does not change the sound of the speaker whether attached or removed.

“The PSB Alpha speakers were among the most popular speakers we have ever made so we have had constant requests from the market to design an updated and improved range. The original Alphas were quite good for the time, so this was a tall order” commented Paul Barton, founder and Chief Designer of PSB. “However, by leveraging new materials and design techniques as well as advanced manufacturing capability, these Alpha models are a substantial improvement over the original ones with respect to looks, performance and value.”

Geny Caloisi

Geny Caloisi is an accomplished technology journalist who has worked in a variety of AV industry publications. 

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