PSB Alpha P5 Bookshelf Speakers 5.25″ Woofer

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A timeless two-way bookshelf speaker with a 5.25 inch woofer, the P5 in the new Alpha Series allows you to transform your system with pristine sound. Featuring a refined bass reflex cabinet and port tube first developed for the original Alpha speaker, the Alpha P5 creates a pure and natural soundstage by utilizing the latest and most advanced driver technologies and magnet structures. The P5 was perfectly tuned inside the anechoic chamber of Canada’s acoustic research facilities to produce a perfectly flat frequency response that lets you enjoy the subtleties of your music and movies with lifelike detail.


Anodized aluminium tweeter with waveguide

The P5 uses a 0.75 inch black anodized aluminium dome tweeter to extend the high-frequency response further than any Alpha ever before while lowering distortion to deliver layered sound with detail and clarity. Unlike lesser designs at this price, all the new Alpha Series tweeters employ ferrofluid cooling to prevent dynamic compression and a neodymium magnet for high sensitivity. The tweeter’s front waveguide and its unique placement below the woofer work together to smooth the response at the crossover and perfect on and off-axis performance.


Perfectly matched bass

When paired with the Alpha Series newly designed tweeter, the P5’s custom 5.25 inch woofer provides remarkable low-frequency response and the highest speaker efficiency in its class. The woofer is constructed from a special textured polypropylene compound that minimizes cone breakup and lowers distortion at full excursion. it’s also supported with dual layer voice coils and a bass reflex design that uses the rear-firing port tube to control the bass response down to room-shaking levels.


Frequency Response:
On Axis @ 0° ±3dB 55-21,000Hz
On Axis @ 0° ±1 1/2dB 65-20,000Hz
Off Axis @ 30° ±1 1/2dB 65-10,000Hz
LF Cutoff -10dB 37Hz
Anechoic Chamber 87dB
Listening Room 89dB
Nominal 8 Ohms
Minimum 4 Ohms
Input Power:
Recommended 10 – 90 Watts
Program 60 Watts
Acoustic Design
Tweeter (Nominal) 3/4” (19mm) Black Anodized Aluminium Dome with Ferrofluid and Neodymium Magnet
Woofer (Nominal) 5 1/4” (133mm) Textured Polypropylene Cone with Rubber Surround
Crossover 2.500Hz, L4
Internal Volume 0.29 cu ft (8.3L)
Design Type Tuned Port Bass Reflex, 2” (49mm) Rear Port
Dimensions / Weights / Finish:
Size (W x H x D) 6-3/4” x 11-3/8” x 9-1/2”* (170 x 290 x 240mm)
Weight 10.15lb (4.6kg)/each 22.8lb (10.4kg)/pr
Black Ash


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