PSB Speakers Alpha Series 8 Inch Powered Subwoofer - Alpha Sub 8
Model #:Alpha Sub 8
$649.00 CAD
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Huge Bass. Compact Price

PSB redefined high performance and high value with their legendary Alpha Series speakers and the new Alpha S8 powered subwoofer continues that tradition in the all-important bass region. The new Alpha S8 offers a more compact footprint at an affordable price, while delivering big time for music and home theatre systems where bass is a must. The Alpha S8 meets this challenge by featuring a long throw 8” woofer with polypropylene cone (for fast response) in a specially-tuned, bass reflex enclosure.

Affordable Excellence With Audiophile Pedigree

PSB has been making critically-acclaimed speakers for more than 45 years and are especially famous for speakers that deliver high bang for the buck. The Alpha S8 will astound with adding lifelike realism for both music and movies to PSB speakers or any high performance speaker.

Advanced Tech in Drivers and Amplification

The Alpha S8 boasts a specialized long-throw 8” driver and efficient bass reflex enclosure for remarkable bass.The built-in high efficiency digital amplifier delivers 210W of dynamic power for unconstrained deep-bass peaks and musical accuracy. Then to go one step further, the S8 utilizes digital signal processing (DSP) to allow PSB’s engineering team to maximize all aspects of performance to deliver the flattest frequency response and powerful bass extension.

Compact Cabinet Will Fit Most Anywhere

The rear-ported cabinet has an ultra-small footprint that can be sited most anywhere in the room. On the rear panel are Volume and Crossover Controls, Phase Switch, Low Level Input, AutoOn/Standby Switch, Gold-plated RCAs, USB Power Jack for RT100 wireless accessory, Supplied rubber bumpers and spikes allow for installation on hardwood or carpeted floors.

  • Specially tuned bass reflex design with rear port
  • Digital amplifier 150 Watts of Continuous Power
  • Compact cabinet volumes with high output
  • Woofers feature polypropylene cones and rubber surrounds
  • Design and final voicing engineered by Paul Barton
Frequency Range Response
On Axis @ 0° ±3dB35-150Hz
LF Cutoff -10dB32Hz
Impedance Nominal Input
Minimum22k Ohms
Input Power
Recommended15-120 Watts
Program60 Watts
Amplifier Power
Continuous150 Watts
Dynamic210 Watts
Acoustic Design
Woofer (Nominal)8” (203mm), Textured Polypropylene Cone, Rubber Surround, Variable 50-150Hz with LFE setting, B2
CrossoverLow Pass Filter
Internal Volume Design0.86 cu ft (24.4 liter)
TypeBass Reflex
Dimensions / Weights / Finish
Size (W x H x D)11 1/2” x 12 1/2” x 15 1/4” * (292 x 318 x 387mm)
WeightNet – TBD Shipping – TBD
FinishWoodgrained
FeaturesRear Mounted Volume, Crossover Controls, Phase Switch, LFE Settings, Low Level Input, AutoOn/Standby Switch, Gold-plated RCAs, USB Power Jack for RT100 wireless, Rubber bumpers and spikes

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