PSB Alpha S8 Subwoofer

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Type: Subwoofers

PSB Alpha S8 Subwoofer

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
psb alpha s8 subwoofer melbourne hi fi

Frequency Range Response

On Axis @ 0° ±3dB 35-150Hz
LF Cutoff -10dB 32Hz

Impedance Nominal Input

Minimum 22k Ohms

Input Power

Recommended 15-120 Watts
Program 60 Watts

Amplifier Power

Continuous 150 Watts
Dynamic 210 Watts

Acoustic Design

Woofer (Nominal) 8” (203mm)

Textured Polypropylene Cone, Rubber Surround

Variable 50-150Hz with

LFE setting, B2
Crossover Low Pass Filter
Internal Volume Design Type 0.86 cu ft (24.4 liter)

Bass 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)
Weight Net - TBD

Shipping - TBD
Finish Woodgrained
Features Rear 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
Notes * Non-metric measurements are approximate.

All specifications are subject to change without notice.


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