Boston Acoustics vrs pro Guia Do Utilizador

Specifications

Frequency Response (±3dB)

80–20,000Hz

Recommended Amplifier Power

15–150 watts

Nominal Impedance

8 ohms

Sensitivity [1 watt (2.83v) at 1m]

86dB

Bass Unit

⁄

" (135mm) copolymer

High-Frequency Driver

Dual 2

⁄

" (65mm) polymer-treated paper

Crossover Frequency

350Hz

Dimensions (HxWxD)

⁄

x 4

⁄

x 6

⁄

" (360 x 116 x 165mm)

Weight /each

7 lbs (3kg)

Finish

Black or white

Description

The VRS Pro is a THX

-certified, high-output, diffuse-field

surround speaker. It provides the rear channel surround

sound effects with AC-3

, THX and ProLogic

decoding

electronics. Its low- and high-frequency response charac-

teristics comply with the requirements for AC-3 and THX

systems.

The VRS Pro cabinet is sculptured to aim sound along the

walls, rather than directly at the listener, and to blend with the

room’s decor. Frequencies from 80 to 350Hz are handled

by a 5

⁄

" (135mm) bass unit. Frequencies above 350Hz

are handled by a pair of 2

⁄

" (65mm) high-frequency dri-

vers, one firing forward and the other backward. Gold-plated five-way binding posts allow the con-

nection of virtually any speaker cable. Straightforward mounting of the speaker on any wall or ceil-

ing can be easily accomplished with the enclosed brackets.

A diffuse-field surround sound speaker is the best for reproducing the enveloping surround sound

experienced in a movie theater. The theater employs an array of surround loudspeakers (often our

Boston A70T theater speakers) distributed around the sides and rear of the theater. Typically, the

array is split into two halves, left and right. The listener hears sound from many speakers, which pro-

duces a three-dimensional sensation for the surround sound. A diffuse-field speaker achieves the

same effect by directing the sound initially away from the listener and permitting it to be reflected

from the walls and ceiling. The sound then arrives at the listener from a multitude of directions and

simulates the loudspeaker array in a movie theater.