Boston Acoustics VR-M/EX Manuale utente

VR-M/EX

Wide Dispersion

Home Theater

Back Surround Speaker

Speciﬁcations

Frequency Response (±3dB) 110–20,000Hz

Recommended Ampliﬁer Power 15–200 watts

Nominal Impedance 8 ohms

Sensitivity [1 watt (2.83v) at 1m] 90dB

Bass Unit Dual 51⁄4" (135mm) copolymer

High-Frequency Driver Dual 1" (25mm) VR aluminum dome with AMD

Crossover Frequency 2500Hz

Dimensions (HxWxD) 11 x 115⁄16 x 515⁄16" (279 x 286 x 151mm)

Weight/each 14 lbs (6.35kg)

Finish Cherry wood veneer with gray grille cloth

or black ash wood veneer with black grille cloth

or white vinyl with white grille cloth

Description

The VR-M/EX surround speaker is intended to be used as the back speaker in a surround system

with surround back playback capability. A single VR-M/EX can be used with a pair of VR-MX

surround speakers to provide a theater-like experience for all surround sound formats. Its

hemispherical radiation pattern, wide frequency response, and high power handling make it an

ideal choice for a single, center of wall surround back speaker. Its unique driver complement

creates an enveloping sense of surround sound, simulating the multiple surround speakers found

in a quality movie theater.

The VR-M/EX is a high output, wide dispersion surround speaker. It provides the rear channel

surround sound effects with THX®Surround EX and DTS®ES decoding electronics. Satisfactory

results may be obtained using the VR-M/EX on standard Dolby Digital®or DTS®software,

depending on the amount of stereo separation contained in the surround channels of the sound-

track. In this application, the less stereo separation there is between the left and right surround

channels, the more the surround tracks will be directed exclusively to the VR-M/EX. Consult your

electronics owners manual for additional information on this topic.

The VR-M/EX may be placed on a shelf or mounted on a wall or ceiling using the supplied

template, mounting hardware and bracket. Gold-plated ﬁve-way binding posts allow the

connection of virtually any speaker cable. The VR-M/EX can be placed at the center of the back

wall, as well as hung from the ceiling. Recommended placement is above ear level on the back

walls directly behind the primary listening position. Ideally, the VR-M/EX should be at the same

height as the left and right surround speakers.

Room Placement

Room placement is one of the most important

factors contributing to the quality of home

theater sound. Take a few minutes to place

your speaker correctly to ensure it will sound

their best.

Place one or more VR-M/EX speakers on the

back wall of the listening area.

One or more VR-M/EX speakers may be hung

from the ceiling.

Connecting Your VR-M/EX Speakers

Connect the speaker’s terminals to those on the ampliﬁer or receiver designated for “surround

back”. Maintain consistency of the +(red) and –(black) connections by using the markings on the

wire. Connect the ribbed side to the +(red) terminals and the smooth side to the –(black)

terminals.

WARNING: To prevent electrical shock, always switch off the ampliﬁer or

receiver when making connections to the speaker.

Using the ﬁve-way binding posts: The binding posts permit easy

connection to pins, spade lugs, bare wire and cable banana plugs.

The metal surfaces are plated with 24K gold to resist corrosion.

NOTE: Most dual banana plugs will not ﬁt behind a ﬂush wall mount

installation, however single wire banana plugs should ﬁt.

Wall or Ceiling Mounting Your VR-M/EX Speaker

The VR-M/EX is designed to be mounted directly onto a wall or ceiling. First attach the four

supplied self-adhesive felt pads, one on the back of each corner of the speaker. Then attach the

bracket to the wall or ceiling and slide the speaker on to the bracket as shown below and on the

two next pages.

You may run wires to the speakers on the wall surface or behind the wall. Use the recessed area on

the back of the speaker to accommodate the wire slack.

MOUNTING TIPS: Use the supplied template to aid in positioning the mounting bracket. At

least 4 inches of clearance is required between the top of the template and the ceiling. Please

take care that the mounting brackets are attached securely to the chosen surface. Toggle bolts are

supplied for use on drywall or hollow plaster walls. Alternatively, you may wish to obtain wood

screws for wood or wall studs, molly bolts or screw anchors for drywall or plaster walls, or masonry

anchors for masonry walls. You can also just place the speakers to sit upright on a shelf or other ﬂat

surface. In this case, be sure to use the supplied self-adhesive rubber feet to prevent any possible

slippage.

Mounting on drywall, paneling or other hollow surfaces: Use the 6-32 x 2" machine screws and

toggle wings provided. The toggle wings require a 1⁄2" (12mm) hole.

Mounting on wood and other solid surfaces:

Use a #6 or #8 wood screw.

Mounting on masonry, adobe and similar surfaces: Consult a knowledgeable installer about

proper hardware. You will obtain best results with #6 or #8 wood screws.

INCLUDED HARWARE

(1) mounting

bracket

(2) toggle wing screws

(4) rear felt pads

for wall mounting

(4) rubber feet for

shelf mounting

(51mm)

21⁄2"

(63mm)

MOUNTING

1. Mark off the two bracket mounting

holes using the VR-M/EX Mounting

Template provided. If running wires

behind the wall, then also mark off a 1⁄2"

(12mm) hole located at 21⁄2" (63mm)

below the lower bracket hole. This hole

is also positioned on the template.

Drill 1⁄2" (12mm) holes

toggle wings

6-32 x 2"

machine screws

2. Drill all holes as indicated. Insert the

machine screws through the bracket and

thread them onto the toggle wings before

penetrating the wall. Push the toggle

wings through the holes in the wall.

Listening Levels and Power Handling

IMPORTANT: Adjusting Listening Volume. To obtain the best home theater effect, balance the

sound level of each speaker. Home theater systems contain a test signal that simpliﬁes this

procedure. Refer to the instructions provided with your surround sound electronics.

The power recommendation for the speaker assumes the ampliﬁer is not overdriven, which, over a

long period, can damage even our rugged speakers. If you hear a harsh, gritty noise on peak levels,

turn down the volume control. Prolonged or repeated operation with a distorted signal from the

ampliﬁer can cause damage to the speakers, which is not covered by the warranty.

Level bracket

before hanging

speaker

3. Level the bracket and tighten the screws.

Connect the wires to the terminals and hang

the speaker on the brackets.

MOUNTING (continued)

Limited Warranty

For ﬁve years from the date of purchase, Boston Acoustics will repair for the original owner any

defect in materials or workmanship that occurs in normal use of the speaker system, without

charge for parts and labor.

Your responsibilities are to use the system according to the instructions supplied, to provide safe

and secure transportation to an authorized Boston Acoustics service representative and to present

proof of purchase in the form of your sales slip when requesting service.

Excluded from this warranty is damage that results from abuse, misuse, accidents, shipping or repairs

or modiﬁcations by anyone other than an authorized Boston Acoustics service representative.

This warranty is void if the serial number has been removed or defaced.

This warranty gives you speciﬁc legal rights, and you may also have other rights which vary from

state to state.

If Service Seems Necessary

First, contact the retailer from whom you purchased the speaker. If that is not possible, write to:

Boston Acoustics, Inc., 300 Jubilee Drive, Peabody, MA 01960.

Send us:

1. Your name, address and daytime telephone number.

2. When and where you purchased the speaker system and a copy of your sales slip.

3. Makes/models of your signal sources and ampliﬁer.

4. Description of the problem.

5. Whether you have the original carton and ﬁllers or need new ones.

We will promptly advise you of what action to take. If it is necessary to return your speaker to the

factory, please ship it prepaid. After it has been repaired, we will return it freight prepaid in the U.S.

and Canada.

300 Jubilee Drive

Peabody, MA 01960

978-538-5000

Boston and Boston Acoustics are registered trademarks of Boston

Acoustics, Inc.

Dolby and Dolby Pro Logic are registered trademarks of Dolby

Laboratories Licensing Corporation.

Speciﬁcations subject to change without notice.

042-001332-0

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