Boston Acoustics Bravo Bedienungsanleitung

High Performance Multi-Purpose Speaker

Speciﬁcations

Frequency Response (±3dB) 80–20,000Hz

Recommended Ampliﬁer Power 15–125 watts

Nominal Impedance 8 ohms

Sensitivity [1 watt (2.83v) at 1m] 89dB

Bass Unit 41⁄2"(115mm) copolymer

Tweeter 1"(25mm) black anodized

aluminum dome with AMD

Crossover Frequency 2500Hz

Dimensions (HxWxD) with corner ﬁllers 141⁄4x 61⁄2x 51⁄4" (362 x 166 x 134mm)

Dimensions (HxWxD) without corner ﬁllers 141⁄4x 61⁄2x 41⁄4" (362 x 166 x 108mm)

Weight 5 lbs (2.25kg)

Finish White or black textured ABS

with matching cloth grille

Description

The Boston Bravo™ is a multi-purpose, high performance compact loudspeaker. The Boston Bravo, which uses Boston’s

patented one-inch aluminum dome VR tweeter with AMD and a 41⁄2-inch woofer, can be combined with its supplied

mounting bracket or rear stand to be mounted or placed virtually anywhere in any room.

The Boston Bravo is essentially one-quarter of a cylinder, allowing it to be mounted vertically at any height in a corner, or

horizontally at the top of a wall, where wall and ceiling meet. Attaching the Boston Bravo to any surface is as simple as

mounting the bracket to the wall, removing the grille from the speaker, and then attaching the speaker to the bracket

using the supplied screws. Once the grille is placed back on the speaker, the means of attachment becomes virtually

invisible. Additionally, the Boston Bravo can be placed either horizontally or vertically on any ﬂat surface, such as a table

or a shelf. Horizontally, it can either angle upward by resting on its two corner ﬁllers or sit untilted using the rear stand.

By virtue of its patented VR tweeter, the Boston Bravo is an economical and appropriate choice as a surround speaker for

any Boston system using similarly equipped main and center channel speakers: VR-M50, 60, 80, 90 and VR-MC; VR940,

950, 965, 975, 910 and 920; MR90x, 100x and 90c. However, since it shares the Boston Sound™with all other Boston

speakers, the Boston Bravo can be used successfully as a surround speaker with any Boston main and center channel

speakers. The Boston Bravo can also be used in conjunction with any of today’s widely available quality loudspeaker

brands.

Because it is designed as a high-performance, general-purpose speaker, the Boston Bravo is suitable for any high-ﬁdelity

application where it is important that the speaker blends into its surroundings. The Boston Bravo is well suited for back-

ground and whole house music applications. The Boston Bravo’s highly ﬂexible mounting bracket allows it to be placed in

a wide variety of locations, and to for the speaker to be angled for optimum sound quality and three-dimensional

imaging. When a pair is placed vertically in the corners of a room, the Boston Bravo creates an unusually wide listening

window, providing true stereo sound reproduction over a broad area.

For full-range applications, it is recommended that the Boston Bravo be used in conjunction with one of Boston’s

powered subwoofers: PV400, 600, 800 or 1000. The Boston Bravo’s low frequency limit is 80Hz, allowing for a great deal of

placement ﬂexibility for the subwoofer. The Boston Bravo’s robust design allows it be used with full-range signals and

ampliﬁers rated between 15 and 125 watts. Please note that the Boston Bravo is not magnetically shielded. Therefore, it

should not be placed closer than 18 inches from a tube television. The Boston Bravo may be used safely near projection

and plasma televisions.

How to Connect Your Speakers

Correctly wiring your speakers is important for achieving the best sound quality. Wiring should take just a few

minutes, but it’s important to do it carefully, since incorrect wiring (such as reversed connections) can result in a poor

soundstage and poor bass.

We recommend 18-gauge wire or thicker for runs up to 15 feet (4.5m), and 16-gauge wire or thicker for longer runs.

Separate the ﬁrst few inches of the wire conductors. Strip off 1⁄2-inch (12mm) of insulation from the ends of each

speaker wire to expose the two conductors and tightly twist the wire strands.

WARNING: To prevent electrical shock hazard, always switch off the ampliﬁer or receiver when making connections

to the speaker.

When making all connections, be sure to connect the +(red) on the speaker to the +(red) on the ampliﬁer, and the

–(black) on the speaker to the –(black) on the ampliﬁer.

IMPORTANT: Typically, one side of the wire is smooth.

Connect this side to the –(black) connection. The

other side has a rib or stripe. Connect this to the

+(red) connection.

Using the spring terminal posts: The spring terminal

posts permit easy connection to banana plugs, spade

lugs, and bare wire.

Push the the top of the terminal down by approximately

1⁄4-inch, exposing the hole. Insert the wire in the hole

and release the terminal.

1/4"

Checking the Speaker Connections

It is important that your speakers are hooked up with similar polarity or “in phase.” A simple listening test will tell

you if your speakers are connected properly. Place the speakers face to face, as closely together as possible. While

listening to music with your ampliﬁer set to MONO, reverse the connections at one speaker only. You’ll hear a

dramatic change in sound. The connection that yields the fuller bass and louder sound is correct.

speaker terminal

amplifier or receiver

1. Connect the speaker terminals to the ampliﬁer

speaker outputs.

2. Make sure the speaker cable is correctly routed

through the mounting bracket.

(see Mounting Options)

3. When making all connections, be sure to connect

+to +(red) and –to –(black).

Connecting the Boston Bravo to Your Ampliﬁer or Receiver

Mounting the Boston Bravo

Identify the Bracket

When removed from its packing material, the Boston Bravo’s mounting bracket is ﬁtted into the back of the speaker.

Remove the tape that is

temporarily holding the

bracket to the speaker, and

then pull the bracket away

from the back of the speaker.

Determine how the Boston

Bravo is to be mounted to the

wall or ceiling. It can be

mounted either horizontally

or vertically, either on an

open section of wall, or where

two or three room surfaces

meet. Refer to the illustration

here to determine what screw

holes on the Boston Bravo

bracket should be used for

your application.

NOTE: The large rectangular hole in the middle of the bracket will ﬁt a single gang electrical outlet to route the

speaker wire through a conduit.

filler cap

inverted

filler cap removed

self-adhesive

rubber feet

applied

bracket

removed

13/8

34mm

Horizontal Placement–Angled Up

Vertical Placement

angle/corner

mounting holes (4)

2 per side

single gang electrical

box mounting holes

speaker-to-bracket

mounting holes (2)

1 per side

single gang

electric outlet

opening

speaker cable run

holes (2)

on top and bottom

flat mounting holes (4)

2 per side

Using the Boston Bravo on a Flat Surface

The Boston Bravo can be used on a ﬂat surface, such as a table, shelf or the ﬂoor. For horizontal placement that tilts

up at 45º, both corner ﬁllers must be used and the bracket must be removed. For untilted horizontal placement,

the rear stand must be used with the mounting bracket attached (see “Mount the Speaker to the Bracket” on page

6 and the “Rear Stand Installation Instructions” in the enclosed bag that contains the stand). For vertical applica-

tions, a single corner ﬁller must be used on the end that will sit on the surface and the bracket should be removed.

Invert the corner ﬁller so that the small, circular recess faces outward. Attach one of the supplied self-adhesive rub-

ber feet so that its edge contacts the diameter of the recess. Apply two more feet, each at 13⁄8-inch (34mm) from the

outer edge of the plastic housing where it meets the grille (as shown below left). Do not apply the feet to the grille

cloth, as they will not adhere well.

corner fillers facing in

bracket

removed

Corner Fillers

If the Boston Bravo is being mounted in a corner, then one or both of the supplied

corner ﬁllers may be inserted into the slots on the back of the speaker. These

accessories will enhance the appearance of the installation by making it appear that

the back of Boston Bravo extends into the corner.

NOTE: Up to 16-gauge speaker wire will ﬁt between the ﬁllers and the corner.

Mount the Bracket to the Wall

Decide where to mount bracket.

IMPORTANT: See “Ceiling Clearance” on page 6.

Determine what mounting holes in the bracket will be used.

Mark the holes on the wall or ceiling using bracket as a template.

Drill the holes using the appropriate drill bit size to accommodate the mounting hardware that you plan to use (ie,

1⁄2-inch diameter to clear the toggle bolts for hollow surfaces or small enough to allow self-tapping screws in a solid surface).

Mount the bracket ﬂat or into a corner as shown below. We recommend the use of four fasteners wherever possible.

Consult a knowledgeable installer regarding the proper hardware to use on your wall.

Strip the speaker wires ends, and feed the speaker wire through the appropriate bracket opening.

Connect the wire to the speaker’s terminals, taking care to maintain speaker polarity. (See “How to Connect Your

Speakers” and “Basic Hookup” on page 3). Both the Boston Bravo and its bracket are symmetrical, so the speaker

can be mounted with either its woofer or tweeter on top. In general, bass performance will be enhanced with the

woofer as close to as many room surfaces as possible.

corner filler (2)

Flat Mount Example

Corner Mount Example

use up to

16 AWG

speaker wire

feed wire

through top

or bottom

opening

Ceiling Clearance

If the Boston Bravo is to be mount-

ed so that the top or the side of the

speaker will meet a ﬂush surface,

either a wall (horizontally) or the

ceiling (vertically), then measure the

exact distance as shown here from

that surface to the top or side of the

bracket.

Mount the Speaker to the Bracket

Remove the speaker’s grille by grasping the back of the cabinet in one hand, while gently pulling the grille away

with the other hand.

Align the openings in the back of the speaker with the two

posts protruding from the bracket as shown below.

Gently remove any slack in the speaker wire as you push

the speaker ﬁrmly onto the bracket.

Attach the speaker to the bracket by inserting the

supplied screws through the holes in the front of the

speaker and into the bracket as shown below (do not over-

tighten the screws).

Replace the grille on the speaker.

NOTE: The Boston Bravo is not securely attached to its

bracket unless the screws are used.

Rotating the Logo for Horizontal Mounting or Placement

The logo plate on the Boston Bravo’s grille can be rotated 90° in either direction to enhance the speaker’s

appearance when mounting or placing it in a horizontal position.

To rotate the logo:

Remove the grille and turn it over.

Locate the logo’s split post protruding through the

bottom inside portion of the grille.

Place your thumb against the split post and press

ﬁrmly until the logo pops out of the grille.

Rotate the logo to the desired position and re-

insert the split post back into the hole until it snaps

into place.

ceiling

or wall

5/8 inches (16mm)

ceiling

33/8 inches (86mm)

volume0

crossoverHz crossover polarity

50 150

80 120 set none 0°180 °

Boston

front main corner mount

(or any other corner)

rear surround

flat mount

horizontal floor or

shelf placement

angled up

rear surround

angled down

rear surround

angled back

horizontal flat mount

horizontal untilted

with rear stand

Using the Boston Bravo as a Main Speaker

The Boston Bravo can provide exceptional performance from 80Hz and above. For deep bass reproduction, a

powered subwoofer might be a suitable addition to the Boston Bravo. In small or medium size rooms, two

Boston Bravos should provide ample volume, given appropriate ampliﬁer power of between 15 and 125 watts.

In larger spaces, additional Boston Bravos may be necessary.

For broad, stereo coverage, vertical corner mounting of the Boston Bravo will produce excellent results. This

technique will work especially well in situations where the distance between the two speakers is approximately

12 to 18 feet.

Using the Boston Bravo as a Surround Speaker

Two Boston Bravos can be used as surround speakers for Dolby®Surround, Dolby® Pro Logic®, Dolby®Digital and

DTS®surround sound formats. A third or fourth Boston Bravo can be added for use with Surround EX and DTS®ES

surround sound formats. In general, best results will be obtained when the surround speakers are placed above ear

level and either behind or beside the listening area. However, if attaching speakers to the wall is not an option, then

the Boston Bravos can be placed horizontally directly on the ﬂoor. Since the low frequency limit of the Boston Bravo

is approximately 80Hz, speaker bass management should be set to "small." This will redirect the surround channels’

bass information to either the system’s subwoofer or main speakers. Please consult your surround sound electronics

owner’s manual for additional information about speaker placement and bass management

Mounting Possibilities of the Boston Bravo

We designed the Boston Bravo to be mounted or placed in a wide variety of conﬁgurations. Shown

below are seven of the most common possibilties for you to consider.

300 Jubilee Drive

Peabody, MA 01960 U.S.A.

978.538.5000

Boston Sound, Boston Bravo, VR and AMD are trademarks and

MagnaGuard, Boston, and Boston Acoustics are registered trademarks

of Boston Acoustics, Inc.

“Dolby,” “Pro Logic”, “AC-3”and the double-D symbol are trademarks

Dolby Laboratories, Inc.

Speciﬁcations subject to change without notice.

042-001384-5

www.bostonacoustics.com

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 speakers, 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 modiﬁca-

tions 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 dealer from whom you purchased the speakers. If that is not possible, write to:

Boston Acoustics, Inc. 300 Jubilee Drive Peabody, MA 01960 U.S.A.

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.A. and Canada.

Listening Levels and Power Handling

The listed power recommendations in the Speciﬁcations section assume you will operate your system in a way that

will not produce distortion. Even these rugged speakers can be damaged by a modest ampliﬁer if it produces

distortion. If you hear a harsh, gritty noise, turn down the volume. Prolonged or repeated operation of your speaker

with a distorted signal from the ampliﬁer can cause damage that is not covered by the warranty.

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