Boston Acoustics Bravo 20 Käyttöohje
Boston Acoustics
Kaiutin
Bravo 20
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OWNER’S MANUAL
Bravo 20
HigH performance multi-purpose speaker
2
Introduction
Thank you for choosing Boston Acoustics. The Boston Bravo® 20 is a multi-purpose, high performance compact loudspeaker.
The Bravo 20, which uses Boston’s patented one-inch aluminum dome VR® tweeter with AMD and a 4½-inch woofer, can be
combined with its supplied mounting bracket or rear stand to be mounted or placed virtually anywhere in any room.
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 ½-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.
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 ¼-inch, exposing the hole. Insert the wire in
the hole and release the terminal.
¼"
Specifications
Frequency Range : (±3dB) 80Hz to 20kHz
Recommended Amplifier Power: 15–125 watts
Nominal Impedance: 8 ohms
Sensitivity 85dB [SPL/2.8v at 1m]: 89dB
Woofer: 4½” (115mm) copolymer
Tweeter: 1” (25mm) VR® aluminum dome with AMD
Crossover Frequency 2500Hz
Dimensions: (H x W x D)
with corner fillers 14¼ x 6½ x 5¼” (362 x 166 x 134mm)
without corner fillers 14¼ x 6½ x 4¼” (362 x 166 x 108mm)
Weight: 5 lbs (2.25kg)
Finish: White or black, textured ABS
with matching metal grille
4
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
at mounting holes (4)
2 per side
Mounting the Bravo 20
Identify the Bracket
In its packing material, the Bravo 20’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 Bravo 20 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 Bravo 20
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.
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, ½-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” on
page 2). Both the Bravo 20 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.
use up to
16 AWG
speaker wire
feed wire
through top
or bottom
opening
Flat Mount Example Corner Mount Example
Tuotetiedot
| Merkki: | Boston Acoustics |
| Kategoria: | Kaiutin |
| Malli: | Bravo 20 |
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