Boston Acoustics E100 User manual

Reference

Speakers

Altavoces

de referencia

Haut-parleurs

de référence

Altoparlanti

di riferimento

Referenz-

lautsprecher

E100

–2–

FrontView

Boston E100 Series Dimension Sheet

For more information on the E Series or any Boston

product, please contact Boston Technical Support at

1.978.538.5000 or by email at: [email protected]

Top View

Wall Bracket

EBR

’’

179mm

’’

185mm

102mm

9’’

229mm

1892mm

’’

Contents

Specifications . . . . . . . . . 5

Inspection . . . . . . . . . . . . 5

Setup . . . . . . . . . . . . . . . 5

Vertical . . . . . . . . . . . . . . .6

Wall Mounting . . . . . . . . 6

Miscellaneous . . . . . . . . .6

Wire Management . . . . . .6

Placement . . . . . . . . . . . . 6

Staggering Distances . . . 7

The Ambience Tweeter . 8

Adding a Subwoofer . . . 8

Conventional Hookup . . .9

Bi-wiring . . . . . . . . . . . . .10

Bi-amping . . . . . . . . . . .10

Acoustics . . . . . . . . . . . .11

Bass Management . . . . .11

Contact Information . . .11

Boston Acoustics®

ESeries Reference

Speakers

While the E Series is Boston

Acoustics’ flagship home speaker

line, with each model combining

acoustical performance of a truly

superior order with strikingly

handsome looks and a high

degree of application flexibility

that make them perfect for cus-

tom installations. The top-of-the-

line E100 is something special. It

is simply the smoothest loud-

speaker ever produced in the 27-

year history of Boston Acoustics.

Remarkably accurate, neutral, and

revealing, it will immediately take

its place among the very finest

high-end designs available today.

What is most unusual, and shared

by very few loudspeakers, is its

airy spaciousness,resulting from

the E100 cabinet’sslimness and

smoothly rounded corners,which

makes all playback utterly natu-

ral, floating about the cabinets.

Yet there is more to home

audio than superb sound. The

E100 uses construction tech-

niques and materials that are not

just novel — resulting in a com-

pact form factor — but elegant.

The fashionable appearance

means it’s the perfect solution

for stylish home theater applica-

tions as well as music-only

rooms. The E100 design blends

attractively into decors both

modern and traditional, and

does so almost unobtrusively,

too, as it may be oriented either

vertically on its base, or even

horizontally as a center channel.

The design details tell the tale,

and more attention was paid to

detail in the development of the E

Series than in any previous Boston

Acoustics products. The design

started with the shape:

not plain

boxes,the line is complex, curved,

thin cabinets us

ing an appealing

variety of textures and materials,

with the goal of creating audio

–3–

–4–

objects that are almost jewel-like.

Beneath the dazzling finishes are

high-performance loudspeaker

technologies, cleverly deployed.

The E100 uses one each of our

world-famous VR 1-inch alu-

minum-dome tweeter and the

new, higher-output VRHO™

tweeter. Its woofers feature cast-

aluminum baskets, oversized

voice coils, and neodymium

magnets for greater power han-

dling, increased output, and

superior reliability. All of these

E100 drivers were developed

exclusively for this project at

Boston Acoustics’ leading-edge

transducer development facility

inPeabody, Massachusetts.

The story of the cabinet begins

with a part of the speakers that

cannot be seen: the 5mm-thick

extruded-aluminum enclosure.

Extruded aluminum is extremely

rigid, letting the speakers’ drivers

create The Boston Sound® without

competing with energy coming

from the enclosure itself. Such an

enclosure also facilitates the E100’s

complex shape in a way that tradi-

tional box designs could not. But

we did not rely exclusively on the

material properties of aluminum

to maximize enclosure stiffness.

Extensiveribbing and internal

bracing increase cabinet rigidity to

the point of making it virtually

inert; spurious resonances and

vibrations that degrade the sound

of ordinary speakers are eliminat-

ed. Furthermore,the loudspeaker

drivers ordinarily would be

mounted directly to the front of

the aluminum extrusion. However,

Boston’sengineers discovered that

using a dissimilar material would

isolate the drivers from the cabinet

even more,maximizing output

and minimizing coloration, and

attached a thick MDF baffle to the

front. The overall construction is

so special that we applied for a

trademark for it: StabiliTek™.

An additional design feature,

which is oriented more toward

style and flexibility than sound, is

its interchangeable GroovLock™

side panels. All models are avail-

able with either high-gloss cherry

or satin ebony hardwood-veneer

side panels. A third option is

unfinished side panels, which can

be veneered, stained, painted, or

covered in cloth to match your

exact décor requirements.

The Boston Acoustics E100 is the

culmination of almost three

decades of extensive experience

developing superior loudspeakers,

and our proudest achievement. We

thank you for your purchase, and

weare confident you will enjoy

your speakers for decades to come.

–5–

Your E100

Your new loudspeaker may be

oriented vertically or horizontally,

as left, right, center and/or sur-

round channels, and is suited for

use on walls as well as its attractive

base. Its woofers incorporate our

patented DCD™ technology with

deep (11

2”) voice coils for rugged

power handling, and the tweeters

feature Boston’s proprietary

AMD™ (amplitude-modification

device) for finer highs. The cabi-

net is slender with smooth edges

and corners, which makes for a

genuine, audible difference in the

spaciousness and clarity of play-

back. Our MagnaGuard® magnet-

icshielding permits placement

right beside television monitors.

Inspection

Your speakers were carefully

packed at the factory in protective

cartons, but be sure to examine

both the cartons and the contents

for signs of shipping damage. If

there is such evidence, don’t destroy

the cartons or any of the packing

material, and notify your dealer

immediately. In any case it’s a good

idea to save the cartons and packing

if you can, for doing so will be a

great help (to you, to us, and to

your dealer) should you ever need

to return a unit in the future. Also

please save this manual for future

reference, and with it your sales slip.

Setup

Multiple mounting options are

available for the E100.

Specifications Especificaciones Caractéristiques Specifiche tecniche Technische Daten

*In keeping with our policy of continual product improvements, specifications are subject to change without notice. Please visit www.bostonacoustics.com for the latest specifications

on this products.

E100

Frequency Response (±2.5dB)

Recommended Amp Power

Nominal Impedance

Sensitivity (2.83v at 1m)

Woofer

Midrange

Tweeter – Front

Rear

Crossover Frequencies

Width

Height

Depth w/grille

Weight

35Hz–30kHz

75–400 watts

8ohms

89 dB

Six 51⁄4"(134mm) DCD design; neo magnet; 11⁄2”voice coil; vented

Dual 51⁄4" (134mm) DCD design; neo magnet; 11⁄2” voice coil

31⁄2"(89mm) DCD design; neo magnet

1" (25mm) VRH.O.™aluminum dome with AMD™

1" (25mm) VR with AMD, rear-facing (ambient), switchable

150Hz, 600Hz, 2.5kHz

71⁄4"(185mm)

77" (1951mm) on base

9" (229mm)

90 lbs (41kg)

Vertical

Please refer to the documen-

tation provided with the E100

base. Base installation entails

removal of the middle plate

[A] in the bottom rounded

endcap and attachment of the

base. Use the supplied hex

wrench [B] (either accompany-

ing this manual or attached to

the rear of the speaker).

Wall mounting

For wall mounting, either hori-

zontally or vertically, sturdy brack-

ets [C] (EBR sold separately) are

available; refer to the EBR bracket

documentation. You will need two

pairs of them. Also please note that

wall mounting is a two-person job.

Miscellaneous

All E series speakers come with

their grilles installed; we recommend

not removing any of the E100’s three

grilles. The Boston Acoustics logo on

the middle grille is rotatable, so you

may wish to turn it appropriately if

should you ever need to reorient

your speakers. Rotate the logo by

gently pulling it out (it’s spring-

loaded) and turn it to the desired ori-

entation. Be careful not to scratch the

grille with the bottom of the logo.

WireManagement

Recessed channels on the cabi-

net back let you dress the wiring

and conceal extra wire.

Placement:

Home Theater

For a home theater, you will want

to have the left and right front

speaker flank your TV. They may be

right next to it, for a neat appear-

ance and tightly imaged and

focused sound, or spread out from

it a bit, for wider stereo separation.

If they’re right next to the screen,

experiment with angling them out-

ward a bit, to increase the width of

the soundstage. Also refer to the

later subsection on usage of the rear

(ambience) tweeter.

–6–

[A] [C][B]

This side up

for vertical

placement

This

side

up for

horizontal

placement

Acenter channel unit can go

above or below the TV, using

optional E pillows as needed.

Assurrounds in a 5.1 system,

[A] the speakers should go out to

the side of and slightly above the

main seating area. They also can

be positioned slightly ahead of or

slightly behind the center seats. If

possible, it’s best not to put them

behind the main seating area in a

5.1 setup. The 6.1 and 7.1 sur-

round configurations, however,

call for an additional speaker [B]

(6.1) or pair of speakers (7.1)

behind the couch shown in the

5.1 room above.

Placement: Music

For a music-only system, whether

2-channel stereo or surround, the

same guidelines apply,although

you can havemore leeway with the

front stereo arrangement. The front

speakers can form up to an equilat-

eral triangle with your main seats,

or somewhat narrower than that,

depending on your taste in imaging

and soundstage width.

Staggering distances

for smoother sound

Whether video or music play-

back, for smoothest and most

natural tonal balance in the lower

midrange, try to ensure that the

distances from the E100 center

woofer to the front wall, side wall,

and floor are not the same.

Indeed, if you can do so, make

them rather different — stagger

them. But as you get used to your

new system, always feel free to

experiment.

In locating your speakers you

also will want to pay attention to

any nearby lighting fixtures and

similar objects that may vibrate

when you are enjoying high listen-

ing levels.

MENU/ENTER

INPUTSELECT

DOWNUPLEFT/

RIGHT/+/EXIT

VOLUME

POWER/STANDBY

MENU/ENTER

INPUTSELECT

DOWNUPLEFT/

RIGHT/+/EXIT

VOLUME

POWER/STANDBY

[A] [B]

–7–

The Ambience

Tweeter

Whether to turn off the rear

tweeter is essentially a matter of

taste. It is shipped set to its on

position, so you will immediately

experience the E100’s gratifyingly

spacious and natural treble play-

back when you fire up your new

loudspeakers.

If, however, your room is unusu-

ally bright or hard-sounding (lots

of bare surfaces, like wood or tile

floors, windows and mirrors or

other glass, etc.), or you simply

prefer a drier sound and a tighter

image, then feel free to experiment

with turning the rear tweeter off.

Similarly if you wall-mount your

E100s. The ambience tweeter will

be “splashing” against a nearby

hard surface,and you may well

find this rebalancing (a bit of siz-

zle,perhaps, assuming the front

wall is hard) to your liking, or you

maynot.

You also will want to experiment

with it on and off according to pro-

gram material —- movies vsmusic,

orchestral (or choral or chamber

music, or jazz) vspop and rock,

and so on.

You will find that the difference

in airiness and detail is subtle but

real, and further sets the E100

apart from most other modern

high-end loudspeaker designs.

Adding a Subwoofer

The E100 can handle a large

amount of power, including low

frequencies. Your receiver or ampli-

fier will probably distort before

your speakers will. And this power-

handling capability extends all the

way down to below 39Hz.

However, many modern movies

today, and certain kinds of musical

program material, contain signifi-

cant amounts of signal below

35Hz, whether from film-track

explosions or from drum, organ,

and synthesizer. Assuming you reg-

ularly play such movies and music,

you will want to add a subwoofer.

Boston Acoustics has several mod-

els available, the best solution

depending on your room size and

taste in program material. We even

offer in-wall/in-ceiling as well as in-

floor designs for lowbass that’s

heard but not seen. (Both require

–8–

–9–

professional installation.) To dis-

cover which options work best for

your situation, please consult your

dealer.

Conventional

Hookup

WARNING: To prevent electrical

shock, always switch off the amplifi-

er or receiver when making connec-

tions to the speaker.

With any speaker system it’s

important that each speaker chan-

nel be wired the same way to your

receiver or amplifier, red speaker

terminal to red amp terminal and

black to black, + to + and – to – .

This ensures that the units are

driven with the same polarity (in

“phase”). Inconsistent connec-

tions will result in a poor sound-

stage image or weak bass.

For the connection to your

receiver or amp, use 16-gauge

wire. For short runs (less than 10-

15’), 18-gauge is acceptable, and

for longer runs (more than 25’),

14-gauge wire is preferable but a

bit harder to find. “Audiophile”

cable from your dealer is fine, too.

All speaker wire has one con-

ductor side coded to make con-

sistent hookups easier; usually

it’sathin ridge, ribbing, stripe or

bead running the length of the

wire, or sometimes the wire itself

is different colors, for example

one side silvered and the other

plain copper.Our 24K-gold-plate

(to prevent corrosion) speaker

connectors are what are called

five-waybinding posts,for sev-

eral means of fastening.

Banana plugs are easiest and

simplest, but spade lugs or

pins are acceptable,as is bare

wire if you avoid fraysand

strands,make the connection

tight, and check it regularly.

In all cases, split the vinyl

insulation in the middle of the

cable and strip 1⁄2”(12mm) off

the ends of each of the dual

strands, exposing the two wire

conductors. Twist the wire

and, with the receiver or

BareWire

Cable pelado

Fil nu

Filo nudo

Blanker Draht

Turn Clockwise to Tighten

Para apretar, gire en el sentido

de las manecillas del reloj

Tourner dans le sens horaire

pour serrer

Girare in senso orario per serrare

Im Uhrzeigersinn festdrehen

RL RR

FRONT A

SURROUNDFRONT B CENTER

Wiring

Cableado

Câblage

Cablaggio

Kabelanschluss

amplifier turned off, make the

connection to your connector

of choice or simply insert the

wire into the hole and tighten,

as shown. Leave the jumper

plate where it is.

Bi-wiring

Bi-wiring means running a dou-

ble set of wire from your amplifier

orreceiver speaker output to each

Eseries cabinet, connecting to the

woofer(s) and tweeter separately.

The jumper plates must be

removed; see figure below.

Bi-wiring increases power

transfer and potentially decreases

intermodulation of different fre-

quencies. Any improvements are

subtle. If you bi-wire, use the

same type and length of wire for

all connections, and again main-

tain + to + (red) and – to –

(black).

1) Loosen all four terminals

and remove the jumper straps.

2) Connect the wires from the

amplifier’s speaker output ter-

minals to the sets of terminals

on the back of each speaker as

shown.

Bi-amping

Bi-amplification entails separate

amplifiers for the woofer(s) and

tweeter and can enhance the

dynamic performance and the ease

of the sound from your system.

Splitting the load lets each amplifi-

er work less hard, increasing the

power available to each driver.

If you bi-amp, use the same type

and length of wire for all connec-

tions,maintaining + to + (red) and

–to – (black).

1) Loosen all four terminals and

remove the jumper straps.

2) Connect the wires from the

dedicated woofer amplifier’s

speaker output terminals to

the bottom set of terminals

on the back of each speaker,

as shown.

3) Repeat for the tweeter:

Connect the wires from its

amplifier’s speaker output ter-

minals to the top set of termi-

nals on the back of each

speaker, as shown.

–10 –

RLRR

FRONT A

SURROUNDFRONT B CENTER

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