Infinity BETA ES250 Manuale utente

SPEAKER SYSTEMS

Owner’s Guide

INFINITY BETA™ES250

2BETA ES250

Infinity Beta

™

Series

The Infinity Beta™Series of loudspeakers continues Infinity’s

longstanding commitment to accurate sound reproduction.Our

patented Ceramic Metal Matrix Diaphragm (CMMD™) drivers,

precision dividing networks and rigid,heavily braced enclosures

combine to deliver uncompromised performance in any stereo or

multichannel home theater system.The Beta ES250 is the perfect

surround loudspeaker to complete any home theater system.

Unpacking the Speaker

If you suspect damage from transit,report it immediately to

your dealer. Keep the shipping carton and packing materials

for future use.

PLANNING YOUR SYSTEM

Choosing Proper Placement and Setup

The Beta ES250 surround speaker can be used in side or rear

channel applications.Please refer to the placement and setup

method for your application.The first step is to determine the

application for which your Beta ES250 surround speaker will

be used.

If you are using the Beta ES250 for surround channels in a

5-channel home theater system or for side channels in a 6-

or 7-channel home theater system (Application 1),please

follow the directions below.

If you are using the Beta ES250 as a rear speaker in a 6- or 7-

channel home theater system (Application 2),please follow the

directions on page 3.

The Beta ES250 also possesses the unique capacity to behave as

two distinct loudspeakers from one enclosure.This allows you to

use a single ES250 for both the left and right rear speakers in a

7-channel system.If you are using the Beta ES250 this way,

please follow the instructions on page 3 (Application 3).

Placement (Application 1)

When using the Beta ES250 for the surround channels in a

5-channel home theater system or for side channels in a 6-

or 7-channel home theater system,refer to Figures 1 and 2.

The speakers should be placed perpendicular to or slightly

behind the primary listening location,as shown.

Setting the Surround Configuration Selector

It is generally recommended that the selectable surround mode

configuration be set to Bipole.This will provide a large ambient

surround sound field while allowing for precise localization of

sound effects that the filmmaker has placed in the surround

tracks.

If the side walls on which the speaker will be mounted are more

than about 14' (4.3m) from the listening position,setting the

Surround Mode Configuration Switch to Monopole may offer

improved performance.It is also recommended that the Monopole

position be selected if the speakers will be mounted close to a

corner,as shown in Figure 2.

If you are using a receiver/processor with aTHX®surround mode

and have selected theTHX surround mode,it may be beneficial to

use the Dipole setting. This is a matter of personal preference

and may change depending on the individual film soundtrack.It

is also recommended that the Dipole setting be used with older

recordings that are only recorded with a Dolby* Pro Logic* (not

the newer Dolby Digital) soundtrack.

Couch

Left

Front

Channel

Left

Surround

Channel

Right

Surround

Channel

Right

Front

Channel

Center

Channel

Infinity

Subwoofer

(optional)

Couch

Left

Front

Channel

Left

Surround

Channel

Right

Surround

Channel

Right

Front

Channel

Center

Channel

Infinity

Subwoofer

(optional)

Figure 2.

Figures1 and 2.These overhead views show typical

home theater plans.

Figure 1.

BETA ES250

IMPORTANT NOTE:The set of drivers closer to the monopole

setting indicator in Figure 3 should be installed toward the front

of the room.It does not matter whether the tweeter is positioned

above or below the woofer.This will ensure proper operation

and performance should the Monopole or Dipole position on

the surround mode configuration switch be selected.

Figure 3. Surround mode configuration switch.

(BIPOLE)

(DIPOLE)

(MONOPOLE)

Placement (Application 2)

When using the Beta ES250 as a rear speaker(s) in a 6- or

7-channel home theater system,refer to Figures 4 and 5.

The speaker(s) should be mounted on the rear wall facing the

listening area,between the side channel speakers.If you are

using one rear speaker,it should be mounted as close as

possible to the center of the listening area.When using two

rear speakers,they should be spaced evenly within the width

of the listening area.

Setting the Surround Configuration Selector

When used as a rear channel speaker in a 6- or 7-channel

system,it is recommended that the Surround Mode Configuration

Switch be set to Bipole,as shown in Figure 6.

Placement (Application 3)

The Beta ES250 also possesses the unique capacity to behave

as two distinct loudspeakers from one enclosure.This allows you

to use a single ES250 for both the left and right rear speakers

in a 7-channel system.

To utilize the ES250 in this application,follow these simple steps:

1.Decide where you want to mount the speaker.Ideally,it should

be mounted in the center of the rear wall,similar to how it would

be mounted in a 6-channel system (Fig.4).

2.Loosen the terminals and remove the strapping bars that

connect the two sets of terminals (Fig.9).

3.To ensure proper left/right connections,make sure that the

speaker is in the“upright”position.The label on the back of

the speaker should be readable,not upside down.

4.Connect the speaker wire for the RIGHT REAR speaker to

the top set of terminals (Fig.10).

5.Connect the speaker wire for the LEFT REAR speaker to

the bottom set of terminals (Fig.10).

6.Set the mode configuration switch to the Bipole position (Fig.6).

Couch

Left

Front

Channel

Left

Side

Channel

Right

Side

Channel

Rear Center Channel

Right

Front

Channel

Center

Channel

Infinity

Subwoofer

(optional)

Figure 4. This overhead view shows a typical home theater plan

with a single rear-center surround channel.

Couch

Left

Front

Channel

Left

Side

Channel

Left Rear Channel Right Rear Channel

Right

Side

Channel

Right

Front

Channel

Center

Channel

Infinity

Subwoofer

(optional)

Figure 5. This overhead view shows a typical home theater plan

when using two rear channel speakers.

Figure 6. Surround mode

configuration switch.

(BIPOLE)

(DIPOLE)

(MONOPOLE)

4BETA ES250

WIRING THE SYSTEM

IMPORTANT:Make sure all equipment is turned off before

making any connections.

For speaker connections,use a high-quality speaker wire with

polarity coding.The side of the wire with a ridge or other coding

is usually considered positive polarity (i.e.,+).Heavier-gauge

wire should be used when more than 50 feet (15m) of speaker

wire is required.The wire channels on the rear of the Beta ES250

will accommodate most types of 14- to 18-gauge wire.

NOTE: If desired,consult your local Infinity dealer about speaker

wire and connection options.

To ensure proper polarity,connect each +terminal on the back

of the amplifier or receiver to the respective +(red) terminal on

each speaker,as shown in Figure 8.Connect the –(black)

terminals in a similar way.See the owner’s guides that were

included with your amplifier or receiver to confirm connection

procedures.

IMPORTANT: Do not reverse polarities (i.e.,+ to –or –to +)

when making connections.Doing so will cause poor imaging and

diminished bass response.

Figure 7. This example shows how to connect bare wires to the

terminals.

Applications 1 and 2

Figure 8. Wiring diagram shows polarity connections for one

channel usingApplications 1 and 2.

Application 3

Figure 9. Loosen the terminals and remove the strapping bars

that connect the two sets of terminals.

Figure 10. Wiring diagram shows connections for two channels

usingApplication 3.

–

Receiver/

Amplifier

Right Rear

Speaker

Left Rear

Speaker

Right

Rear Left

Rear

– –

+–

Receiver or

Amplifier

(rear view)

–

Speaker

(rear view)

(one channel shown)

WALL-MOUNTING

The Infinity Beta ES250 speaker is designed to mount directly

to a wall.Each speaker has (4) keyholes in the rear to allow

either left- or right-side placement.Each speaker will require

(2) 1-1/2"(38mm),#8 wood screws fastened to a wall stud.

If a wall stud is unavailable,install an anchor appropriate for

a 1-1/2"(38mm),#8 screw.Use the supplied template to

accurately position the screws on the wall and refer to

the diagrams for more assistance.

NOTE:The customer is responsible for the correct selection and

use of mounting hardware (available through hardware stores)

that will ensure the proper and safe wall-mounting of the

speakers.

Step 1.

Position the supplied wall-mount template on the wall in the

desired speaker location.Make two markings per speaker.

Figure 11.

Step 2.

Fasten (2) 1-1/2"(38mm),#8 wood screws to the wall using the

markings placed in Step 1 as your guide.Leave a 3/16" (5mm)

space between the wall and screwhead.If a wall stud is not

available,use an appropriate anchor.

Step 3.

Attach speaker wire,as shown on page 4.

Step 4.

Place the speaker on the wall by aligning the upper two keyholes

on the back of the speaker to the screwheads on the wall.Once

positioned properly,the speaker should slide down slightly and

become secure.

IMPORTANT NOTE:The set of drivers closer to the monopole

setting indicator in Figure 3 should be installed toward the

front of the room.It does not matter whether or not the tweeter

is positioned above or below the woofer.This will ensure proper

operation and performance should the Monopole or Dipole

position on the surround mode configuration switch be selected.

8-3/8" (213mm)

11-13/16" (300mm)

2-7/16"

(62mm)

13-3/4"

(349mm)

Wire Channel

4-3/16" (107mm)

BETA ES250

6BETA ES250

FINAL ADJUSTMENTS

Check the speakers for playback first by setting the system

volume control to a minimum level,and then by applying power to

your audio system.Play a favorite music or video segment and

increase the system volume control to a comfortable level.

NOTE:You should hear balanced audio reproduction across the

entire frequency spectrum.If not,check all wiring connections or

consult the authorized Infinity dealer from whom you purchased

the system for more help.

When the Beta ES250 speakers are used as part of a Dolby

Digital or DTS®multichannel home theater system with a

powered subwoofer,it is recommended that you set your

receiver/processor speaker mode to“small”or“high-pass”for

all channels connected to a Beta ES250.In addition,some

receivers/processors allow you to adjust the high-pass frequency

for the“small”or“high-pass”setting.If your receiver/processor

has this capability,it is recommended that you set the high-

pass frequency to between 80Hz and 120Hz.Consult your

receiver/processor manual for more information about

these adjustments.

The placement and setup instructions in this manual are written

in general terms to cover most typical installations.We realize

that each room is different and that your specific installation may

require some modification to these guidelines.You can be sure

that if you need to install the speakers outside the guidelines in

the manual,they will still deliver excellent sound with any music

or film soundtrack.

Feel free to experiment with the Surround Mode Selector Switch

to determine the best settings in your room with your system.

CARE OF YOUR SPEAKER SYSTEM

The Beta ES250 does not require any routine maintenance.When

needed,use a soft cloth to remove any fingerprints or dust.

NOTE: Do not use any cleaning products or polishes on the

cabinet or grille.

BETA ES250

Declaration of Conformity

We,Harman Consumer International

2, route de Tours

72500 Chateau-du-Loir

France

declare in own responsibility that the product described in this owner’s

manual is in compliance with technical standards:

EN 61000-6-3:2001

EN 61000-6-1:2001

Robin Marshall

Harman Consumer International

Chateau-du-Loir, France 12/03

Infinity continually strives to update and improve existing products,as well as

create new ones.The specifications and construction details in this and

related Infinity publications are therefore subject to change without notice.

SPECIFICATIONS Beta ES250

Frequency Ranges: 60Hz – 20kHz (±3dB)

50Hz – 40kHz (–6dB)

Recommended

Amplifier Power Range: 10 – 150 watts

Sensitivity: 87dB

(2.83V @ 1 meter)

Nominal Impedance: 8Ω

Crossover Frequency: 2.3kHz;12dB/octave

Low-Frequency Drivers: Dual 5" (130mm) CMMD

High-Frequency Drivers: Dual 1" (25mm) CMMD

Dimensions (H xW xD): 13-3/4" x 11-13/16" x 6-7/8"

(350mm x 300mm x 175mm)

Weight: 12.5 lb (5.7kg)

InfinitySystems,250 Crossways Park Drive,Woodbury,NY 11797 USA 516.674.4INF (4463)

www.infinitysystems.com

Infinity is a registered trademark,and Infinity Beta and CMMD are trademarks,of Harman International Industries,Incorporated.

THX is manufactured under license fromTHX Ltd. Lucasfilm andTHX are registered trademarks ofTHX Ltd.

*Trademarks of Dolby Laboratories.DTS is a registered trademark of DigitalTheater Systems,Inc.

Ceramic Metal Matrix Diaphragm (CMMD) patent nos.6,327,372 and 6,404,897.

Part No.352611-001 02/04

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