Infinity 108IL10B User manual

Owner’s Guide

• IL10

• IL30

• IL40

INTERLUDE™SPEAKER SYSTEMS

Infinity Interlude Series

The Interlude Series of loudspeakers continues Infinity’s

longstanding commitment to accurate sound reproduction.

Our proprietary Ceramic Metal Matrix Diaphragm™(C.M.M.D.)

drivers,precision dividing networks and rigid,well-braced

enclosures combine to deliver uncompromised performance in

any stereo or multichannel home-theater system.In addition,

the IL10,IL30 and IL40 are magnetically shielded for safe

placement adjacent to a television.

If you suspect damage from transit,report it immediately to

your dealer.Keep the shipping carton and packing materials

for future use.

Stereo

Before deciding where to place your Interlude speakers,survey

your room and think about placement,keeping the following

points in mind:

•For best results,place the speakers 6'–8' apart.

•Position each speaker so that the tweeter is at approximately

ear level.

•Generally,bass output will increase as the speaker is moved

closer to a wall or corner.

•Refer to“HomeTheater”below if you also plan to use the

speakers for home-theater reproduction.

HomeTheater

For front-channel use,place one speaker on the left and another

on the right along either side of the television monitor.Since the

speakers are magnetically shielded,you can place them without

worrying about the field distorting theTV picture.

Forrear-channel use,place speakers on bookshelves or stands

alongside the listening position.Final placement depends on

room acoustics,availability of space and your listening

preference (Figure 2).

NOTE:An Infinity powered subwoofer will add impact and

realism to both music and film soundtracks.Contact your local

Infinity dealer for recommendations on subwoofer models for

your application.

PLACEMENT

UNPACKING THE SPEAKERS

FIGURE 1

Listening Position

Left

Channel Right

Channel

Couch

Left

Front

Channel

Left

Surround

Channel

Right

Surround

Channel

Right

Front

Channel

Center

Channel

Infinity

Subwoofer

(optional)

– Experiment with speaker placement to obtain the best

bass level and stereo imaging in your room.

FIGURE 2–This overhead view shows a typical home-theater plan.

2INTERLUDE

INTERLUDE

IL30 and IL40

Refer to Figure 3 as you perform the following steps:

1. Open each accessory pack and locate the following items:

four feet (with spike/round ends),four locking nuts,four

nylon domes and one wrench.

2. Lay each speaker on its side and locate the four threaded

holes on the bottom.

3. For carpets,screw the round end of a foot into each hole

and hand-tighten a nut onto each one.Leave a minimum of

5/8" of exposed spike.(On thicker carpets,you can increase

the length of exposed spike up to 1-1/8.") For hard-surface

floors,screw the spike end into each hole instead and leave

5/8" of round end exposed.

4. Carefully flip each speaker upright to sit on its feet.

5. If needed,adjust the feet so each speaker is level and then

tighten each nut with the enclosed wrench.To protect hard

surfaces (e.g.,wood floors),slip a nylon dome onto each

round end.

INSTALLING FEET

Nylon Dome

(optional for

wood floors)

Locking Nut

HARD-SURFACE

FLOORS

CARPETED

FLOORS

Foot

round end

spike end

Bottom

of Speaker

5⁄8"

5⁄8" min.

11⁄8"max.

FIGURE 3–This cross section shows how to install a foot

onto the bottom of an IL30 or IL40 floorstanding speaker.

4INTERLUDE

–

1. Loosen the terminals.

2. Insert bare ends;

tighten terminals.

+–

Receiver or

Amplifier

(rear view)

–

Speaker

(rear view)

Standard

Connection

(one channel shown)

WIRING THE SYSTEM

FIGURE 4–This example shows how to connect bare wires to the

terminals.Banana plugs may also be inserted directly into the rear of the

connector.

IMPORTANT:Make sure all equipment is turned off before

making any connections.

For speaker connections,use a minimum #16-gauge speaker

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

other coding is usually considered positive polarity (i.e.,+).

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

wire and connection options.

The speakers have coded terminals that accept a variety of wire

connectors.The most common connection is shown in Figure 4.

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 5.Connect the –(black)

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

included with your amplifier,receiver and television 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 5–Wiring diagram shows polarity connections for one

channel of a stereo or home-theater system.

INTERLUDE

1. Loosen the terminals and remove

strapping bars.

2. Insert the speaker wire for the

high frequencies into the top set

of terminals and tighten.

3. Insert the speaker wire for the

low frequencies into the bottom

set of terminals and tighten.

–

Right

Speaker

–

Left

Speaker

Receiver/

Amplifier

Right Left

––

–

Right

Speaker

–

Left

Speaker

Amplifier 2

Amplifier 1

Right Left

––

Right Left

––

Single-StereoAmplifier

Dual-StereoAmplifier

BI-WIRING

The Interlude Series outer connection panel and internal dividing

network are designed so that separate sets of speaker cables can be

attached to the low-frequency transducer and midrange/high-frequency

transducer portions of this dividing network.This is called bi-wiring.

Bi-wiring can provide several sonic advantages and considerably more

flexibility in power amplifier selection.

FIGURE 6

FIGURE 7

FIGURE 8

6INTERLUDE

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.

The amount of bass you hear and the stereo-image quality will be

affected by a number of different factors,including the room’s

size and shape,the construction materials used to build the

room,the listener’s position relative to the speakers,and the

position of the speakers in the room.

Listen to a variety of music selections and note the bass level.

If there is too much bass,move the speakers away from nearby

walls.Conversely,if you place the speakers closer to the walls,

there will be more bass output.

Nearby reflecting surfaces can adversely affect stereo-imaging

quality.If this happens,try angling the speakers slightly inward

toward the listening position until the desired effect is achieved.

Each Interlude Series cabinet has a wood-vinyl finish that

does not require any routine maintenance.When needed,use

a soft cloth,dampened with water only,to remove any

fingerprints or dust.

Clean the grille by gentle vacuuming.

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

cabinet or grille.

FINAL ADJUSTMENTS

CARE OF YOUR SPEAKER SYSTEM

INTERLUDE

IL10 IL30 IL40

Frequency Range: 56Hz – 22,000Hz (±3dB) 48Hz – 22,000Hz (±3dB) 38Hz – 22,000Hz (±3dB)

Recommended

Amplifier Power Range: 15 – 150 watts 15 – 150 watts 15 – 175 watts

Sensitivity: 88dB 88dB 89dB

(2.83V @ 1 meter)

Nominal Impedance: 8Ω8Ω8Ω

Crossover Frequency: 2800Hz;24dB/octave 2800Hz;24dB/octave 600Hz,2500Hz;24dB/octave

Low-Frequency Driver: 6-1/2" (165mm) C.M.M.D., 6-1/2" (165mm) C.M.M.D., 8" (203mm) C.M.M.D.,

magnetically shielded magnetically shielded magnetically shielded

Mid-Frequency Driver: N/A N/A 4" (102mm) C.M.M.D.,

magnetically shielded

High-Frequency Driver: 1" (25mm) C.M.M.D., 1" (25mm) C.M.M.D., 1" (25mm) C.M.M.D.,

magnetically shielded magnetically shielded magnetically shielded

Dimensions:(H x W x D) 15-5/8" x 8-1/2"x 11-1/2" 36" x 8-1/2"x 8-3/4" 40" x 10"x 11-1/2"

(397mm x 216mm x 292mm) (914mm x 216mm x 222mm) (1016mm x 254mm x 292mm)

Weight: 18lb (8.2kg) 34lb (15.5kg) 41lb (18.6kg)

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

Declaration of Conformity

We, Infinity Systems A/S

Kongevejen 194B

DK-3460 Birkerød

DENMARK

declare in own responsibility, that the products described

in this owner’s manual are in compliance with technical

standards:

EN 50081-1:1992

EN 50082-1:1992

Steen Michaelsen

Infinity Systems A/S

Birkerød. DENMARK. 12/99

250 Crossways Park Drive,Woodbury,NY 11797 USA

(800) 553-3332 (USA Only) www.infinitysystems.com

Infinity is a registered trademark of Infinity Systems,Inc.Printed in USA 12/99 Part No.335755-001

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