Owner’s Guide
• IL100s
• IL120s
INTERLUDE™POWERED SUBWOOFERS
ii
INTERLUDE IL100S,IL120S
THIS INFINITY PRODUCT IS DESIGNED FOR 120-VOLT USE ONLY! FOR
DETAILED SAFETY PRECAUTIONS, PLEASE SEE FOLLOWING PAGE IN THIS
OWNER’S MANUAL FOR “IMPORTANT SAFETY INSTRUCTIONS.”
The lightning flash with arrowhead symbol, within an equilateral triangle, is
intended to alert the user to the presence of uninsulated “dangerous voltage” within
the product’s enclosure that may be of sufficient magnitude to constitute a risk of
electric shock to persons.
The exclamation point within an equilateral triangle is intended to alert the user
to the presence of important operating and maintenance (servicing) instructions in
the literature accompanying the product.
L’éclair avec le symbole de la flèche, placé dans les limites d’un triangel équilatéral est
prévu pour avertir l’utilisateur de la présence de “tension dangereuse” non isolée dans
l’enceinte du produit qui pourrait être d’une importance suffisante pour présenter un
risque d’électrocution aux personnes.
Le point d’exclamation dans un triangel équilateral est prévu pour avertir l’utilisateur
de la présence d’instructions importantes pour les opérations et l’entretien (service)
dans les manuels fournis avec l’appareil.
ATTENTION: POUR EVITER LES CHOCS ELECTRIQUES, INTRODUIRE
LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE
CORRESPONDANTE DE LA PRISE ET POUSSER JUSQUAU FOND.
Este destello luminoso con un símbolo de punta de flecha dentro de un triángulo
equilátero tiene el objectivo de alertar al usuario sobre la presencia de “voltaje
peligroso” no aislado dentro de la caja del producto que puede ser de magnitud lo
suficientemente grande para constituir un riesgo de choque eléctrico para las personas.
Este punto de exclamación dentro de un triángulo equilátero tiene el objectivo de
alertar al usuario sobre la existencia de instrucciones operativas y de mantenimiento
(servicio) importantes en la literatura que acomaña el aparato.
CUIDADO: PARA REDUCIR EL RIESGO DE CHOQUE ELÉCTRICO, NO
RETIRE LA CUBIERTA (O RESPALDO). DENTRO NO HAY PEIZAS A LAS
QUE EL USUARIO PUEDE DAR SERVICIO. REMITA EL SERVICIO AL
PERSONAL DE SERVICIO CALIFICADO.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WARNING: SHOCK HAZARD, DO NOT OPEN.
AVIS: RISQUE DE CHOC ELECTRIQUE – NE PAS OUVRIR.
CUIDADO: PELIGRO DE CHOQUE ELÉCTRICO – NO ABRIR.
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK
DO NOT REMOVE COVER (0R BACK)
NO USER SERVICEABLE PARTS INSIDE
REFER SERVICING TO QUALIFIED PERSONNEL
Read First!
1.Read Instructions.All the safety and operating
instructions should be read before the product is
operated.
2.Retain Instructions.The safety and operating
instructions should be retained for future reference.
3.Heed Warnings.All warnings on the product and in
the operating instructions should be adhered to.
4.Follow Instructions.All operating and use
instructions should be followed.
5.Cleaning. Unplug this product from the wall outlet
before cleaning.Do not use liquid cleaners or aerosol
cleaners.Use a damp cloth for cleaning.
6.Attachments.Do not use attachments not
recommended by the product manufacturer,
as they may cause hazards.
7.Water and Moisture.To reduce the risk of fire or
electric shock,do not use this product outdoors or
near water–for example,near a bathtub,wash bowl,
kitchen sink or laundry tub;in a wet basement; near a
swimming pool;or the like.
8.Accessories. Do not place this product on an
unstable cart,stand, tripod,bracket or table.The
product may fall,causing serious injury to a child or
adult,and serious damage to the product.Use only
with a cart,stand, tripod,bracket or table
recommended by the manufacturer, or sold with the
product. Any mounting of the product should follow the
manufacturer’s instructions,and should use a
mounting accessory recommended by the
manufacturer.
9.A Product and Cart Combination
Should Be Moved with Care.Quick
stops,excessive force and uneven
surfaces may cause the product and
cart combination to overturn.
10.Ventilation. Slots and openings in the cabinet are
provided for ventilation and to ensure reliable
operation of the product and to protect it from
overheating,and these openings must not be blocked
or covered.The openings should never be blocked by
placing the product on a bed,sofa,rug or other
similar surface.This product should not be placed in a
built-in installation,such as a bookcase or rack,
unless proper ventilation is provided or the
manufacturer’s instructions have been adhered to.
11.Power Sources.This product should be operated
only from the type of power source indicated on the
marking label.If you are not sure of the type of power
supply to your home,consult your product dealer or
local power company.For products intended to operate
from battery power,or other sources,refer to the
operating instructions.
12.Grounding or Polarization.This product may be
equipped with a polarized alternating-current-line plug
(a plug having one blade wider than the other).This
plug will fit into the power outlet only one way.This is
a safety feature.If you are unable to insert the plug
fully into the outlet,try reversing the plug.If the plug
should still fail to fit,contact your electrician to
replace your obsolete outlet.Do not defeat the safety
purpose of the polarized plug.
13.Power-Cord Protection.Power-supply cords should
be routed so that they are not likely to be walked on or
pinched by items placed upon or against them,paying
particular attention to cords at plugs,convenience
receptacles,and the point where they exit from the
product.
14.Nonuse Periods.The power cord of the product
should be unplugged from the outlet when left unused
for long periods of time.
15.Outdoor Antenna Grounding. If an outside antenna
or cable system is connected to the product,be sure
the antenna or cable system is grounded so as to
provide some protection against voltage surges and
built-up static charges.Ar ticle 810 of the National
Electrical Code, ANSI/NFPA 70, provides information
with regard to proper grounding of the mast and
supporting structure,grounding of the lead-in wire to
an antenna discharge unit,size of grounding
conductors,location of antenna-discharge unit,
connection to grounding electrodes,and requirements
for the grounding electrode.See Figure A.
16.Lightning. For added protection for this product
during a lightning storm,or when it is left unattended
and unused for long periods of time,unplug it from
the wall outlet and disconnect the antenna or cable
system. This will prevent damage to the product due to
lightning and power-line surges.
17.Power Lines.An outside antenna system should not
be located in the vicinity of overhead power lines or
other electric light or power circuits,or where it can
fall into such power lines or circuits.When installing
an outside antenna system,extreme care should be
taken to keep from touching such power lines or
circuits,as contact with them might be fatal.
18.Overloading. Do not overload wall outlets,extension
cords,or integral convenience receptacles,as this can
result in a risk of fire or electric shock.
19.Object and Liquid Entry.Never push objects of any
kind into this product through openings,as they may
touch dangerous voltage points or short-out parts that
could result in a fire or electric shock.Never spill
liquid of any kind on the product.
20.Servicing. Do not attempt to service this product
yourself,as opening or removing covers may expose
you to dangerous voltage or other hazards.Refer all
servicing to qualified service personnel.
21.Damage Requiring Service. Unplug this product
from the wall outlet and refer servicing to qualified
service personnel under the following conditions:
a. The power-supply cord or the plug has been
damaged;or
b. Objects have fallen onto,or liquid has been spilled
into,the product;or
c. The product has been exposed to rain or water;or
d. The product does not operate normally when
following the operating instructions.Adjust only those
controls that are covered by the operating instructions,
as an improper adjustment of other controls may
result in damage and will often require extensive work
by a qualified technician to restore the product to its
normal operation;or
e. The product has been dropped or damaged in a ny
way;or
f. The product exhibits a distinct change in
performance; this indicates a need for service.
22.Replacement Parts. When replacement parts are
required,be sure the service technician has used
replacement parts specified by the manufacturer or
that have the same characteristics as the original
part.Unauthorized substitutions may result in fire,
electric shock or other hazards.
23.Safety Check. Upon completion of any service or
repairs to this product,ask the service technician to
perform safety checks to determine that the product is
in proper operating condition.
24.Wall or Ceiling Mounting.The product should be
mounted to a wall or ceiling only as recommended by
the manufacturer.
25.Heat.The product should be situated away from
heat sources such as radiators,heat registers,stoves
or other products (including amplifiers) that produce
heat.
Figure A.
Example of Antenna Grounding as per
National Electrical Code ANSI/NFPA 70
IMPORTANT SAFETY PRECAUTIONS
iii
INTERLUDE IL100S,IL120S
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
The lightning flash with arrowhead
symbol within an equilateral triangle is
intended to alert the user to the presence
of uninsulated “dangerous voltage” within
the product’s enclosure that may be of
sufficient magnitude to constitute a risk of
electric shock to persons.
The exclamation point within an
equilateral triangle is intended to alert the
user to the presence of important
operating and maintenance (servicing)
instructions in the literature accompanying
the appliance.
Antenna Lead-In Wire
Ground Clamp
Antenna Discharge Unit (NEC Section 810-20)
Grounding Conductors (NEC Section 810-21)
Electric Service Equipment
Ground Clamps
Power Service Grounding Electrode System
(NEC Art. 250, Part H)
INTERLUDE IL100S,IL120S
iv
ii Caution
iii Important Safety Precautions
1 Unpacking the Subwoofer
1 Placement of the Components
2 Controls and Connections
3 Connections
4 Operation
5 Bass Optimization System™
6 Maintenance and Service
7 Specifications
Table of Contents
INTERLUDE IL100S,IL120S OWNER’S GUIDE
1
INTERLUDE IL100S,IL120S
Infinity Interlude Series
The Interlude series of loudspeakers and powered subwoofers
continues Infinity’s longstanding commitment to accurate sound
reproduction.Our proprietary Ceramic Metal Matrix Diaphragm™
(C.M.M.D.™) drivers and Bass Optimization System,™along with
precision dividing networks and rigid,well-braced enclosures,
combine to deliver uncompromised performance in any stereo or
multichannel home theater.
Unpacking the Subwoofer
If you suspect damage from transit,report it immediately to your
dealer.Keep the shipping carton and packing materials for
future use.
Since the installation of a subwoofer can be somewhat more
complicated than installing full-range speakers,it is essential that
you read this section very carefully prior to connecting the
subwoofer to your system.Should you have questions relating to
your installation,it is advisable to call either your dealer or
Infinity’s Customer Service Department for advice.
The performance of the subwoofer is directly related to its
placement in the listening room and how you align the subwoofer
with its satellite speakers.Setting the volume of the subwoofer in
relationship to the left and right speakers is also of critical
importance because it is essential that the subwoofer integrate
smoothly with the entire system.Setting the subwoofer’s volume
level too high will result in an overpowering,boomy bass.Setting
the volume level too low will negate the benefits of the subwoofer.
Here are several additional facts on installation that may prove
useful.It is generally believed by most audio authorities that low
frequencies (below 125Hz) are nondirectional and,therefore,
placement of a subwoofer within any listening room is not critical.
While in theory it is true that the larger wavelengths of extremely
low frequencies are basically nondirectional,the fact is that when
installing a subwoofer within the limited confines of a room,
reflections,standing waves and absorptions generated within the
room will strongly influence the performance of any subwoofer
system.As a result,specific location of the subwoofer becomes
important,and we strongly recommend that you experiment with
placement before choosing a final location.
Placement will depend upon your room and the amount and quality
of bass required (for example,whether or not your room permits
placement of the subwoofer near either satellite).Be sure to leave
a minimum of six inches between the wall and the port on the
subwoofer.
Figure 1.This example shows the subwoofer positioned behind
the right-channel satellite speaker to re-create the actual
location of bass instruments in an orchestra and/or add impact
to movie soundtracks.
SUB
RIGHTCHANNEL
SPEAKER
PRIMARY
LISTENING
AREA
PLACEMENT
2
INTERLUDE IL100S,IL120S
Rear Panel
CONTROLS AND CONNECTIONS
1
Line-Level Inputs
2
Line-Level Outputs
3
Input Selector
4
Low-Pass Frequency Adjustment
5
Low-Pass Filter Selector
6
Phase Switch
7
AC Cord Input
8
Power Switch
Bass Optimization Controls
9
Bass Optimization System Selector
J
Center-F requency Adjustment
K
Bass Optimization System Level
L
Bandwidth Adjustment
M
Subwoofer-Level Control
Front Panel
Line Level
In Out
L
R
1 2
+
Right
Left
+
In Out
ANSI/UL-1492
LR106476
WARNING: SHOCK HAZARD • DO NOT OPEN
NO USER SERVICEABLE PARTS INSIDE
AVIS: RISQUE DE CHOC ELECTRONIQUE
NE PAS OUVRIR
Line
Low-Pass Freq. Adjust
80Hz
50Hz 150Hz
Low-Pass
L
R
Input
Select
Speaker
3 4
––
––
SPEAKER LEVEL
Caution: For continued protection against risk of fire,
replace only with same type fuse and rating.
Attention: Utiliser un fusible de rechange
3A 120VAC 60Hz
7
+
+
de meme type et calibre.
POWER3A 250V
On
Off
8
Filter
Phase
180
On
Off
5
o
0
6
Optimization
o
Freq.
Level
Width
Bass
System
On
Off
9
J
K
L
M
3
INTERLUDE IL100S,IL120S
If your receiver/processor does not have
subwoofer outputs for the left and right
channels or an LFE output:
CONNECTIONS
If your receiver/processor has subwoofer
outputs for the left and right channels:
NOTE:Some receivers have a single subwoofer output (do not
confuse this with a single LFE output as described below).
In that case,it is recommended that you use a Y connector
(not included) to maximize performance.
If you have a Dolby* Digital or DTS®receiver/
processor with a low-frequency-effect (LFE) output:
NOTE:In this case,you do not need to use a Y connector. Simply
connect the LFE output on your receiver/processor to either the left
or right input on the subwoofer.
+
+
+
+
––
––
L
In Out
In Out
POWER3A 250V
Caution: For continued protection against risk of fire,
replace only with same type fuse and rating.
Attention: Utiliser un fusible de rechange
de meme type et calibre.
3A 120VAC 60Hz
Off
On
Right
Left
Input
Select
Low-Pass
Filter
Bass
Optimization
System
Phase
Low-Pass Freq. Adjust
80Hz
R
L
R
WARNING: SHOCK HAZARD • DO NOT OPEN
NO USER SERVICEABLE PARTS INSIDE
AVIS: RISQUE DE CHOC ELECTRONIQUE
NE PAS OUVRIR
ANSI/UL-1492
LR106476
On
50Hz 150Hz
Off
0
o
180
o
On
Off
Freq.
Level
Width
RECEIVER/AMPLIFIER
Front Speaker Output
Line Level
Speaker
Line
SPEAKER LEVEL
+
+
+
+
––
––
L
In Out
In Out
POWER3A 250V
Caution: For continued protection against risk of fire,
replace only with same type fuse and rating.
Attention: Utiliser un fusible de rechange
de meme type et calibre.
3A 120VAC 60Hz
Off
On
Right
Left
Input
Select
Low-Pass
Filter
Bass
Optimization
System
Phase
Low-Pass Freq. Adjust
80Hz
R
L
R
WARNING: SHOCK HAZARD • DO NOT OPEN
NO USER SERVICEABLE PARTS INSIDE
AVIS: RISQUE DE CHOC ELECTRONIQUE
NE PAS OUVRIR
ANSI/UL-1492
LR106476
On
50Hz 150Hz
Off
On
Off
Freq.
Level
Width
RECEIVER/PROCESSOR
0
o
180
o
Line Level
Speaker
Line
SPEAKER LEVEL
SUBWOOFER OR
LFE OUTPUT
+
+
+
+
––
––
L
In Out
In Out
POWER3A 250V
Caution: For continued protection against risk of fire,
replace only with same type fuse and rating.
Attention: Utiliser un fusible de rechange
de meme type et calibre.
3A 120VAC 60Hz
Off
On
Right
Left
Input
Select
Low-Pass
Filter
Bass
Optimization
System
Phase
Low-Pass Freq. Adjust
80Hz
R
L
R
WARNING: SHOCK HAZARD • DO NOT OPEN
NO USER SERVICEABLE PARTS INSIDE
AVIS: RISQUE DE CHOC ELECTRONIQUE
NE PAS OUVRIR
ANSI/UL-1492
LR106476
On
50Hz 150Hz
Off
180
°
0
°
On
Off
Freq.
Level
Width
Line Level
Speaker
Line
SPEAKER LEVEL
• Set Input Selector to “Speaker.”
• Set Low-Pass Filter to “On.”
• Set Input Selector
to “Line.”
• Set Low-Pass
Filter to “On.”
• Set Input Selector
to “Line.”
• Set Low-Pass
Filter to “Off ”.
1.
LOOSEN TERMINALS
2.
INSERT BARE END;
TIGHTEN TERMINALS
BLACK =
–
NO STRIPE = –STRIPE =
RED =
+
+
4
INTERLUDE IL100S,IL120S
Power On
Plug your subwoofer’sAC cord into a wall outlet.Do not use the
outlets on the back of the receiver.
Initially set the subwoofer’s Level Control Mto the “O”position.
Turn on your sub by pressing the power button 8 on the rear
panel.
Turn on your entire audio system and start a CD or movie sound-
track at a moderate level.
Adjust Gain
Turn your subwoofer’s Level Control Mup to the “5”position
(half way).If no sound emanates from the subwoofer,check the
AC-line cord and input cables.Are the connectors on the cables
making proper contact? Is the AC plug connected to a “live”
receptacle? Has the power button 8been pressed to the “On”
position? (Note:The Level Control on the front panel will turn
green when the power is on.) Once you have confirmed that the
subwoofer is active,proceed by playing a CD,record or cassette.
Use a selection that has ample bass information.
Set the overall volume control of the preamplifier or stereo to a
comfortable level.Adjust the subwoofer’s Level Control Muntil
you obtain a pleasing blend of bass.Bass response should not
overpower the room but rather be adjusted so there is a
harmonious blend across the entire musical range.Many users
have a tendency to set the subwoofer volume too loud,
adhering to the belief that a subwoofer is there to produce lots
of bass.This is not entirely true.A subwoofer is there to enhance
bass,extending the response of the entire system so the bass
can be felt as well as heard.However,overall balance must
be maintained or the music will not sound natural.An
experienced listener will set the volume of the subwoofer so
its impact on bass response is always there but never obtrusive.
Crossover Adjustments
Low-Pass Frequency Adjustment Control 4 – The Low-Pass
Control determines the highest frequency at which the subwoofer
reproduces sounds.If your main speakers can comfortably
OPERATION
reproducesome low-frequency sounds,set this control to a
lower frequency setting,between 50Hz – 100Hz.This will
concentrate the subwoofer’s efforts on the ultradeep bass
sounds required by today’s films and music.If you are using
smaller bookshelf speakers that do not extend to the lower bass
frequencies,set the Low-Pass Frequency Adjustment Control t o a
higher setting,between 120Hz – 150Hz.
Note: This control will have no effect if the Low-Pass Filter
Switch 5 is set to “Off.”If you have a Dolby Digital or DTS
processor/receiver,the Low-Pass Frequency is set by the
processor/receiver.Consult your owner’s manual to learn how to
view or change this setting.
Phase Control
The Phase Switch 6 determines whether the subwoofer
speaker’s piston-like action moves in and out with the main
speakers,0˚,or opposite the main speakers,180˚. Proper phase
adjustment depends on several variables such as room size,
subwoofer placement and listener position.Adjust the phase
switch to maximize bass output at the listening position.
5
INTERLUDE IL100S,IL120S
Infinity’s Bass Optimization System is a simple-to-use,yet
sophisticated,low-frequency calibration system.Each Interlude
subwoofer contains a parametric equalizer that you can adjust
following the directions below.By following these instructions,
you can improve the sound of your system.
The Bass Optimization System Goal
It is a fact of audio that what we hear at low frequencies is
determined as much or more by the listening room than by the
loudspeaker itself.Placement of the loudspeakers and listeners
and the acoustical characteristics of the room surfaces are all
important determinants of bass quantity and quality.In most
practical situations,there is little that can be done about this,
except for patient trial-and-error repositioning of the
loudspeakers and listeners.Usually,the practical constraints of
a living space and the impracticality of massive acoustical
treatment mean that equalization is the only practical solution.
Professional sound engineers routinely employ sophisticated
measurement systems and equalizers to optimize speakers to the
installation. This was never practical for the home audiophile.
This is why the Bass Optimization System was created.It
enables you to identify the dominant low-frequency response
characteristic of your room.Once you know the problem,the
Bass Optimization System provides the tools needed to optimize
the low-frequency characteristics of the speakers to the room
they are in,exactly as the professional sound engineers do it.
Preparations
Before beginning the bass tests,please check the following:
• Make sure all three Bass Optimization System controls on the
subwoofer are turned fully clockwise.
• Make sure the loudness contour (if any) on your receiver/
processor/preamp is turned off.
• Set the tone controls (Bass and Treble) to their center or
flat positions.
• Bypass all surround and effects features of your receiver/
processor/preamp or set to Stereo Bypass.
• If you are using a multichannel surround processor or
receiver, make sure all bass-management features are properly
set. The Audio channels should all be set to “Small”or “HighPass”and the subwoofer set to “On.”
• Set the Bass Optimization System selector 9 to “On.”
For best results,it is recommended that all major furnishings
are in place and that all doors and windows in the listening
area are in their normal positions.That is,if you normally listen
to music with all doors closed,then this is how they should be
during this procedure.
BASS OPTIMIZA TION SYSTEM
™
To solve a problem,it helps to first identify whether you have one
and,if so, what it is.First,play a variety of music and films with
energetic bass sounds,like bass guitar,kick drum,keyboards,
etc.A kick drum should produce a tight “thump”, not a flabby
“boom.”Bass melody or harmony lines should have notes that are
about equally loud.If some notes disappear,or stand out
because they are consistently too loud,there is a problem.
Disappearing notes have to be handled by moving the listening
position,or the loudspeakers,to slightly different locations.
Often,but sadly not always,this will be enough.Excesses in bass
tend to be most annoying,and energetic resonances that cause
“boomy”or “lumpy”bass can be truly aggravating over a period
of time.Infinity’s Bass Optimization System can fix this.
So,the first step is to exercise your music collection,and listen
for low-frequency problems that crop up in several different
recordings.Something that only happens in one recording is
likely to be a problem in the recording – it happens! If you
identify something that is consistently wrong,select a record that
shows it very clearly,and put your CD/DVD player into a repeat
mode (A-B repeat is especially helpful,because you can isolate a
short musical passage).
Set the Bass Optimization System Bandwidth adjustment L to a
middle position (10 clicks from a fully clockwise position) and
set Level adjustment K for a –6dB (8 clicks from a fully
clockwise position).Then, while the music is playing, sit in your
favorite chair and have somebody else slowly adjust the
Frequency control J from fully clockwise to fully counterclockwise. At a certain frequency,you should hear the problem
lessen and the overall bass performance improve.When you are
satisfied that you have found the best frequency,have your
assistant vary the Level K slowly up and down until you have
maximized the improvement.If you have really keen ears,you can
also have the Bandwidth control Ladjusted for maximum
benefit.
While the Bass Optimization System allows the listener to finetune the bass response to sound best in a particular room,some
listeners don’t have the skill or desire to adjust their system by
ear.In order to facilitate quicker and more accurate results,
Infinity has developed an optional test and measurement kit that
allows the user to perform a series of measurements and aids
him/her in properly setting the Bass Optimization System
controls. With the addition of this kit, the Bass Optimization
System becomes truly room-adaptive. The kit consists of the
following:a test CD, a sound-level meter that is specifically
calibrated for low frequencies,and something we call a “Q-Finder,
”
a device to help find the width of the measured curve and,
finally,a measurement template.It works as follows.The listener
6
INTERLUDE IL100S,IL120S
plays the tones from the test CD and records the relative output
level of each test tone,using the sound-level meter, on the
provided measurement template.After all the tones are complete,
the template contains a response curve for the frequencies
below 100Hz. The user simply notes the frequency of the largest
bass peak,calculates the correct amount of attenuation,and
uses the
“Q-Finder
” to determine the width of the curve.These
three values are dialed into the Bass Optimization System
controls located on the speaker.The entire process takes less
than twenty minutes.
If your dealer does not stock the Bass Optimization System test
and measurement kit,you may purchase it directly from Infinity.
U.S.residents can visit our Web site at www.infinitysystems.com
or call 1-800-553-3332.Canadian residents should contact
their dealer or call 1-800-567-3275.
The enclosure may be cleaned using a soft cloth,dampened with
water only,to remove fingerprints or to wipe off dust.
The grille may be gently vacuumed.Stains may be removed with
an aerosol cleaner,following its instructions.Do not use any
solvents on the grille.
All wiring connections should be inspected and cleaned or
remade periodically.The frequency of maintenance depends on
the metals involved in the connections,atmospheric conditions,
and other factors,but once per year is the minimum.
If a problem occurs,make sure that all connections are properly
made and clean.If a problem exists in one loudspeaker,reverse
the connection wires to the left and right system.If the problem
remains in the same speaker,then the fault is with the loudspeaker.If the problem appears in the opposite speaker,the
cause is in another component or cable.In the event that your
Interlude loudspeaker system ever needs service,contact your
local Infinity dealer or Infinity directly at 1-800-553-3332 or
www.infinitysystems.com for a service center near you.
MAINTENANCE AND SERVICE
7
INTERLUDE IL100S,IL120S
IL100s IL120s
Frequency Response: 32Hz – 150Hz (±3dB) 28Hz – 150Hz (±3dB)
Maximum Amplifier Output: 250 watts 500 watts
(20Hz – 150Hz
with no more than 0.1% THD)
Crossover Frequencies: 50Hz – 150Hz,24dB/octave, 50Hz – 150Hz,24dB/octave,
continuously variable continuously variable
Driver: 10" C.M.M.D. 12" C.M.M.D.
Dimensions (H x W x D): 13-3/4" x 13-1/2" x 17" 17-1/2" x 17-1/4" x 19-3/4"
Weight: 32 lb (14.5kg) 45 lb (20.5kg)
Optional Accessory:
Bass Optimization
Test &Measurement Kit: Part Number:335852-002
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
© 2000 Infinity Systems,Inc.,250 Crossways Park Drive,Woodbury,NY 11797 USA (800) 553-3332 (USA only) www.infinitysystems.com
*Trademark of Dolby Laboratories.DTS is a registered trademark of Digital Theater Systems,Inc. Infinity is a registered trademark of Infinity Systems,Inc.Printed in USA 3/00 Part No.335839-001
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