Owner’s Guide
PRELUDE™MTS CENTER
The Infinity Prelude MTS center- channel loudspeaker is designed to
perfectly complement the Prelude MTS loudspeaker system.It uses identical drivers to provide exceptional dialogue reproduction and a seamless
transition between the front channels.The horizontal design allows for
maximum placement flexibility.
About This Guide...
Please read this guide completely before connecting and operating the
Prelude MTS center-channel speaker.Maximum performance is dependent
upon following these instructions,as well as those listed in the owner’s
manuals of associated components in your home-theater system.Save these
instructions for future reference.
Unpacking the Speaker...
Finish unpacking the speaker and check the contents.If you suspect damage
from transit,report it immediately to your dealer and/or delivery service.
Keep the shipping carton and packing materials for future use.
Contents...
Please verify that the package contains the following items:
(1) Prelude MTS center-channel speaker
(1) Speaker stand
Owner’s Guide and Warranty Sheet
Care of Your Speaker System...
When needed,use a soft cloth,dampened with water only,to
remove any fingerprints or to wipe off dust.Do not use any
cleaning products or polishes.Clean the grille by gentle vacuuming.
P
LACEMENT
For best results,place the Prelude MTS center- channel speaker on its
stand,either on top of or below the television. Tilt it down (or up) so the
front is aimed toward the listeners (see Figures 2 and 3).Also,position the
speaker so the front grille is even with the TV screen,as shown in Figure 1.
SOFA
PRELUDE MTS
TOWER
(LEFT SURROUND)
PRELUDE MTS
TOWER
(RIGHT SURROUND)
PRELUDE MTS
CENTER CHANNEL
ON TOP OF TV
PRELUDE MTS
(LEFT CHANNEL)
PRELUDE MTS
(RIGHT CHANNEL)
This overhead view shows a typical home-theater plan.
FIGURE 1
FIGURE 2
This example shows the Prelude MTS center-channel
speaker being placed on top of a television.The speaker can also be placed
below the television and tilted up (see Figure 3).
TV
STAND
FIGURE 3
The Prelude MTS center channel can be tilted up or
down in its stand.
TILT DOWN
(WHEN ON TOP OF
A LARGER TV)
DO NOT EXCEED MAXIMUM
DOWN-TILT (WHEN BOTTOM
OF GRILLE TOUCHES BUMPER)
DO NOT EXCEED MAXIMUM
UP-TILT (WHEN TOP OF
GRILLE IS LEVEL)
TILT UP
(WHEN BELOW TV)
NO TILT
Tilting the Speaker...
If needed,the enclosed stand allows you to tilt the speaker across a
25-degree range (i.e.,18° maximum up and 7° maximum down),as
shown in Figure 3.
Important!
Do not exceed the tilt range.Doing so may cause the speaker to fall
out of its stand.
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.
– +
+
–
¡
Loosen the terminals.
™
Insert bare ends; tighten terminals.
W
IRING THESYSTEM
After placing the speaker,you are ready to connect it to your system.
First,turn off all audio-system power.Use high-quality speaker wire
to make the connections.Consult the owner’s manuals,included with
your amplifier or receiver,for connection and operation procedures.
Surround Modes...
When using the Prelude MTS Center in a Dolby* Digital or DTS
®
home-theater system,make sure the receiver’s/processor’s centerchannel speaker modes are set to “Small”. When using the Prelude
MTS Center in a Dolby Pro Logic* home-theater system,make sure
the receiver’s/ processor’s center-channel mode is set to “Normal”.
Wiring and Polarity...
The Prelude MTS Center speaker has gold-plated terminals that
can accept either bare wire or banana connectors.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 4.Connect the – (black) terminals in a similar way.See the
owner’s manuals that were included with your amplifier or receiver to
confirm connection procedures.
Important!
Do notreverse polarities (i.e.,+ to –,or –to +) when making
connections.Doing so will degrade the imaging and bass response of
the home-theater system.
After correctly placing and wiring the Prelude MTS Center and the
rest of your speaker system,adjust the levels for all of the channels
as recommended by the manufacturer of your receiver/processor.
© 1999 Infinity Systems,Inc.,250 Crossways Park Drive,Woodbury,NY 11797 USA (800) 553-3332 (USA only) www.infinitysystems.com Printed in USA 9/99 Part No.335060-003
A Harman International Company
Declaration of Conformity
We, Infinity Systems A/S
Kongevejen 194B
DK-3460 Birkerød
DENMARK
declare in own responsibility, that the product described
in this owner’s manual is in compliance with technical
standards:
EN 50081-1:1992
EN 50082-1:1992
Steen Michaelsen
Infinity Systems A/S
Birkerød.DENMARK.9/99
Performance Data...
Frequency Response: 80 ~ 22,000Hz (±3dB)
100 ~ 20,000Hz (±1.5dB)
Impedance: 4 ohms (±1 ohm)
Sensitivity: 89dB
(2.83V @ 1m)
Recommended Amplifier 25 – 500 watts
Power Range:
2nd- and 3rd-Order <1%
Harmonic Distortion:
(20Hz – 20kHz @ 95dB SPL)
Drive Units...
Low Frequency: 2 x 5-1/4" (133mm) C.M.M.D.™
drivers,magnetically shielded,
neodymium magnet
Mid Frequency: 3-1/2" (89mm) C.M.M.D.drivers,
magnetically shielded,
neodymium magnet
High Frequency: 1" (25mm) C.M.M.D.drivers,
elliptical waveguide,
magnetically shielded,
neodymium magnet
Crossover Frequencies:300Hz,2000Hz – 24dB/octave
Dimensions...
Width: 23" (584mm)
Height: 6-1/2" (165mm)
Depth: 7-5/8" (194mm)
Weight: 21-1/4 lb (9.65 kg)
S
PECIFICATIONS
* Trademarks of Dolby Laboratories.
DTS is a registered trademark of
Digital Theater Systems, Inc.
Infinity is a registered trademark of
Infinity Systems,Inc.
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.
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