™
PRELUDE MTS CENTER
Owner’s Guide
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W
IRING THE YSTEM
S
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.
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.
Surround Modes...
Important!
When using the Prelude MTS Center in a Dolby* Digital or DTS®
home-theater system, make sure the receiver’s/processor’s center-
channel 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”.
Do not exceed the tilt range. Doing so may cause the speaker to fall
out of its stand.
TILT DOWN
(WHEN ON TOP OF
A LARGER TV)
NO TILT
TILT UP
(WHEN BELOW TV)
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.
DO NOT EXCEED MAXIMUM
DOWN-TILT (WHEN BOTTOM
OF GRILLE TOUCHES BUMPER)
DO NOT EXCEED MAXIMUM
UP-TILT (WHEN TOP OF
GRILLE IS LEVEL)
Important!
Do not reverse polarities (i.e., + to –, or – to +) when making
connections. Doing so will degrade the imaging and bass response of
the home-theater system.
FIGURE 3 The Prelude MTS center channel can be tilted up or
down in its stand.
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.
–
+
+
–
This example shows how to connect bare wires to the
FIGURE 4
terminals. Banana plugs may also be inserted directly into the rear of
the connector.
¡
™
Loosen the terminals.
Insert bare ends; tighten terminals.
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SPECIFICATIONS
Performance Data...
Frequency Response:
80 ~ 22,000Hz (±3dB)
100 ~ 20,000Hz (±1.5dB)
Impedance:
4 ohms (±1 ohm)
89dB
Sensitivity:
(2.83V @ 1m)
Recommended Amplifier 25 – 500 watts
Power Range:
2nd- and 3rd-Order
Harmonic Distortion:
<1%
(20Hz – 20kHz @ 95dB SPL)
Drive Units...
Low Frequency:
Mid Frequency:
High Frequency:
2 x 5-1/4" (133mm) C.M.M.D.™
drivers, magnetically shielded,
neodymium magnet
3-1/2" (89mm) C.M.M.D. drivers,
magnetically shielded,
neodymium magnet
1" (25mm) C.M.M.D. drivers,
elliptical waveguide,
magnetically shielded,
neodymium magnet
Crossover Frequencies: 300Hz, 2000Hz – 24dB/octave
Dimensions...
Width:
Height:
Depth:
Weight:
23" (584mm)
6-1/2" (165mm)
7-5/8" (194mm)
21-1/4 lb (9.65 kg)
Declaration of Conformity
We, Infinity Systems A/S
Kongevejen 194B
DK-3460 Birkerød
DENMARK
* Trademarks of Dolby Laboratories.
DTS is a registered trademark of
Digital Theater Systems, Inc.
declare in own responsibility, that the product described
in this owner’s manual is in compliance with technical
standards:
Infinity is a registered trademark of
Infinity Systems, Inc.
EN 50081-1:1992
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.
EN 50082-1:1992
Steen Michaelsen
Infinity Systems A/S
Birkerød. DENMARK. 9/99
A Harman International Company
© 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
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