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System 4200e High Performance Loudspeakers
Boundary Compensation
Use this switch
to adjust the lower frequency output of the
speaker to compensate for the typical
sound colorations caused by placing the
speaker close to a TV screen or building it
into a wall unit or cabinet. To set these con
-
trols, sit in the prime listening position and have someone switch between
the compensation choices, using well recorded dialogue or musical instru
-
ment recordings. Choose whichever switch position sounds most natural
and real to you.
NOTE:
Although these controls have been designed to compensate
for various acoustic room anomalies, we recommend that you try
them to hear the difference that they make in the sound of the sys
-
tem. For any number of reasons, you may decide that you prefer them
set in a particular manner inconsistent with your room’s acoustics,but
which sounds best to you. Experiment. It will be worth it.
Dipole/Bipole Operation of the SR Speakers
In Dipole mode the 4200e SR’s
produce ambience with mini
-
mal localization (best for most
movies and video soundtracks),
and more localizable sound
in the Bipole mode (preferred
for some music recordings).
Switching between Dipole and
Bipole mode is easily accomplished using a toggle switch conveniently
located under one of the speaker’s grilles. Please note that the vast majority
of the time in movies and TV broadcasts the surround speakers are called
upon to reproduce the environmental sounds that are used as cues to help
get you immersed in the scene on the screen. Once the surround speakers
are properly positioned in the listening area, we recommend that you begin
with the dipole mode, as this usually delivers the most involving and believ
-
able surround performance in most situations. However, as noted above, feel
free to experiment with both switch positions.
INPUT
BOUNDARY
ON
THX / NORMAL
- +
Manufactured under licensefrom THX Ltd. THX, THX Ultra2and
THX Select areregistered trademarks of THX Ltd.
HF ENERGY
- REVERBERANT
+ DAMPED ROOM
0 THX / AVERAGE
System Setup
System Setup
Bass Management
Some older surround sound decoders and receivers offer a choice of “Nor-
mal” or “Wide-band” modes for the center channel speaker. The Model
4200e C is designed to be used in the Normal mode. Additionally, digital
processing multi-channel systems provide a Bass Management menu, which
typically requires you to select between “Small” or “Large” speakers during
system set-up. Since these systems have been designed to work with a dedi
-
cated subwoofer, please set all the speakers in System 4200e to Small.
INPUT
BOUNDARY
ON
THX/NORMAL
- +
ManufacturedunderlicensefromTHXLtd.THX,THXUltra2and
THXSelectareregisteredtrademarksofTHXLtd.
HF ENERGY
- REVERBERANT
+ DAMPEDROOM
0 THX/AVERAGE
Operation of the Rear Panel Controls
on the LCR Speakers
High Frequency Energy
This control
changes the tilt or roll-off slope of the
tweeter. It has been designed to help com
-
pensate for different room acoustics. The
THX/ Average position is intended for
rooms with a reasonable combination of
reflective (hard) and absorptive (soft) surfaces. The Reverberant position
is designed for rooms with an abundance of reflective surfaces like hard
-
wood or tile floors, glass walls, etc. It decreases the high frequency output
of the speaker to reduce excess HF energy that builds up in live rooms. The
Damped position brings the tweeter’s output slightly above flat response to
compensate for overly absorbent rooms with lots of soft surfaces. Speak
-
ers in overly damped rooms can sound dead and lifeless unless compen
-
sated.
INPUT
BOUNDARY
ON
THX / NORMAL
- +
Manufactured under licensefrom THX Ltd. THX, THX Ultra2and
THX Select areregistered trademarks of THX Ltd.
HF ENERGY
- REVERBERANT
+ DAMPED ROOM
0 THX / AVERAGE
DIPOLEBIPOLE
Figure 4