C Center Channel Speaker and SR Surround Speakers
Covers Compact Theater One LR Front Channel Speakers,
Owner’s Manual
System One
High Performance Compact
Home Theater Loudspeaker System
343 Vanderbilt Avenue Norwood, MA 02062 (781) 762-6300 www.atlantictechnology.com
Connecting Your System
System One
High Performance Compact
Home Theater Loudspeaker System
Thank you for choosing Compact Theater Series home theater
products. Your new speaker system is precision crafted to give you
years of enjoyable, trouble free service. This manual will show
you how to set up all the Compact Theater One System
components except the subwoofer. Compact Theater Series
Subwoofers are covered in detail in separate manuals. Compact
Theater System One has been optimized for use with all surround
formats including Dolby Surround®, Dolby Pro-Logic®, Dolby
Digital 5.1® and DTS®.
Compact Theater One LR Front
Channel Speaker
The Compact Theater One LR Front Channel Speakers are
two-way systems intended for use with a quality subwoofer. Each
speaker contains a precision 5-1/4" Poly composite woofer and a
3/4" Mylar tweeter, using a powerful neodymium magnet, in an
acoustically designed cabinet. The Theater One LR speakers are
magnetically shielded so they may be placed right next to a TV
set without concern.
We recommend that you connect your Compact Theater One
System with high quality dual conductor stranded wire of 18
gauge or larger, for lengths up to 25 feet. (Remember, the lower
the gauge number, the larger the wire). Use 16 gauge dual
conductor or larger for longer runs of wire. Contact your audio/
video dealer for specific cable recommendations and further
information for special circumstances.
You can connect your Compact Theater System speakers by using
a variety of audio connectors, or you can:
1. Remove 1/2" of insulation from each wire end.
2. Twist the stranded wire together, keeping the two ends
3. Place the appropriate wire through the appropriate
4. Screw down the thumbscrew tightly.
We recommend that you check your local electrical codes to make
sure that you are not using an improper connector.
Compact Theater One C Center
Channel Speaker
The Compact Theater One C Center Channel Speaker
contains a powerful 4" Poly composite cone woofer, 3/4" Mylar
tweeter, and a supplemental 4" passive radiator to enhance its
output and power capabilities. The Compact Theater One C is
designed for use in home theater systems that use a dedicated
center channel speaker. The Theater One C center speaker is
designed to be used in a horizontal position, as opposed to the
vertical positioning intended for the Compact Theater One LR.
one of the conductors of each pair is marked by a different color,
printing, ridges, or a thread intertwined with the wire strands.
By convention, the marked wire is connected to the red (+)
terminal.
Compact Theater One SR
Surround Speaker
The Compact Theater One SR Surround Speaker is intended
for use in audio/video sound systems with dedicated surround
channel speakers. Each speaker has the same driver compliment as
the Compact Theater LR speakers, without magnetic shielding.
It’s therefore important to use the Compact SR speakers only for
surround purposes in home theater applications. Simply check the
labels on the rear of the enclosure to be sure which speakers are
the LRs and which ones are the SRs.
Finally, check the polarity of your front speakers by listening to
some music. If the sound seems hollow, unusually spread out, or
has weak bass, recheck your connections for proper polarity and
reverse any out of phase connections, if necessary. Only one
speaker wired out of phase is usually the culprit.
Warning: To prevent risk of electrical shock or damage to your
equipment, always switch off the amplifier or receiver when making
connections to the speaker.
separate.
postholes in the connectors. These holes are revealed
when you loosen the connector thumbscrew.
It is important to observe polarity
while making speaker connections:
red (+) terminals on the amplifier
to red (+) on the speaker, black (–)
on the amplifier to black (–) on
the speaker. Look carefully at the
wires you are using and note that
Warning: Before turning on the amplifier, be certain that no stray
wire strands are touching across any two terminals as this might
damage your amplifier.
Important: Be sure to identify the surround speakers by checking
the label on the rear of the enclosures. Because the SRs are not
magnetically shielded, they should not be placed near a television set.
Center channel should be
within 2' of front speaker
tweeter height
2 feet above
ear level
Left surround
speaker
Ear level
Surround speaker
should be slightly behind
and above listening
position
Placement and Operation
Speaker/room interactions have a huge impact on the sound of
the system. Moving the speakers just a little bit can make a
dramatic difference in what you hear. The compact design of
Theater One’s components provides you with maximum
placement flexibility while creating a large, seamless, acoustically
accurate soundfield for your home theater or music system. The
best placement of the speakers will vary from room to room. Use
the following placement guidelines and the illustration above as a
starting point. But also feel free to experiment. In fact, it may be
beneficial to hook up the speakers with some extra wire and to
simply drape the wire across the floor before installing the
speakers permanently. This will allow you the opportunity to
move the speakers around easily so you can find the best sonic
and visual locations.
Home Theater
Please note that the primary goal of a good home theater is not
to make you believe that you are in a movie theater. It’s to make
you believe you are in the action occurring on the screen. For a
home theater system, place your Compact Theater One LR
speakers on either side of the television. The three front channel
speakers (Compact Theater One LRs and C) are magnetically
shielded so they will not interfere with your television picture.
The left front and right front speakers should be far enough apart
that you get a good stereo image, but not so far apart that the
sound seems to come directly from the speakers, distracting you
from the picture. You may chose to “toe” the LR speakers in,
aiming them at the prime listening position. This can be
particularly useful if the front LR speakers are fairly far apart.
The Compact One C should be placed directly above or below
your television. It is important that the speaker is centered on the
screen, not off to the side.
Right surround
speaker
Note: Some surround sound decoders and receivers offer a choice
of “Normal” / Small or “Wide-band / Large” modes for the center
channel. The Compact One C is designed to be used in the “Normal /
Small” mode. Additionally, some discrete digital home theater systems
allow you to select between “Small” and “Large” speakers throughout
the system. Since the Compact Theater One system has been designed
to work only with an active subwoofer, please set all the speaker
positions to “Small.”
Surround Effects
The Compact One SR’s size and shape allows greater flexibility in
placement than most conventional surround loudspeakers. Due
to their monopole design it’s preferable to locate the SR
Surround speakers behind the prime listening position, at least
2 feet above ear level when seated. The goal is to aim the front of
the speakers in such a way that their output is not directed right
at the listeners and therefore not easily localizable. For example,
placing them on the sides of the room, behind the listening
position and aimed across at each other, is a good starting point.
Note: The surround speakers are intended to re-create the ambient
sounds taking place in the movie scene. Throughout most of a movie or
TV program you may not be directly aware of the surround speakers
presence. It’s OK if you don’t seem to be hearing the surround
speakers directly. Try to avoid the trap of turning the surrounds up so
that you hear them all the time. The result will be a much less
believable surround sound experience. Remember that the signal they
receive is 99% subtle sounds that should make you believe you’re in
the action up on the screen.
Mounting
The Compact Theater One LR and SR speakers can be mounted
in a variety of ways:
On speaker stands Atlantic Technology speaker stands
provide an ideal height (29" above the floor) for most rooms.
They are available in black or white. Speaker stands from other
manufacturers may be used, but should be of approximately the
Important: Save Your Boxes! If you can do so, save the cartons,
packing pieces, and plastic bags that came with your speakers. They
will be useful in case you move or have to ship your loudspeakers for
any reason. In any case, save all packing materials until you are certain
that the systems have suffered no damage in shipment. If you find
such damage, either visible or internal, contact your dealer immediately
for the proper return procedure.
same height (29" to the base of the speaker). Threaded inserts on
the backs of the speakers allow for secure mounting on stands
designed for these types of connections.
On the wall To mount your speakers on a wall, we have installed
metal key-hole brackets on the back of the LR and SR speakers. Be
sure to use a strong screw whose head and shaft will fit within the
keyhole opening and slot. Also be sure to drive the screw well into
a stud or use a mounting device (such as a molly-bolt) that is
capable of holding the weight of the speaker. Never simply drive a
nail or screw into a sheet rock or other wall materials. Always
follow the above guidelines for safe speaker mounting.
The threaded 1/4" x 20 insert located on the back of the SR and
LR enclosures can also be used to mount the speakers to a wall
using any commonly available “ball joint” style mount that
includes 1/4" x 20 mounting hardware. Be sure to use a mount
Compact Theater System One
Specifications
Model System One LR Front Channel Speaker
Type Sealed-box, 2-way
Drivers 5-1/4” Poly Composite woofer
Frequency Response (±3dB) 85Hz – 20kHz
Nominal Impedance 8Ω
Crossover Frequency 4kHz
Sensitivity 88dB
Recommended Amplifier Power 10 – 100 Watts
Magnetic Shielding Yes
Size (W x H x D) 6-3/4” x 9-3/4” x 5-5/8”
Weight (ea., unpacked) 6.5lbs; 2.94kg
Model System One C Center Channel Speaker
Type 2-way
Drivers 4” Poly Composite Woofer
that will hold the weight of the speaker and follow all the
manufacturer’s directions concerning appropriate hardware and
mounting methods.
IMPORTANT! – Listening Levels
and Power Handling
The power recommendation for these speakers assumes that you
will not operate your amplifier/receiver in a way that produces
high levels of distortion. A moderately powered amplifier driven
beyond its intended capacity can and will damage even rugged
speakers like the Compact Theater One system. This type of
damage is easily identifiable through examination of the damaged
speaker’s voice coil and is not covered by the warranty.
The Compact Theater One System will play very loudly when
provided with enough clean power to do so. Again, consult your
dealer or Atlantic Technology for additional information.
Care and Feeding of Your Speakers
Clean your speaker cabinets using a soft cloth moistened with a
mild, non-abrasive glass cleaner being careful not to wet the edges
Frequency Response (±3dB) 100Hz – 20kHz
Nominal Impedance 8Ω
Crossover Frequency 3.5kHz
Sensitivity 88dB
Recommended Amplifier Power 10 – 100 Watts
Magnetic Shielding Yes
Size (W x H x D) 12-3/8” x 6” x 5-3/4”
Weight (ea., unpacked) 7lbs; 3.17kg
Model System One SR Surround Speaker
Type Sealed-box, surround speaker
Drivers 5-1/4” Poly Composite woofer
Frequency Response (±3dB) 100Hz – 20kHz
Nominal Impedance 8Ω
Crossover Frequency 4kHz
Sensitivity 88dB
Recommended Amplifier Power 10 – 100 Watts
Magnetic Shielding No
Size (W x H x D) 6-3/4” x 9-3/4” x 5-5/8”
Weight (ea., unpacked) 6.5lbs; 2.94kg
Specifications are those in effect at the time of printing. Atlantic Technology reserves
the right to change specifications or appearance at any time without notice.
Dolby Digital, AC-3, 5.1, Dolby Stereo and Dolby Pro Logic are trademarks of
Dolby Laboratories Licensing Corporation. DTS is a registered trademark of
DTS Technology.
of the cabinet. Also, be careful not to get any cleaning fluids on the
driver cones or domes. It may be best to dampen the cloth with the
cleaner and then wipe the speakers. Brush the non-removable
For Future Reference
Record your system serial number and date of purchase here:
grilles with a clean soft brush or a lint free cloth to clean them. Do
not use a vacuum, as the combination of hard vacuum attachments
Serial Number Date of Purchase
and suction are likely to cause damage to the drivers.
Avoid placing your speakers in direct sunlight or near a source of
heat that may, over time, damage the finish.
The serial number is found on the back of the center channel
speaker near the connecting terminals.
3/4” Mylar tweeter
4” Poly Composite Passive Radiator
3/4” Mylar Tweeter
3/4” Mylar Tweeter
010-1115
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