Be He ard, Not Seen
P S B C u s t o m S o u n d I n - W a l l S p e a k e r S y s t e m
The CW260 is a high performance in-wall surround speaker and is the
fi rst design of its type. It is optimized to the task of being a surround
via having 2 (switchable) radiation patterns. These dual patterns
both give it a more diffuse soundfi eld than conventional systems, as
required for best surround sound. The CW260 has two wide range 2”
units cross fi ring at 90 degrees to each other (one 45 degrees left the
other 45 degrees right). The drive units are mounted on a contoured
mounting plate. These contours are essential in obtaining a smooth
response from the high frequency drive units and to allow their energy
to appropriately fi re away from the listening position.
A surround speaker creates a diffuse sound fi eld by bouncing much
of the sound energy off of the room’s surfaces while reducing the
energy that arrives at the listener’s ears directly. With the CW260 we
achieve that in two modes: Bipole and Dipole. Dipole operation puts
the two wide range units out of phase so that their energy cancels
on a plane bisecting the two units. If a listener is on or near that
plane he hears very little direct energy and the most diffuse sound
possible. Bipole operation is similar but the units are now connected
in phase. With a Bipole system diffuse sound is achieved by virtue
of the driver’s directivity and that the drivers are aimed away from the
listener. Adding the bipole mode gives a less extreme option and also
makes listener placement less critical. A design challenge, overcome
with the CW260 was to achieve a balanced power response with both
modes, as switching between the modes will strongly impact the total
radiated power in some frequency ranges. The crossover circuitry
contains response correction that is switched concurrently with the
bipole/dipole switching.
A 6 1⁄2” woofer augments the range of the dual 2” units. “Dog leg”
style mounting clips ensure quick and easy mounting.
The CW260 includes 2 switches. One is for the above mentioned
bipole/dipole mode. The second is for overall treble level, handy for
optimizing the system to differing room acoustics.
In-wall loudspeakers must deal with limited space within the confi nes
behind the wall. Wall cavities are not built to any standard volume
so open back in-wall speakers must work within a wide range of wall
cavity volumes. PSB accomplishes this by giving the woofers higher
mass and stiffness than with conventional “in room” enclosures.
Extensive simulations and testing have shown that our designs deliver
high-performance sound quality with a broad range of wall cavity
volumes. The CW260 can be used with the CWS8 subwoofer/CWA-1
subamplifi er combination.
The CW260 can be used as rear channel surrounds for all PSB
surround systems.
CW260 - 6.5” Surround Speaker System
CW260_data.indd 1 8/11/06 9:25:56 AM
• Highly diffuse radiation for best surround effect
• Switchable between Bipole and Dipole radiation patterns
• Three Driver, 2-way system with special wide range fl at
power response 2” units and 6 1⁄2” fi berglass textured
polypropylene woofer
• Performance Enclosure and new construction bracket
available
• Bipole/Dipole and Treble level switches allow for
response adjustments
Frequency Range (-6dB): 50-21,000Hz
Recommended Power: 20-100 Watts
Impedance (Nominal): 8 Ohms (3.5 Ohm min. in Dipole)
Sensitivity (2.83V @1m) 87dB SPL
Drivers: 6-1/2” Woofer
dual 2” wide range units
Overall Dimensions (W x H x D): 9-1/2 x 15-3/8 x 3-1/2”
Cut-out Dimensions (W x H): 8-1/2 x 14-3/8”
CW260 - 6.5” Surround Speaker System
w w w. p s b s p e a k e r s . c o m
1 8 8 8 7 7 2 0 0 0 0
• Bipole surround systems work well when
mounted high on the wall.
• For best Dipole response the system should
be placed near ear level on side walls,
perpendicular to prime listening areas.
• If the system is placed with its long
dimension horizontal (or in some ceiling
applications) the dual array should be
unscrewed and repositioned by 90 degrees.
• Make small exploratory hole and check for
obstructions in wall cavity before cutting
mounting hole.
• Mounting template provided.
• Lightly fi ll wall cavity with fi berglass 2 feet
above and below system. Use standard 4”
fi berglass split to half thickness. Use 1” thick
fi berglass behind system.
• Adjust electric screwdrivers to appropriate
torque. Tighten mounting screws fi rmly but
do not over tighten!
• Set Dipole/Bipole switch to appropriate
position
• Set Treble switch to positive (+) position if
listening position is distant from speakers.
Set Treble switch to negative (-) position if
listening position is close to speakers.
• See manual for more installation hints.
Installation Notes
PSB Sp eakers rese rves the ri ght to chan ge specific ations or fe atures with out notice.
© 2006 PSB Speake rs, a divis ion of Lenb rook Indust ries Limited .
PSB is a register ed trademar k of Lenbro ok Industri es Limited. Printed in Canada 08/0 6. All righ ts reserved .
No par t of this p ublication may be repr oduced, sto red or trans mitted in a ny form wha tsoever wit hout the wr itten permi ssion of PS B Speakers
873 CW 260 data.
To Reach US Customer Ser vice dial 1 888 772 0000 e xt 4445 or 4342
14-3/8"
364mm
15-3/8"
389mm
3-1/2"
89mm
9-1/2"
241mm
8-1/2"
216mm
CW260_data.indd 2 8/11/06 9:26:02 AM
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