Rca Pro Sw220P Users Manual

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PRO-SW220P 200-Watt-Powered Subwoofer
Your RCA PRO-SW220P 200-Watt
Powered Subwoofer is designed to give
you the best possible low frequency sound
for the ultimate home theater experience.
You will be astonished by the realism it
adds to movie sound effects and the power
it lends to all kinds of music.
The subwoofer combines the power of a
built-in 200-watt RMS amplifier with a
responsive, 12-inch coated paper cone
woofer — all housed in a ported bassreflex enclosure to produce tight, floorrumbling powerful bass (down to 36 Hz)
that you can feel as well as hear. The
power indicator lets you know when the
subwoofer is operating.
Your subwoofer has an adjustable high cut
filter and high and low level inputs so it is
easily incorporated into existing systems,
or used as an integral part of a subwoofer/
satellite combination.
Its other features include:
Auto On/Off — automatically switches
the PRO-SW220P’s amplifier to standby if
the subwoofer does not receive a signal for
about 11 minutes.
Standby Indicator — power indicator
changes color when the subwoofer is
connected to power but not receiving a
signal.

Note: You need speaker wire (not
supplied) to connect the subwoofer to an
amplifier or receiver’s speaker outputs.
High Level Output — lets you connect
the subwoofer between an amplifier or
receiver (without line out terminals) and
other speakers.
Low Level Input — lets you connect the
subwoofer to an amplifier’s or receiver’s
subwoofer out or pre out jacks. These
inputs automatically sum left and right
channel information.
Note: You need phono cables (not
supplied) to connect the subwoofer to an
amplifier or receiver’s subwoofer out or
pre out jacks.
Volume Control — lets you match the
PRO-SW220P’s output level to your
satellite speakers’ output (if used).
Phase (Polarity) Switch — Inverts the
subwoofer’s output polarity so you can set
it to match the main speakers.
Frequency Hz Control — lets you set the
high frequency cutoff point. Rotated fully
clockwise, the subwoofer cuts high
frequencies over 200 Hz. Rotated fully
counterclockwise, it cuts high frequencies
over 50 Hz.

High-Level Input — lets you connect the
subwoofer to an amplifier’s or receiver’s
speaker outputs.
© 2001 RadioShack Corporation.
All Rights Reserved.

SAFETY INSTRUCTIONS
WARNING: To reduce the risk of fire or
shock hazard, do not expose this product to
rain or moisture.

• Never open the cabinet or remove the
metal control panel, as this might
result in electrical shock or damage to
the unit.

CAUTION

• If your PRO-SW220P needs servicing,
contact your local RadioShack store.

RISK OF ELECTRIC SHOCK.
DO NOT OPEN.

!

CAUTION: TO REDUCE THE RISK OF

• To prevent electrical shock, do not use
a polarized plug with any extension
cord or outlet unless the blades can be
fully inserted to prevent blade
exposure.

ELECTRIC SHOCK, DO NOT REMOVE
COVER OR BACK. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.

• Unplug the PRO-SW220P power cord
from the electrical outlet if it will not
be used for a long time.

This symbol is intended to alert
you to the presence of uninsulated dangerous voltage within
the product’s enclosure that
might be of sufficient magnitude
to constitute a risk of electric
shock. Do not open the product’s
case.

!

• Only connect this unit to a power
supply of the type described in the
owner’s manual or marked on the
unit.
• Route the power-supply cord so it is
not likely to be walked on or pinched
by items placed upon or against it,
especially at the plug, the outlet, and
the point where the cord exits the
unit.

This symbol is intended to
inform you that important operating and maintenance instructions are included in the
literature accompanying this
product.

• Placing the subwoofer on the same
stand or shelf as your turntable can
result in a low-frequency rumble or
acoustic feedback.
Cautions:
• To prevent fire or shock, do not
expose this subwoofer to rain or
moisture.
• Do not place the subwoofer with its
metal plate against the floor.
• Place the subwoofer away from heat
sources such as radiators, stoves, or
other appliances that produce heat.
2

CHOOSING A LOCATION

you place the PRO-SW220P at least 4
inches away from the wall, and at least 2–3
feet away from your television or
computer’s disk drive system so the
subwoofer’s magnet will not distort the
colors of your TV picture or erase your
floppy disks.

Cautions:
• To prevent the cabinet from warping
or discoloring, do not place the
subwoofer in a place where it is
exposed to direct sunlight or excessive
humidity.

ATTACHING FEET
EET

• Do not place the subwoofer where it
might be knocked over or exposed to
falling objects.

Using the supplied screws, secure the four
protective feet (packed separately) into the
pre-drilled holes at each corner of the
cabinet’s bottom.

• The metal control panel on the back
of the PRO-SW220P acts as the heat
sink for the subwoofer’s internal
amplifier. Therefore, place the unit at
least 4 inches (10 cm) away from a
wall, and do not let anything come
into contact with this panel.

CONNE
NNECTING TO AN
AMPLIFIER

Where and how you position your
subwoofer greatly affects its bass response.
Adjusting the subwoofer’s volume control
in relation to the left and right speakers
and adjusting the subwoofer’s high cut
filter also affects your speakers’ overall
sound.

You can connect your PRO-SW220P to an
amplifier/receiver’s subwoofer out or pre
out jacks or speaker terminals.
Note: You can connect your PROSW220P to your TV if it has variable line
out jacks.

Although low frequencies are nondirectional, factors such as room
reflections, standing waves, resonance,
and absorption strongly affect your
subwoofer’s performance. For maximum
bass output, place your subwoofer in a
corner. To reduce output, move it away
from corners and back walls. Even slightly
moving the subwoofer can have a major
effect on bass response.

Caution: To avoid any damage to the
subwoofer or amplifier, disconnect power
from your components before making any
connections.

Connecting to
to Subwoof
oofer Out
Out
or Pre Out Terminals
als
Use this connection if your amplifier/
receiver has jacks labeled SUBWOOFER
OUT or PRE OUT. Do not use the PRE
OUT jacks if they are already connected by
cables or jumpers to your amplifier.

We recommend that you test the
subwoofer in different locations to
determine where the best balance is
between your satellite speakers (if used)
and subwoofer. We also recommend that
3

1. Connect the PRO-SW220P’s LOW
LEVEL INPUT jacks to the amplifier/
receiver’s line sub out or pre out jacks
(or TV’s audio line out jacks).

HIGH LEVEL INPUT speaker terminals. Be

sure to connect the terminals in phase,
connecting positive (+) to positive and
negative (–) to negative. Wiring the
subwoofer with + to – causes reduced bass
performance. To match the subwoofer’s
polarity with your system’s polarity and
receive full bass response, slide the
PHASE switch to REV or NOM. Choose
the setting that provides the greatest bass
output.

2. Connect your satellite speakers (if
any) to the amplifier’s or receiver’s
output terminals as they would
normally be connected.

Notes:
• On some receivers/amplifiers, the
subwoofer out is a single jack. Use a
single phono cable (not supplied) to
connect the subwoofer jack to the L
input on the PRO-SW220P.

Connecting Speaker
eakers
You can connect your left and right
speakers to your amplifier/receiver (as
shown in “Connecting to Subwoofer Out
or Pre Out Terminals”), or to the PROSW-220P’s HIGH LEVEL OUTPUT
speaker terminals (as shown above).

• When connecting to a TV, we
recommend using variable line output
jacks, which will allow the PROSW220P’s volume to change with the
TV’s volume. Refer to your TV owner’s
manual. Also, you can connect to the
TV line out and then adjust the TV
volume up or down. If the subwoofer
volume changes with the TV volume,
then the TV line out is variable.

Note: The High Level Output is a passthrough, and only works when using a
High Level Input.
However, if you use MEGACABLE or
any other high-quality, low-gauge speaker
wire, the terminals will be too small to
accommodate the wires.

Connecting to Speak
eaker
Terminals
Connect the amplifier/receiver’s speaker
output terminals to the PRO-SW220P’s
4

You need two pairs of speaker pins
(available at your local RadioShack store)
to make the connection.

receive a signal for about 11 minutes the
STANDBY indicator lights red.

Follow these steps to connect the wires to
each terminal using speaker pins.
1. Separate the conductors for a length
of about 2 inches on the end of each
wire. Then strip 1/2 inch of insulation
from the ends of each conductor and
twist the wire ends.
2. Position each wire end between the
open barrel ends of the speaker pin.
To PRO-SW220P

ADJUSTING THE VOLUME
Once you have made all connections,
follow these steps to adjust the PROSW220P’s volume.
1. Rotate VOLUME CONTROL to MIN.

From Left or Right Speaker

2. Turn on your amplifier/receiver and
another component (such as a radio,
cassette player, CD player, or
turntable).

3. Using a pair of pliers, crimp the open
barrel ends of the speaker pin to hold
the wire ends in place.

3. Begin playing an audio source (such
as a radio) and adjust the amplifier/
speaker’s overall volume to a
comfortable level. Rotate VOLUME
CONTROL on the PRO-SW220P
clockwise a little at a time, until you
achieve a pleasing balance of bass
between the PRO-SW220P and the
main speakers (and satellite speakers,
if used). Bass output should not
overpower the main speakers, but
should blend across the entire musical
range.

4. Plug the speaker pin into the proper
terminal on the PRO-SW220P.

CONNE
NNECTING TO POWER
Plug the PRO-SW220P’s AC power cord
into an AC outlet.The STANDBY indicator
lights green. If the subwoofer does not

5

Care an
and Maintenance

Once you have adjusted the PROSW220P’s VOLUME CONTROL, use the
amplifier/receiver’s volume control to
control the speakers’ volume.

Keep the PRO-SW220P dry; if it gets wet,
wipe it dry immediately. Use and store the
PRO-SW220P only in normal temperature
environments. Handle the PRO-SW220P
carefully; do not drop it. Keep the PROSW220P away from dust and dirt, and
wipe it with a damp cloth occasionally to
keep it looking new.

ADJUSTING THE HIGH CUT
FREQUENCY
FREQUENCY HZ adjusts the level
(between 50 Hz and 200 Hz) at which the
subwoofer begins passing frequencies to
other speakers. This control’s setting
depends on the low frequency capabilities
of your satellite speakers (if used), speaker
placement, and other factors that affect
bass performance.

Modifying or tampering with the PROSW220P’s internal components can cause
a malfunction and might invalidate its
warranty.
Caution: You might permanently damage
your speakers by cleaning them with a
vacuum cleaner. Use a feather duster or a
soft loose cloth instead.

While playing music, rotate FREQUENCY
HZ clockwise until the music sounds too
bass-heavy. Then rotate it
counterclockwise until the bass sounds
more natural.

This subwoofer has been manufactured to
the specifications of RadioShack and is
covered by a limited warranty from
RadioShack. If your subwoofer is not
operating as it should, take it to your local
RadioShack store or call 1-800-THESHACK for assistance.

If the mid-bass sounds natural but you
want more low bass, rotate FREQUENCY
HZ counterclockwise a little, then rotate
the subwoofer’s VOLUME CONTROL
clockwise by about the same amount. This
increases low-bass output without
affecting the mid-bass output.
To reduce low-bass output without
affecting the mid-bass output, equally
rotate FREQUENCY HZ clockwise and the
subwoofer’s VOLUME CONTROL
counterclockwise.

6

SPECIFICATIONS
Amplifier Output ....................................................... 200W RMS (4 Ohms @ 10% THD)
Amplifier Output .......................................................... 180W RMS (4 Ohms @ 1% THD)
Crossover ................................................................................ 50 Hz–200 Hz Adjustable
Frequency Response ................................................................................. 36 Hz–200 Hz
Power Voltage ........................................................................................ AC 120 V/60 Hz
Power Consumption .............................................................................................. 120W
Dimensions (HWD) ....................................... 16 x 16 x 16 Inches (407 x 407 x 407 mm)
(with feet and grill attached) ............ 1713/16 x 16 x 195/8 Inches (431.8 x 407 x 482.6 mm)
Weight ................................................................................................. 45 lb (20.412 kg)
Specifications are typical; individual units might vary. Specifications are subject to change
and improvement without notice.

7

Limited One-Year Warranty
This product is warranted by RadioShack against manufacturing defects in material and workmanship under normal use for one (1) year from the date of purchase from RadioShack company-owned
stores and authorized RadioShack franchisees and dealers. EXCEPT AS PROVIDED HEREIN, RadioShack MAKES NO EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES, INCLUDING
THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED
IN DURATION TO THE DURATION OF THE WRITTEN LIMITED WARRANTIES CONTAINED
HEREIN. EXCEPT AS PROVIDED HEREIN, RadioShack SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RESPECT TO ANY
LIABILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE OR PERFORMANCE OF THE PRODUCT OR ARISING OUT OF ANY BREACH OF THIS WARRANTY, INCLUDING, BUT NOT LIMITED TO, ANY DAMAGES RESULTING FROM INCONVENIENCE, LOSS
OF TIME, DATA, PROPERTY, REVENUE, OR PROFIT OR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, EVEN IF RadioShack HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages, so the above limitations or exclusions may not apply to
you.
In the event of a product defect during the warranty period, take the product and the RadioShack
sales receipt as proof of purchase date to any RadioShack store. RadioShack will, at its option, unless otherwise provided by law: (a) correct the defect by product repair without charge for parts and
labor; (b) replace the product with one of the same or similar design; or (c) refund the purchase
price. All replaced parts and products, and products on which a refund is made, become the property of RadioShack. New or reconditioned parts and products may be used in the performance of
warranty service. Repaired or replaced parts and products are warranted for the remainder of the
original warranty period. You will be charged for repair or replacement of the product made after the
expiration of the warranty period.
This warranty does not cover: (a) damage or failure caused by or attributable to acts of God, abuse,
accident, misuse, improper or abnormal usage, failure to follow instructions, improper installation or
maintenance, alteration, lightning or other incidence of excess voltage or current; (b) any repairs
other than those provided by a RadioShack Authorized Service Facility; (c) consumables such as
fuses or batteries; (d) cosmetic damage; (e) transportation, shipping or insurance costs; or (f) costs
of product removal, installation, set-up service adjustment or reinstallation.
This warranty gives you specific legal rights, and you may also have other rights which vary from
state to state.
RadioShack Customer Relations, 200 Taylor Street, 6th Floor, Fort Worth, TX 76102

We Service What We Sell

12/99

RadioShack
A Division of RadioShack Corporation
Fort Worth, Texas 76102
40-5031
03/2001

Printed in USA



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