40-4054.fm Page 1 Wednesday, August 11, 1999 9:39 AM
Cat. No. 40-4054
PRO SW-120 12-Inch 100-Watt Subwoofer
System
Your PRO SW-120 12-Inch 100-Watt
Subwoofer System is designed to add
the dramatic realism of solid bass re-
sponse (below 150 Hz) to many
speaker systems. The subwoofer sys-
tem’s bass reflex design provides
clean bass response in the crucial bot-
tom octave of the audible range.
coil. This lets you connect both ste-
reo channels to a single subwoofer
system.
While your PRO SW-120 can work
with most speaker systems, it is de-
signed to give the best results with
RadioShack PRO-X7s (Cat. No. 40-
2071), PRO-X77s (40-2077), or PRO
LX5 (Cat. No. 40-4061) speakers.
The subwoofer system’s effect is most
dramatic when it is combined with
mini-speakers. The mini-speakers re-
produce the high, mid-range, and up-
per bass frequencies, while the
subwoofer reproduces the low bass
frequencies. This results in height-
ened presence and clarity for the en-
tire audio range.
Because low frequencies are much
less directional than other sounds,
you can use a single subwoofer for
both stereo channels. You can put
the subwoofer almost anywhere in
your listening area. However, to sim-
plify connections, we recommend
you place the subwoofer between
the left and right front stereo speak-
ers.
The subwoofer has a front-firing 12-
inch driver with a dual 2-inch voice
© 1996 Tandy Corporation.
All Rights Reserved.
Optimus is a registered trademark used by Tandy Corporation.
RadioShack is a trademark used by Tandy Corporation.
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40-4054.fm Page 3 Wednesday, August 11, 1999 9:39 AM
MAINTENANCE
The following suggestions will help you care for the speaker system so you can en-
joy it for years.
Keep the subwoofer dry. If it gets wet, wipe it dry immediately. Liquids
might contain minerals that can corrode the electronic circuits.
Use and store the subwoofer only in normal temperature environ-
ments. Temperature extremes can shorten the life of electronic devic-
es and distort or melt plastic parts.
Wipe the subwoofer with a damp cloth occasionally to keep it looking
CLEANER
new. Do not use harsh chemicals, cleaning solvents, or strong deter-
gents to clean the subwoofer.
Caution: You might permanently damage your subwoofer by cleaning it with a vac-
uum cleaner. Use a feather duster or a very soft cloth instead.
Modifying or tampering with the subwoofer’s internal components can cause a mal-
function and might invalidate the subwoofer’s warranty. If your subwoofer is not
performing as it should, take it to your local RadioShack store for assistance.
3
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40-4054.fm Page 4 Wednesday, August 11, 1999 9:39 AM
SPECIFICATIONS
Frequency Response ...............................................................................45–150 Hz
Power Handling ..............................................................................100 Watts (RMS)
Maximum Power........................................................................................ 200 Watts
Efficiency (SPL) ..................................................................................... 84 dB ±2 dB
Dual Coil Impedance ..................................................................... 8 Ohms, Nominal
Speakers:
Woofer..................................................................................................... 12-inch
Voice Coil .................................................................................................. 2-inch
Enclosure............................................................................. Wood grain, Black Vinyl
Dimensions (HWD).................................................................153/4 145/8 123/4 In
¥
¥
(400 370 323 mm)
¥
¥
Weight ....................................................................................................... 28 lb 3 oz
(12.8 kg)
Specifications are typical; individual units might vary. Specifications are subject to
change and improvement without notice.
RadioShack Limited Warranty
This product is warranted against defects for 5 years from date of purchase from RadioShack
company-owned stores and authorized RadioShack franchisees and dealers. Within this
period, we will repair it without charge for parts and labor. Simply bring your RadioShack
sales slip as proof of purchase date to any RadioShack store. Warranty does not cover trans-
portation costs. Nor does it cover a product subjected to misuse or accidental damage.
EXCEPT AS PROVIDED HEREIN, RadioShack MAKES NO EXPRESS WARRANTIES AND
ANY IMPLIED WARRANTIES ARE LIMITED IN DURATION TO THE DURATION OF THE
WRITTEN LIMITED WARRANTIES CONTAINED HEREIN. Some states do not permit limita-
tion or exclusion of implied warranties; therefore, the aforesaid limitation(s) or exclusion(s) may
not apply to the purchaser.
This warranty gives you specific legal rights and you may also have other rights which vary from state to
state.
We Service What We Sell
10/95
RadioShack
A Division of Tandy Corporation
Fort Worth, Texas 76102
6A6
Printed in Malaysia
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