Cat. No. 40-1019
PRO-CSW1200 12 Car Subwoofer
"
Your RadioShack PRO-CSW1200 12" Car Subwoofer
ENCLOSURE SIZES
lets you increase the bass response of your vehicle’s
sound system. When mounted inside an enclosure, your
sub-woofer’s high-output, low-distortion design provides
quality, bass sound reproduction. The subwoofer’s long-
travel voice coil lets it handle high input power with ease.
After you choose an enclosure type for your subwoofer,
for the best results, build the enclosure to the dimensions
recommended in this section.
Acoustic Suspension (sealed)
C
A
B
A
C
B
Note: To connect the subwoofer to your stereo amplifier’s
wires, you need 2 banana plugs such as Cat. No. 278-
306 (not supplied).
15 × 15 × 131/2 Inches (HWD)
1.25 Cubic Feet
A (2) — 15" × 15" (one with 111/16" diameter cutout)
B (2) — 15" × 12" HW
C (2) — 131/2" × 12" HW
CHOOSING AN ENCLOSURE
F3: 46 Hz
Ripple: 0.31 dB
To get the best performance from your subwoofer, you
must mount it inside an enclosure. An enclosure makes
your subwoofer more efficient and improves its sound
quality.
Excursion Limited Power Handling: 200 Watts
Ported Reflex (vented)
Some common enclosure designs are:
• Acoustic suspension (sealed)
• Ported reflex (vented)
A
C
B
• Single reflex bandpass (vented)
C
For more information about a single reflex bandpass en-
closure, see “Single Reflex Bandpass (vented)” on
Page 2.
A
B
To learn more about and build an acoustic suspension or
ported reflex enclosure, we recommend you use the book
Building Speaker Systems (Cat. No. 62-1087A, available
at your local RadioShack store) along with this Owner’s
Manual. That book has complete information about build-
ing enclosures, including obtaining construction materi-
als, and design and construction tips.
15 × 19 × 171/2 Inches (HWD)
2.25 Cubic Feet
A (2) — 15" × 19" (one with 111/16" and 4" diameter cutout)
B (2) — 15" × 161/2" HW
C (2) — 171/2" × 161/2" HW
Note: Check with RadioShack Unlimited for a pre-built
enclosure for this subwoofer.
Tuning Frequency: 36 Hz
F3: 38 Hz
Ripple: 2.0 dB
Excursion Limited Power Handling: 200 Watts
© 1998 Tandy Corporation.
All Rights Reserved.
RadioShack is a registered trademark used by Tandy Corporation.
FREQUENCY RESPONSE
97
94
91
88
85
82
79
76
73
70
100
30
40
50
60
70
80
90
20
Frequency (Hz)
1.25 Ft3 Acoustic Suspension
2.25 Ft3 Ported Reflex
2.5 Ft3 Single Reflex Bandpass (s=0.6
SPECIFICATIONS
Frequency Range .................................................................................................................................................. 31–150 Hz
Resonant Frequency .................................................................................................................................................. 31.3 Hz
Power Handling .................................................................................................................... 200 Watts RMS/400 Watts Max
Nominal Impedance ................................................................................................................................................... 4 Ohms
Piston Area ................................................................................................................................................. 82.5 In2, .0532 M2
Magnet Weight ............................................................................................................................................................... 28 oz
Flux Density ............................................................................................................................................................. 11.52 Tm
DC Voice Coil Resistance ..................................................................................................................................... 3.41 Ohms
Voice Coil Inductance ................................................................................................................................................. 2.2 mH
Total Q Factor ............................................................................................................................................................. .57 Qts
Electrical Q Factor ...................................................................................................................................................... .60 Qes
Mechanical Q Factor ............................................................................................................................................. 13.97 Qms
Equivalent Acoustic Volume .......................................................................................................................................3 .09 Ft3
Mechanical Suspension Compliance .................................................................................................................... .220 mm/N
Mechanical Mass of Cone Assembly and Free Air Load ............................................................................................ 118.0 g
Mechanical Mass of Cone Assembly only .................................................................................................................. 110.9 g
Peak to Peak (maximum) Linear Excursion ............................................................................................................... .7187 In
Sensitivity .................................................................................................................................... 89.0 dB (1 Watt @ 1 Meter)
Cone ................................................................................................................................ 12 inches, Wet Look Treated Fiber
Voice Coil ............................................................................................................................. 1.5 inches, Kapton MTB Former
Surround (material of construction) ............................................................................................................... Polyether Foam
Connectors .............................................................................................................................................. 5-Way, Gold-Plated
Mounting Cutout ................................................................................................................................................. 111/16 Inches
(28.01 cm)
Mounting Depth ..................................................................................................................................................... 55/8 Inches
(14.19 cm)
Specifications are typical; individual units might vary. Specifications are subject to change and improvement without notice.
3
Limited Ninety-Day Warranty
This product is warranted by RadioShack against manufacturing defects in material and workman-
ship under normal use for ninety (90) days 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 LIABIL-
ITY OR RESPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RE-
SPECT 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 WAR-
RANTY, INCLUDING, BUT NOT LIMITED TO, ANY DAMAGES RESULTING FROM INCONVE-
NIENCE, LOSS OF TIME, DATA, PROPERTY, REVENUE, OR PROFIT OR ANY INDIRECT,
SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, EVEN IF RadioShack HAS BEEN AD-
VISED OF THE POSSIBILITY OF SUCH DAMAGES.
Some states do not allow the limitations on how long an implied warranty lasts or the exclusion of in-
cidental 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, un-
less 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 prop-
erty 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, Dept. W, 100 Throckmorton St., Suite 600, Fort Worth, TX 76102
We Service What We Sell
3/97
RadioShack
A Division of Tandy Corporation
Fort Worth, Texas 76102
21A2652
4/98
Printed in the USA
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