Radio Shack Car Speaker PRO CSW1200 User Guide

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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