Optimus 40 1029 Users Manual
2015-02-05
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40-1029.fm Page 1 Tuesday, August 10, 1999 1:32 PM Cat. No. 40-1029 Dual Voice Coil 12-Inch Subwoofer Your Optimus Dual Voice Coil 12Inch Subwoofer lets you increase the bass response of your home or car sound system. It is ideal for custom speaker or replacement use. Its unique dual-wound coil design lets you connect it in a variety of ways. Illus FEATURES 12-Inch Polypropylene-Coated Paper Woofer with 20-Ounce Barium-Ferrite Magnet — provides tight, floor-rumbling bass down to 30 Hz that you can feel as well as hear. MOUNTING 13/8-Inch, Dual-Wound, High-Temperature Copper Voice Coil — withstands high output from your amplifier and high temperature after extended play. Seal the mounting surface so air cannot leak around the subwoofer. You can install the subwoofer from the front or back of an enclosure so it is flush with the baffle’s surface. Extra-Long-Throw Voice Coil — delivers clean, solid bass sound. Illus 120 Watts Max Power Handling Capacity — provides excellent sound reproduction and up to 60 watts RMS per channel when connected to both channels of a stereo amplifier. For instructions on mounting and sealing the subwoofer, see our “Building Speaker Systems” book (RadioShack Cat. No. 62-1087, not supplied), available at your local RadioShack store. © 1998 Tandy Corporation. All Rights Reserved. Optimus and RadioShack are registered trademarks used by Tandy Corporation. 40-1029.fm Page 2 Tuesday, August 10, 1999 1:32 PM CONNECTIONS The subwoofer’s dual-wound coils have two sets of terminals so you can connect: • one subwoofer to both left and right stereo amplifier channels Connecting Two Subwoofers to a Stereo Amplifier Illus • two subwoofers, one to each stereo amplifier channel • one subwoofer to a monaural amplifier Cautions: • Be sure to match polarity (+ to + and – to –) between the subwoofer and the audio source. • When mounting the subwoofer in a vehicle, be sure all wiring is fully protected from sharp edges. Be sure the audio system is off when connecting any wires, and leave enough slack in the wires so they can reach the terminals easily. Connecting One Subwoofer to a Stereo Amplifier Illus 2 Connecting One Subwoofer to a Monaural Amplifier Illus 40-1029.fm Page 3 Tuesday, August 10, 1999 1:32 PM SPECIFICATIONS Nominal Impedance ...................................................................... 4 or 8 ohm ±20% Frequency Response .......................................................................... 30 Hz–5 kHz Free Air Resonance (Fs) Frequency .............................................................. 34 Hz Infinite Baffle Resonance Frequency ............................................................. 31 Hz Piston Area (SD) ..................................................................................... 0.0553 m2 Maximum Power ............................................................................................ 120 W Power Handling ....................................................................................... 60W RMS Flux Density (BL) ............................................................................................... 7.41 DC Voice Coil Resistance (RE, ohms) ...................................... 3.4 ohms/6.8 ohms Voice Coil Inductance (LVC at 1 kHz) ................................................ 0.22/0.84 mH SPL ....................................................................................... 85 or 88 ±3 db/1W/1m Moving Mass (Mms) ..................................................................................... 52.21 g Electrical Q Factor (QES) .......................................................................... 3.09/1.55 Mechanical Q Factor (QMS) .............................................................................. 5.03 Total Q Factor ............................................................................................ 1.89/1.18 Equivalent Acoustic Volume (VAS) ............................................................... 163.5 L Mechanical Suspension Compliance (CMS, UM/N) .............................. 413.2 UM/N Mechanical Mass of Cone Assembly and Free Air Load ................. 1.8 oz (52.21 g) Mechanical Mass of Cone Assembly Only ...................................... 1.4 oz (39.62 g) Peak-to-Peak (Maximum) Linear Excursion .............................. 5/32 Inch (4.00 mm) Cutout ..................................................................................1029/32 Inches (27.7 cm) Depth ..................................................................................... 51/32 Inches (12.8 cm) Magnet Weight ................................................................................ 20 oz (567 gm) Speaker Weight ............................................................................. 63 oz (1.786 kg) Specifications are typical; individual units might vary. Specifications are subject to change and improvement without notice. 3 40-1029.fm Page 4 Tuesday, August 10, 1999 1:32 PM Limited Ninety-Day Warranty This product is warranted by RadioShack against manufacturing defects in material and workmanship under normal use for ninety (90) days from the date of purchase from RadioShack companyowned 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 the limitations on how long an implied warranty lasts or the exclusion 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, 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 8A8N Printed in China
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