Tandy Home Theater System 40 1221 User Manual

Cat. No.  
40-1221  
Bullet Horn Tweeter  
Connect speaker wire from your audio system’s matching  
negative output to the tweeter’s unmarked negative (–)  
terminal.  
(illus -- photo of product)  
(illus -- simple connection diagram)  
Your Optimus Bullet Horn Tweeter features a high quality  
piezo ceramic disc drive bimorph driver element. This ce-  
ramic driver replaces the traditional voice coil and mag-  
netic structure, completely eliminating the most common  
causes of magnetic tweeter failure — distortion due to  
mechanical interference (such as dirt on the voice coil)  
and the voice coil interfering with the magnetic structure.  
Cautions:  
• Be sure all wiring is fully protected from sharp edges.  
• Be sure the audio system is off when connecting any  
wires.  
• Leave enough slack in the wires so they can reach  
the terminals easily.  
The tweeter requires no crossover network (crossover is  
optional) and no specific baffling, and can be used on  
most 4-, 8-, and 16- ohm speakers.  
MOUNTING  
WIRING  
If you decide to mount the tweeter inside an enclosure,  
temporarily disconnect the tweeter while you mount it.  
Wire the tweeter to your audio system, then test the con-  
nections.  
If necessary, cut a hole in the enclosure 31/2 inches in di-  
ameter to accommodate the tweeter.  
Connect speaker wire from one of your audio system’s  
positive outputs to the tweeter’s positive (+) terminal.  
3
You need four /16-inch screws and four matching nuts  
(not supplied) to mount the tweeter inside an enclosure.  
Mount the tweeter from the outside, so its front edge is  
flush with the front of the mounting surface for proper  
sound dispersion.  
© 1997 Tandy Corporation.  
All Rights Reserved.  
Optimus is a registered trademark used by Tandy Corporation.  
RadioShack is a trademark used by Tandy Corporation.  
 
FREQUENCY RESPONSE  
(illus -- frequency response curve)  
3
 
RadioShack Limited Warranty  
This product is warranted against defects for 1 year from date of purchase from  
RadioShack company-owned stores and authorized RadioShack franchisees and deal-  
ers. 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. War-  
ranty does not cover transportation costs. Nor does it cover a product subjected to mis-  
use 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 limitation or exclusion of implied warranties; therefore, the aforesaid limita-  
tion(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  
1/97  
Printed in the USA  
 

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