Bogen Car Speaker BDT30A User Manual

Bi-Directional Reentrant  
Horn Loudspeaker  
BDT30A Manual  
Speaker Assembly  
The bi-directional speaker must be assembled prior to installation. See Figure 3 on the back of this sheet for speaker assembly  
information. Make sure to place the washer/seals where indicated and hand tighten the various components - do not use pliers  
or similar tools.  
Speaker Installation  
Figure 1: Mounting Speaker Base  
STEP 1 - For easier installation, remove the flange (base) from the speak-  
er by unscrewing the wing nut while at the same time pressing inwardly on  
the wing nut. Place the flange flush with the mounting surface and mark the  
location of the three holes with either a marker or punch. It is important  
that the three holes be exactly aligned with the flange, otherwise you might  
stress the base or make the connection unsteady (see Figure 1).  
NOTE: Speaker may also be strap-mounted through the slot in flange (base)  
using standard 1/2-inch industrial strapping (not included).  
STEP 2 - After mounting the flange, reattach the speaker to the flange and  
aim the speaker for the desired coverage. A 45o downward angle is rec-  
ommended, but this may vary depending upon speaker layout. Unless oth-  
erwise indicated, do not aim speakers directly at each other or poor paging  
intelligibility may occur.  
Figure 2  
STEP 3 - Remove the plastic cover to make the electrical connection and  
set the tap set control (see Figure 2). Connect speaker wire shield to the  
ground (GND) terminal of the amplifier’s output. Carry the ground through  
all speaker cables by tying the shields of the speaker cables together in a  
“daisy chain” fashion. Do not connect the shield to the speaker itself.  
The shield is only connected at the amplifier end and simply floats.  
TAP SET  
CONTROL  
ELECTRICAL  
CONNECTION  
Connect wires as listed below:  
Watts (25V)  
Position  
Watts (70V)  
Amplifier Outputs Speaker Connections  
.25  
.5  
1
1.8  
3.7  
7.5  
15  
1
2
3
4
5
6
7
1.8  
3.7  
7.5  
15  
30  
*
70V/25V  
COM  
Terminal 1  
Terminal 2  
NOTE: The speaker will also work perfectly well with these connections reversed.  
However, reduced low frequency response may result.  
STEP 4 -Adjust the tap set control to the desired setting.See table at right  
for tap settings. Replace the plastic protective cover back over the exposed  
area.  
*
8
*
*
*Forbidden switch settings (see text)  
Frequency Response: 225Hz to 14kHz  
Dimensions: 16-1/2”W x 9-3/4”H (41.9 x 24.8 cm)  
Shipping Weight: 9 lbs.  
Finish: Textured Mocha Enamel  
Sound Pressure Level: 121dB @ four feet on axis with 30-watt input  
at 1000Hz each horn  
CAUTION  
Switch settings marked with an asterisk (*) must not be  
used. Failure to comply with these restrictions may cause  
damage to components and will void the warranty.  
Specifications subject to change without notice.  
© 2000 Bogen Communications Inc. All rights reserved.  
Part No. 54-5841-01r2 Printed in Korea 0003  
Page 1 of 2  
 

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