Bogen BDT30A User manual

Bi-Directional
Reentrant Horn
Loudspeaker
Model BDT30A
• Twin reentrant horns for bi-directional projection
• High intelligibility and efficiency
• Ideal for both one-way and talkback paging
applications
• Weatherproof
• Sturdy, all-metal construction
• 30 watts at 70V operation or 15 watts at 25V
operation
• Rotary tap impedance selector switch
• Screw terminals make installation fast and easy
• For indoor and outdoor use
• Uniquely designed all-purpose mounting bracket
for simple installation
• Self-aligning, field-replaceable diaphragm for easy
maintenance
Features
The BDT30A is a compact loudspeaker designed for one- or two-way sound and communication systems.
Ideal for use in industrial plants, warehouses, schools, construction sites, transportation terminals, and recre-
ational areas.
Speaker assembly required.
Description
Specifications subject to change without notice.
© 2006 Bogen Communications Inc. All rights reserved.
54-7761-02D 0703

Power Rating (RMS): 30 watts continuous; 40 watts equalized
Frequency Response: 225Hz to 14kHz
Impedance: 25/70 volts
Sound Pressure Level: 121dB @ four feet on axis with 30 watt
input @ 1000Hz, each horn
Dispersion: 100º each horn
Sensitivity as Microphone: -22dBm [Ref: 10 dynes/cm2]
Dimensions: 9-5/8" dia. (each horn) x 12-1/8" D
Shipping Weight: 8 lb. (3.6kg)
Finish: Textured mocha enamel
Impedance Selector Switch Settings: 25V @ 15, 7.5, 3.7, 1.8 watts
70V @ 30, 15, 7.5, 3.7, 1.8 watts
Sound Pressure Level in dB @ 1000Hz: Watts Feet on Axis
Input: 4 8 163264
30 — 121115109 103 97
15 — 118112106 100 94
7.5 — 115109 103 97 91
3.7 — 112106 100 94 88
1.8 — 109 103 97 9185
Technical
Specifications
The loudspeaker shall be a Bogen Model BDT30A,
or approved equivalent, reentrant horn type loud-
speaker. The frequency response shall be from
225Hz to 14kHz. Rated power output shall be 30
watts RMS continuous. Dispersion shall be 100º,
each horn. Sound pressure level, measured four feet
on axis with 30 watt input @ 1000Hz, shall be at
least 121dB for each horn.
The unit shall incorporate a seven-position weather-
sealed switch, to allow matching the loudspeaker to
a 25V or 70V constant-voltage line. Power handling
capacity shall be adjustable at 70V to 30, 15, 7.5, 3.7
or 1.8 watts, and at 25V to 15, 7.5, 3.7 or 1.8 watts.
The loudspeaker shall be of weatherproof all-metal
construction, with driver enclosed within a water-
proof housing.The loudspeaker shall include a self-
aligning, field replaceable diaphragm.
Screw terminals shall be provided for connection to
the audio line. A plastic cover shall be provided to
protect the connectors and impedance selector
switch, and to provide strain relief for the audio line.
An all-purpose mounting bracket shall provide pre-
cise positioning in the vertical and horizontal planes
with a single adjustment. The bracket shall include
banding slots to permit mounting the loudspeaker
on beams or pillars. Bracket and loudspeaker shall
be finished in textured mocha enamel.The unit shall
measure 9-5/8" dia. (each horn) x 12-1/8" D.
Shipping weight shall be 8 lb.
Architect &
Engineer
Specifications
50 Spring Street, Ramsey, NJ 07446
201-934-8500; Fax: [phone]; Web Site: www.bogen.com