Bogen BDT30A Specifications

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 max. at 70V operation or 15 watts max
at 25V operation

• Tap settings for 70V: 30, 15, 7.5, 3.7, 1.8 watts;
for 25V: 15, 7.5, 3.7, 1.8 watts

• 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

• Limited lifetime warranty

• Mountable to I-beam flange using Bogen’s BC1
Beam Clamp (sold separately)

• Mountable to electrical box using Bogen’s
HSES10 mounting strap (sold separately)

• Terminal Cover (TCSPT1) allows connection of
conduit fittings to horn speakers (sold separately)

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 recre­ational areas.

Speaker assembly required.

Description

Specifications subject to change without notice.
© 2006 Bogen Communications Inc.
54-7761-02E 0904

Power Rating (RMS): 30 watts continuous; 40 watts equalized

Frequency Response: 225 Hz to 14 kHz

Impedance: 25/70 volts

Sound Pressure Level: 121 dB @ four feet on axis with 30 watt

input @ 1000 Hz, each horn

Dispersion: 100º each horn

Sensitivity as Microphone: -22 dBm [Ref: 10 dynes/cm2]

Dimensions: 9-5/8" Diameter (each horn) x 12-1/8" D

Product Weight: 7 lb.

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 121115 109 103 97
15 118 11 2 106 100 94

7.5 115 109 103 97 91

3.7 112 106 100 94 88

1.8 109 103 97 91 85

Technical

Specifications

The loudspeaker shall be a Bogen Model BDT30A,
or approved equivalent, reentrant horn type loud­speaker. The frequency response shall be from
225 Hz to 14 kHz. 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 @ 1000 Hz, shall be at
least 121 dB for each horn.

The unit shall incorporate a seven-position weather­sealed 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 water­proof housing. The loudspeaker shall include a self­aligning, 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 pre­cise 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" diameter (each horn) x 12-1/8" D.
Product weight shall be 7 lb.

Architect &

Engineer

Specifications

50 Spring Street, Ramsey, NJ 07446, U.S.A.
201-934-8500, FAX: [phone], www.bogen.com