Bogen BDT30A Manuel utilisateur

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.

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: 201-934-9832; Web Site: www.bogen.com

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