Bogen SP58A Manuel utilisateur

Reflex Horn

Loudspeakers

Models SPT5A

and SP58A

• High intelligibility and efficiency

• Passive loudspeaker

• Ideal for both one-way and two-way applications

• 7.5 watts

• 25/70V or 8-ohm operation

• Variable-tap impedance selector on SPT5A

• All-purpose mounting bracket for precise positioning, both vertically and horizontally

• Weatherproof, all-metal construction

• Textured mocha enamel finish

The Bogen SPT5A and SP58A are compact, reflex horn-type loudspeakers, designed for one-way or two-way

sound and communications systems.Their wide frequency response assures full-range background music repro-

duction, making these loudspeakers an excellent choice for multi-purpose applications, indoor or outdoor, for

use in industrial plants, warehouses, schools, construction sites, transportation terminals, and recreational areas.

The SPT5A has a built-in, variable impedance selector switch for matching the speaker power requirements to

a 25V or 70V constant-voltage line.The SP58A has an 8-ohm impedance.

The loudspeakers measure 6" in diameter and 4" deep. Connections are made through a 12" connecting cable.

Specifications subject to change without notice.

Part No. 54-7760-03R2 Printed in USA 0109

Description

Features

Technical Specifications

Power Rating (RMS): 7.5 watts continuous

Frequency Response: 250Hz to 14kHz

Impedance:

SPT5A — 25/70V

SP58A — 8 ohms

Sound Pressure Level: 105dB @ four feet on axis with 7.5 watt

input @ 1000Hz

Dispersion: 120º

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

Dimensions: 6" Dia. x 4" D

Weight:

SPT5A — 2 lbs.

SP58A — 1.25 lbs.

Finish: Textured mocha enamel

Impedance Selector Switch Settings: 25V @ 1, 0.62, 0.31watts

(SPT5A) 70V @ 7.5, 5, 2.5, 1.25, 0.65 watts

Sound Pressure Level in dB @ 1000Hz: Watts Feet on Axis

Input: 4 8 163264

7.5 — 105 99 93 87 81

5 — 103 97 9185 79

2.5 — 100 94 88 82 76

1.25 — 97 9185 79 73

.65 — 94 88 82 76 70

The loudspeaker shall be a Bogen Model ________

(specify SPT5A or SP58A), or approved equivalent,

reentrant type horn loudspeaker. The frequency

response shall be 250Hz to 14kHz. Rated power

output shall be 7.5 watts, RMS continuous.

Dispersion shall be 120º. Sound pressure level,

measured four feet on axis with 7.5-watt input @

1000Hz, shall be at least 105dB.

Use for SPT5A. The unit shall incorporate a five-

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 7.5, 5, 2.5, 1.25, or 0.65 watts, and at 25V to

1, 0.62, or 0.31watts.

Use for SP58A. The unit shall have an impedance

of 8 ohms.

The loudspeakers shall have a weatherproof, all-

metal housing. An all-purpose mounting bracket

shall provide precise positioning in the vertical and

horizontal planes. Bracket and loudspeaker shall be

finished in textured mocha enamel.The loudspeak-

ers shall measure 6" Dia. by 4" D. Weight shall

be ________ (insert 2 lbs. for SPT5A, 1.25 lbs.

for SP58A).

Architect

and Engineer

Specifications

50 Spring Street, Ramsey, NJ 07446, U.S.A.

201-934-8500 FAX: 201-934-9832; www.bogen.com

Ce manuel convient aux modèles suivants

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