SP158A Bogen Communications, Inc., SP158A Datasheet - Page 2

• Manufacturer Part Number: SP158A
• Description: Horn; 275 Hz to 14 kHz; 15 W; -22; 9 in. Dia.x 9-1/4 in. D; Plastic; 4 lbs.
• Manufacturer: Bogen Communications, Inc.

Specifications of SP158A

• Application: For both one-way and talk back
• Dimensions: 9 in. Dia.x 9-1⁄4 in. D
• Finish: Textured Mocha Enamel
• Frequency Response: 275 Hz to 14 kHz
• Material, Cover: Plastic
• Power Rating: 15 W
• Primary Type: Horn
• Sensitivity: -22 dBm
• Sound Pressure Level: 121 dB @ 4 ft. on Axis with 15 W Input @ 1000 Hz
• Weight, Shipping: 4 lbs.
• Lead Free Status / Rohs Status: RoHS Compliant part

Specifications
Specifications
and Engineer
Architect
Technical
The loudspeaker shall be a Bogen Model ____ (spec-
ify SPT15A or SP158A), or approved equal, reentrant
type horn loudspeaker. The frequency response shall
be 275Hz to 14kHz. Rated power output shall be 15
watts, RMS continuous. Dispersion shall be 110º.
Sound pressure level, measured four feet on axis with
15 watt input @ 1000Hz, shall be at least 121dB.
Use for SPT15A. 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 0.9, 1.8, 3.8, 7.5, or 15 watts, and
at 25V to 0.48, 0.94, 1.8, 7.5, or 15 watts. Impedance
shall be adjustable to 5000, 2500, 1300, 666, 333, 89,
or 45 ohms.
Use for SP158A. The unit shall have an impedance
of 8 ohms.
Sound Pressure Level in dB @ 1000Hz: Watts
Impedance Selector Switch Settings: 25V @ 15, 7.5, 1.8, .94, .46 watts
Sensitivity as Microphone: -22dBm [Ref: 10 dynes/cm2]
Sound Pressure Level: 121dB @ four feet on axis with 15 watt input
Frequency Response: 275Hz to 14kHz
Power Rating (RMS): 15 watts continuous, 20 watts equalized
Shipping Weight:
Dimensions: 9" Diameter x 9-1/4"D
Impedance:
Dispersion: 110º
(SPT15A) 70V @ 15, 7.5, 3.8, 1.8, .9 watts
SPT15A — 25/70 volts
SP158A — 8 ohms
SPT15A — 4-1/2 lbs.
SP158A — 4 lbs.
Finish: Textured mocha enamel
@ 1000Hz
Input:
7.5 —
3.8 —
1.8 —
0.9 —
.48 —
15 —
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 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 fin-
ished in textured mocha enamel. The unit shall mea-
sure 9" diameter by 9-1/4"D. Shipping weight shall be
________ (insert 4-1/2 lbs. for SPT15A, 4 lbs. for
SP158A).
50 Spring Street, Ramsey, NJ 07446, U.S.A.
Tel. [phone]; FAX: [phone]; www.bogen.com
Feet on Axis
4
121
118
115
112
109
106
8
115
112
109
106
103
100
16
109
106
103
100
97
94
32
103
100
97
94
91
88
64
97
94
91
88
85
82