Bogen SP158A Prospecto

The Bogen SPT

15A and SP158A are compact, high

intelligibility, reentrant type loudspeakers, designed
for one-way or two-way sound and communication
systems.  Their sturdy, weatherproof, all-metal con-
struction is ideal for indoor and outdoor use in
industrial plants, warehouses, schools, construction
sites, transportation terminals, and recreational
areas. 

The Model SPT

15A has a built-in, rotary impedance

selector switch for matching the speaker power
requirements to a 25V or 70V constant-voltage line.
The model SP

158A has an 8-ohm impedance only.

• High intelligibility and efficiency; ideal for both

one-way and talk back applications

• Weatherproof, all-metal construction

•

15 watts; 25/70 volt (SPT15A) or 8-ohm
(SP

158A) operation

• Tap settings for 70V: 

15, 7.5, 3.8, 1.8, 0.9 watts; 

for 25V: 

15, 7.5, 1.8, 0.94, 0.46 watts

• Rotary tap impedance selector on SPT

15A

• Tilt and swivel base for easy positioning

• Screw terminals make installation fast and easy

• All-purpose mounting bracket

• Self-aligning, field replaceable diaphragm

• Mocha enamel finish

• Limited lifetime warranty

• Mountable to I-beam flange using Bogen’s BC

1

Beam Clamp (sold separately)

• Mountable to electrical box using Bogen’s

HSES

10 mounting strap (sold separately)

• Terminal Cover (TCSPT

1) allows connection of

conduit fittings to horn speakers (sold separately)

Specifications subject to change without notice.
© 

1995 Bogen Communications, Inc.

54-76

12-05D  0904