The Bogen SPT15A 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 SPT15A has a built-in, rotary impedance
selector switch for matching the speaker power
requirements to a 25V or 70V constant-voltage line.
The model SP158A 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
(SP158A) 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 SPT15A
• 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 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
Description
Reentrant Horn
Loudspeakers
Models SPT15A
and SP158A
Specifications subject to change without notice.
© 1995 Bogen Communications, Inc.
54-7612-05D 0904
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