Bogen SPT15A Horn Loudspeaker with Transformer 70V for Indoor/Outdoor

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 construction 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
• 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
• 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)
• Sound Pressure Level: 121 dB @ four feet on axis with 15 watt input @ 1000 Hz
• 15 watts; 25/70 volt (SPT15A) or 8-ohm (SP158A) operation