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The TBA15 amplifier allows a paging system to be used for hands-free, two-way
conversation between a telephone system and remote speakers.The TBA15 uses the
systems™ speakers as microphones and feeds this signal out to a telephone line.When
the TBA15 senses an audio signal on the telephone line, it automatically switches
its 15W amplifier on and uses the speakers in the system conventionally. Control
of speech direction is maintained at the telephone handset. - 15-watt amplifier
- Hands-free 2-way conversations through the paging system
- 600-ohm
transformer-coupled telephone line input
- 25V or 70V balanced line outputs
- Adjustable sensitivity control for switching from listen to talk
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Adjustable switch-back delay prevents chopping of pages and provides smooth 2-way
conversations
- Talkback and page volume controls
- Talkback frequency
shaped for maximum intelligibility and background noise rejection
- Power
ON LED
- Mute input forces amplifier to go into page mode
- Control
of speech direction is maintained at the telephone handset
- Electronic
switching, no relays
- Resettable circuit breaker with thermal protection
- Operates from a 120V AC, 60 Hz source
- Finished in black enamel
- Wall or 19" rack mount
- FCC Part 68 approved
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