Bosch LBB1938/30
The Bosch LBB1938/30 is a powerful 480 W power amplifier in a 3U high 19”case for rack mounting or tabletop use.
LEDs on the front panel of the LBB1938/20 show the status of the amplifier: power, audio output level, and supervised functions.
This high performance unit fulfils a wide range of public address requirements at a surprisingly low cost.
Rack mounting brackets supplied.
- 480 watts
- Protected against overload and short circuits
- Temperature-controlled fan for high reliability at high output levels & low acoustic noise at lower output levels
- Overheat protection circuit with LED warning on the front panel
- Operates on mains power or 24 V battery for emergency backup, with automatic switchover
- Monitored mains presence, battery presence, pilot-tone presence, amplifier operation for Emergency / EVAC use
- Front panel status LEDs for supervised functions
- Two balanced inputs with priority control, each with loop‑through
- Additional 100 V line input
- Rear mounted gain / level controls
- 70V / 100V/ 8 ohm outputs
- Two separate priority controlled 100 V outputs for zones that only need announcements made via the priority input, and for zones that will not get any announcements made via the priority input.
